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Page last updated
Wed 1 October 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

Search the database pages:

Bivalvia | Unionoida | Unionoidea

family UNIONIDAE Rafinesque, 1820: cladomics
     5 subfamilies, 32 genera

Cladomics pages are experimental — even more so than the rest of this site!

The purpose of the cladomics pages for each genus and family-group level taxon is to provide statistics and references indicating the extent to which published phylogenetic work supports the classification used here.

The Cladomics Summary provides an overview of the number of studies that have included terminal species representing this taxon as well as an indication of how frequently it has been recovered as monophyletic.

Following the summary, the available published clades representing the taxon are listed.

For more information, visit the Cladomics FARQ (frequently asked rhetorical questions) page. Abbreviations for the various statistics are explained on the FARQ!

Cladomics Summary

number of species = 792 (1054 total)
number of subtaxa (rank: subfamily) = 37
analyzed in 560 cladograms in 310 publications
maximum number of terminals in an analysis = 160 (mean = 21.04, median = 13)
maximum number of subtaxa (subfamily) = 4 (mean = 1.89, median = 2)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 538
maximum number of included terminals = 160, (mean = 21.86 median = 13)
maximum number of subtaxa (subfamily) = 4 (mean = 1.93, median = 2)
proportion of cladograms that support basic monophyly = 0.93

Rigorous Monophyly

number of cladograms that test rigorous monophyly = 193
(Rigorous monophyly refers to cladograms with terminal species representing more than one subtaxon (subfamily) taxon and at least one rigorous outgroup (family).
maximum number of included terminals = 160 (mean = 30.92, median = 20)
maximum number of subtaxa (subfamily) = 4 (mean = 2.9, median = 3)
proportion of cladograms that support rigorous monophyly = 0.85


Pairwise Cladogram Clustering

The graphs below depict in two dimensions all pair-wise ingroup distances within the cladome. See the Cladmoics FARQ for more information.


PCoA Ordination


NJ Tree


Hoeh et al., 2009 [Publ 2716], fig. 5

** Top Monophyly Cladogram **

iTtTbiriSoTroTroSiD
244539422210
  +----------------------- Parreysiinae **    
  |                                        
  |           +----------- Pseudodontini **   
  |  +--------+                            
--+  |        |  +-------- Contradentini **   
  |  |        +--+                         
  |  |           |  +----- Unioninae **       
  |  |           +--+                      
  +--+              |  +-- Gonideini **       
     |              +--+                   
     |                 +-- Ambleminae **      
     |                                     
     |  +----------------- Margaritiferidae
     +--+                                  
        |  +-------------- Hyriidae        
        +--+                               
           |  +----------- Pseudomulleria  
           +--+                            
              |  +-------- Mulleria        
              +--+                         
                 |  +----- Etheria         
                 +--+                      
                    |  +-- Mycetopodidae   
                    +--+                   
                       +-- Iridinidae      

Chen et al., 2025 [Publ 4455], fig. 1

** Top Sister-Group Cladogram **

iTtTbiriSoTroTroSiD
220224151--
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Gonideinae **      

Huang et al., 2019 [Publ 3843], fig. 2

iTtTbiriSoTroTroSiD
160160143439131182
  +----------------------- Margaritiferidae
  |                                        
--+  +-------------------- Parreysiinae **    
  |  |                                     
  +--+  +----------------- Unioninae **       
     |  |                                  
     +--+              +-- Rectidentini **    
        |  +-----------+                   
        |  |           +-- Contradentini **   
        +--+                               
           |  +----------- Ambleminae **      
           +--+                            
              |  +-------- Chamberlainiini ** 
              +--+                         
                 |  +----- Lamprotulini **    
                 +--+                      
                    |  +-- Gonideini **       
                    +--+                   
                       +-- Pseudodontini **   

Huang et al., 2019 [Publ 3843], fig. S4

iTtTbiriSoTroTroSiD
16016098439131178
  +----------------- Margaritiferidae  
  |                                    
  |  +-------------- Parreysiinae **      
  |  |                                 
  |  |  +----------- Chamberlainia **     
--+  |  |                              
  |  |  +----------- Megalonaias **       
  |  |  |                              
  |  |  +----------- Uniomerus **         
  |  |  |                              
  +--+  +----------- Quadrulina **        
     |  |                              
     |  +----------- Sinohyriopsis **     
     |  |                              
     |  +----------- Lamprotulini **      
     |  |                              
     |  +----------- Gonideini **         
     |  |                              
     |  +----------- Pseudodontini **     
     +--+                              
        +----------- Unioninae **         
        |                              
        |        +-- Rectidentini **      
        +--------+                     
        |        +-- Contradentini **     
        |                              
        |  +-------- Amblema **           
        |  |                           
        |  +-------- Toxolasma **         
        |  |                           
        |  +-------- Pleurobemini **      
        |  |                           
        |  |     +-- Obliquaria **        
        |  +-----+                     
        |  |     +-- Plectomerus **       
        +--+                           
           |  +----- Ellipsaria **        
           |  |                        
           |  +----- Potamilus_leptodon **
           |  |                        
           |  +----- Medionidus **        
           |  |                        
           |  +----- Potamilus_alatus **  
           |  |                        
           |  +----- Ptychobranchus **    
           +--+                        
              +----- Truncilla **         
              |                        
              +----- Venustaconcha **     
              |                        
              +----- Cambarunio **        
              |                        
              +----- Leaunio **           
              |                        
              |  +-- Ortmanniana **       
              +--+                     
                 +-- Lampsilis **         

Huang et al., 2019 [Publ 3843], fig. S3

iTtTbiriSoTroTroSiD
158158156439131175
  +----------------------- Margaritiferidae
  |                                        
--+  +-------------------- Parreysiinae **    
  |  |                                     
  +--+  +----------------- Pseudodontini **   
     |  |                                  
     +--+              +-- Rectidentini **    
        |  +-----------+                   
        |  |           +-- Contradentini **   
        +--+                               
           |  +----------- Unioninae **       
           +--+                            
              |  +-------- Chamberlainiini ** 
              +--+                         
                 |  +----- Ambleminae **      
                 +--+                      
                    |  +-- Lamprotulini **    
                    +--+                   
                       +-- Gonideini **       

Bolotov et al., 2017 [Publ 3764], fig. S1

iTtTbiriSoTroTroSiD
125125724000148
  +----------------- Parreysiinae **          
  |                                        
--+  +-------------- Pseudodontini **         
  |  |                                     
  |  |           +-- Rectidentini **          
  +--+  +--------+                         
     |  |        +-- Contradentini **         
     |  |                                  
     +--+  +-------- Unioninae **             
        |  |                               
        |  |  +----- Ambleminae **            
        |  |  |                            
        +--+  |  +-- Chamberlainia **         
           |  |  |                         
           |  |  +-- Sinohyriopsis **         
           |  |  |                         
           |  |  +-- Lamprotula_caveata **    
           +--+  |                         
              |  +-- Lamprotula_leaii **      
              |  |                         
              |  +-- Potomida **              
              |  |                         
              |  +-- Pronodularia **          
              |  |                         
              +--+-- Gonidea **               
                 |                         
                 +-- Leguminaia_wheatleyi **  
                 |                         
                 +-- Leguminaia **            
                 |                         
                 +-- Microcondylaea **        
                 |                         
                 +-- Sinosolenaia_carinata ** 
                 |                         
                 +-- Sinosolenaia_oleivora ** 
                 |                         
                 +-- Sinosolenaia_recognita **

Bolotov et al., 2017 [Publ 3761], fig. S2

iTtTbiriSoTroTroSiD
114137123425101152.5
                       +-- Chamberlainia **   
  +--------------------+                   
  |                    +-- Margaritiferidae
  |                                        
  |              +-------- Hyriidae        
  +--------------+                         
  |              |  +----- Iridinidae      
--+              +--+                      
  |                 |  +-- Mycetopodidae   
  |                 +--+                   
  |                    +-- Etheriidae      
  |                                        
  |  +-------------------- Parreysiinae **    
  |  |                                     
  +--+  +----------------- Unioninae **       
     |  |                                  
     +--+              +-- Contradentini **   
        |  +-----------+                   
        |  |           +-- Rectidentini **    
        +--+                               
           |  +----------- Ambleminae **      
           +--+                            
              |  +-------- Pseudodontini **   
              +--+                         
                 |  +----- Gonideini **       
                 +--+                      
                    |  +-- Sinohyriopsis **   
                    +--+                   
                       +-- Lamprotulini **    

Bolotov et al., 2017 [Publ 3761], fig. S1

iTtTbiriSoTroTroSiD
114114114425101135
  +-------------------- Parreysiinae **   
  |                                    
--+                 +-- Rectidentini **   
  |  +--------------+                  
  |  |              +-- Contradentini **  
  +--+                                 
     |  +-------------- Pseudodontini **  
     +--+                              
        |  +----------- Unioninae **      
        +--+                           
           |  +-------- Ambleminae **     
           +--+                        
              |  +----- Gonideini **      
              +--+                     
                 |  +-- Chamberlainiini **
                 +--+                  
                    +-- Lamprotulini **   

Bolotov et al., 2020 [Publ 4100], fig. 1

iTtTbiriSoTroTroSiD
113113982551152
  +----- Margaritiferidae
--+                      
  |  +-- Parreysiinae **    
  +--+                   
     +-- Gonideinae **      

Bolotov et al., 2020 [Publ 4100], fig. S1

iTtTbiriSoTroTroSiD
1121121002000151
  +-- Parreysiinae **
--+               
  +-- Gonideinae **  

Lopes-Lima et al., 2020 [Publ 4080], fig. 2-4

iTtTbiriSoTroTroSiD
1101109241121140
  +----------------- Parreysiinae **   
  |                                 
  |  +-------------- Unioninae **      
--+  |                              
  |  |           +-- Lens **           
  |  |           |                  
  |  |           +-- Ensidens **       
  +--+           |                  
     |  +--------+-- Physunio **       
     |  |        |                  
     |  |        +-- Rectidens **      
     |  |        |                  
     +--+        +-- Yaukthwa **       
        |                           
        |  +-------- Ambleminae **     
        |  |                        
        +--+     +-- Chamberlainiini **
           |  +--+                  
           |  |  +-- Lamprotulini **   
           +--+                     
              |  +-- Pseudodontini **  
              +--+                  
                 +-- Gonideini **      

Inoue et al., 2018 [Publ 3858], fig. 1_3a-c

iTtTbiriSoTroTroSiD
103103623111202
  +-------- Margaritiferidae
--+                         
  |  +----- Unioninae **       
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Ambleminae **      

Campbell et al., 2005 [Publ 2660], fig. 1

iTtTbiriSoTroTroSiD
1001001013221131
  +----------- Margaritiferidae
  |                            
--+  +-------- Chamberlainiini ** 
  |  |                         
  +--+-------- Unioninae **       
     |                         
     |  +----- Ambleminae **      
     +--+                      
        |  +-- Gonideini **       
        +--+                   
           +-- Lamprotulini **    

Campbell et al., 2005 [Publ 2660], fig. 2

iTtTbiriSoTroTroSiD
100100903221128
  +----------- Margaritiferidae
  |                            
--+        +-- Chamberlainiini ** 
  |  +-----+                   
  |  |     +-- Unioninae **       
  +--+                         
     |  +----- Ambleminae **      
     +--+                      
        |  +-- Gonideini **       
        +--+                   
           +-- Lamprotulini **    

Wu et al., 2024 [Publ 4350], fig. 8a_S1

iTtTbiriSoTroTroSiD
8585824621120
  +----------- Margaritiferidae
--+                            
  |  +-------- Ambleminae **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Parreysiinae **    
        +--+                   
           +-- Unioninae **       

Wu et al., 2024 [Publ 4350], fig. 8b_S2

iTtTbiriSoTroTroSiD
8585814621120
  +----------- Margaritiferidae
--+                            
  |  +-------- Ambleminae **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Parreysiinae **    
        +--+                   
           +-- Unioninae **       

Wu et al., 2023 [Publ 4339], fig. 4_S5-nt

iTtTbiriSoTroTroSiD
84848041171119
  +----------- Margaritiferidae
--+                            
  |  +-------- Ambleminae **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Parreysiinae **    
        +--+                   
           +-- Unioninae **       

Wu et al., 2023 [Publ 4339], fig. 4_S5-aa

iTtTbiriSoTroTroSiD
84848241171119
  +----------- Margaritiferidae
--+                            
  |  +-------- Ambleminae **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Parreysiinae **    
        +--+                   
           +-- Unioninae **       

Bolotov et al., 2018 [Publ 3826], fig. 2

iTtTbiriSoTroTroSiD
8383504000106
  +-------------- Parreysiinae **  
  |                             
  |  +----------- Pseudodontini ** 
--+  |                          
  |  |        +-- Rectidentini **  
  |  |  +-----+                 
  +--+  |     +-- Contradentini ** 
     |  |                       
     |  |  +----- Unioninae **     
     |  |  |                    
     +--+  |  +-- Lamprotula **    
        |  |  |                 
        |  |  +-- Potomida **      
        |  |  |                 
        |  |  +-- Pronodularia **  
        +--+  |                 
           |  +-- Gonidea **       
           |  |                 
           |  +-- Leguminaia **    
           |  |                 
           |  +-- Microcondylaea **
           |  |                 
           +--+-- Amblemini **     
              |                 
              +-- Ortmanniana **   
              |                 
              +-- Lampsilis **     
              |                 
              +-- Cambarunio **    
              |                 
              +-- Elliptio **      
              |                 
              +-- Pleurobema **    
              |                 
              +-- Quadrulini **    

Konopleva et al., 2023 [Publ 4262], fig. 8

iTtTbiriSoTroTroSiD
8282802000120
  +-- Parreysiinae **
--+               
  +-- Gonideinae **  

Dai et al., 2025 [Publ 4440], fig. 3

iTtTbiriSoTroTroSiD
7979773961114
  +-------------------------------- Margaritiferidae
  |                                                 
  |  +----------------------------- Ambleminae **      
--+  |                                              
  |  |              +-------------- Chamberlainiini ** 
  |  |              |                               
  |  |  +-----------+           +-- Contradentini **   
  +--+  |           |  +--------+                   
     |  |           |  |        +-- Rectidentini **    
     |  |           +--+                            
     |  |              |  +-------- Lamprotulini **    
     |  |              +--+                         
     |  |                 |  +----- Pseudodontini **   
     +--+                 +--+                      
        |                    |  +-- Inversiunio **     
        |                    +--+                   
        |                       +-- Gonideini **       
        |                                           
        |  +----------------------- Lepidodesmini **   
        |  |                                        
        |  |                 +----- Anodontini **      
        +--+  +--------------+                      
           |  |              |  +-- Acuticostini **    
           |  |              +--+                   
           +--+                 +-- Lanceolariini **   
              |                                     
              |  +----------------- Globunio **        
              |  |                                  
              +--+  +-------------- Aculamprotula **   
                 |  |                               
                 +--+  +----------- Unio **            
                    |  |                            
                    +--+        +-- Nodularia **       
                       |  +-----+                   
                       |  |     +-- Pseudocuneopsis ** 
                       +--+                         
                          |  +----- Schistodesmus **   
                          +--+                      
                             |  +-- Tchangsinaia **    
                             +--+                   
                                +-- Cuneopsis **       

Chen et al., 2025 [Publ 4448], fig. 3

iTtTbiriSoTroTroSiD
7676743961111
  +----- Ambleminae **
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Unioninae ** 

Wu et al., 2021 [Publ 4366], fig. 6

iTtTbiriSoTroTroSiD
74747241771106
  +----------------------- Margaritiferidae
  |                                        
--+  +-------------------- Parreysiinae **    
  |  |                                     
  +--+  +----------------- Unioninae **       
     |  |                                  
     +--+              +-- Contradentini **   
        |  +-----------+                   
        |  |           +-- Rectidentini **    
        +--+                               
           |  +----------- Ambleminae **      
           +--+                            
              |  +-------- Chamberlainiini ** 
              +--+                         
                 |  +----- Lamprotulini **    
                 +--+                      
                    |  +-- Pseudodontini **   
                    +--+                   
                       +-- Gonideini **       

Wu et al., 2021 [Publ 4366], fig. 2_I

iTtTbiriSoTroTroSiD
74747241771106
  +----------------------- Margaritiferidae
  |                                        
--+  +-------------------- Parreysiinae **    
  |  |                                     
  +--+  +----------------- Unioninae **       
     |  |                                  
     +--+              +-- Rectidentini **    
        |  +-----------+                   
        |  |           +-- Contradentini **   
        +--+                               
           |  +----------- Ambleminae **      
           +--+                            
              |  +-------- Chamberlainiini ** 
              +--+                         
                 |  +----- Lamprotulini **    
                 +--+                      
                    |  +-- Pseudodontini **   
                    +--+                   
                       +-- Gonideini **       

Hou et al., 2024 [Publ 4400], fig. 4

iTtTbiriSoTroTroSiD
7474722221111
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Unioninae **       

Campbell & Lydeard, 2012 [Publ 3309], fig. 3

iTtTbiriSoTroTroSiD
7373671000108
1

Campbell & Lydeard, 2012 [Publ 3309], fig. 1-2

iTtTbiriSoTroTroSiD
7373631000110
1

Lopes-Lima et al., 2017 [Publ 3745], fig. 1-2

iTtTbiriSoTroTroSiD
6869634122195
  +-------------------------- Parreysiinae **   
  |                                          
  |  +----------------------- Unioninae **      
--+  |                                       
  |  |              +-------- Rectidentini **   
  |  |  +-----------+                        
  +--+  |           |  +----- Lens **           
     |  |           +--+                     
     |  |              |  +-- Physunio **       
     |  |              +--+                  
     +--+                 +-- unionoid       
        |                                    
        |  +----------------- Ambleminae **     
        |  |                                 
        |  |              +-- Chamberlainiini **
        +--+  +-----------+                  
           |  |           +-- Lamprotulini **   
           |  |                              
           +--+           +-- Parvasolenaia **  
              |  +--------+                  
              |  |        +-- Pseudodontini **  
              +--+                           
                 |  +-------- Sinosolenaia **   
                 +--+                        
                    |  +----- Gonidea **        
                    +--+                     
                       |  +-- Microcondylaea ** 
                       +--+                  
                          +-- Leguminaia **     

Jeratthitikul et al., 2022 [Publ 4260], fig. S1_1

iTtTbiriSoTroTroSiD
66666331010188
  +----------------- Margaritiferidae
  |                                  
--+  +-------------- Pseudodontini **   
  |  |                               
  +--+           +-- Contradentini **   
     |  +--------+                   
     |  |        +-- Rectidentini **    
     +--+                            
        |  +-------- Gonideini **       
        |  |                         
        +--+     +-- Chamberlainiini ** 
           |  +--+                   
           |  |  +-- Lamprotulini **    
           +--+                      
              |  +-- Ambleminae **      
              +--+                   
                 +-- Unioninae **       

Jeratthitikul et al., 2022 [Publ 4260], fig. S2_2

iTtTbiriSoTroTroSiD
66666431010186
  +----------------- Margaritiferidae
  |                                  
--+  +-------------- Pseudodontini **   
  |  |                               
  +--+           +-- Rectidentini **    
     |  +--------+                   
     |  |        +-- Contradentini **   
     +--+                            
        |  +-------- Gonideini **       
        |  |                         
        +--+     +-- Chamberlainiini ** 
           |  +--+                   
           |  |  +-- Lamprotulini **    
           +--+                      
              |  +-- Ambleminae **      
              +--+                   
                 +-- Unioninae **       

Wu et al., 2022 [Publ 4238], fig. 3

iTtTbiriSoTroTroSiD
646462396199
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Bolotov et al., 2024 [Publ 4369], fig. S1

iTtTbiriSoTroTroSiD
6363612000105
  +-- Gonideinae **  
--+               
  +-- Parreysiinae **

Wu et al., 2021 [Publ 4366], fig. 3-ML

iTtTbiriSoTroTroSiD
6262603117196
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Wu et al., 2021 [Publ 4366], fig. 3-BI

iTtTbiriSoTroTroSiD
6262603117196
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Bolotov et al., 2024 [Publ 4369], fig. 2

iTtTbiriSoTroTroSiD
6262601000105
1

Bolotov et al., 2022 [Publ 4252], fig. S1

iTtTbiriSoTroTroSiD
6161492000103
  +-- Gonideinae **  
--+               
  +-- Parreysiinae **

Bolotov et al., 2022 [Publ 4252], fig. 2

iTtTbiriSoTroTroSiD
6161552000103
  +-- Gonideinae **  
--+               
  +-- Parreysiinae **

Jeratthitikul et al., 2024 [Publ 4387], fig. 1

iTtTbiriSoTroTroSiD
585859100099
1

Bolotov et al., 2022 [Publ 4239], fig. S1

iTtTbiriSoTroTroSiD
5858522000100
  +-- Gonideinae **  
--+               
  +-- Parreysiinae **

Bolotov et al., 2022 [Publ 4239], fig. S2

iTtTbiriSoTroTroSiD
5858542000100
  +-- Gonideinae **  
--+               
  +-- Parreysiinae **

Bolotov et al., 2022 [Publ 4239], fig. 2

iTtTbiriSoTroTroSiD
5858542000100
  +-- Gonideinae **  
--+               
  +-- Parreysiinae **

Wu et al., 2021 [Publ 4366], fig. 4

iTtTbiriSoTroTroSiD
5757553117191
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Zanatta & Murphy, 2006 [Publ 2672], fig. 2

iTtTbiriSoTroTroSiD
565748211186
  +-- Unioninae **       
  |                   
--+-- Margaritiferidae
  |                   
  +-- Ambleminae **      

Konopleva et al., 2023 [Publ 4269], fig. S1_4

iTtTbiriSoTroTroSiD
555553411191
  +----------- Margaritiferidae
--+                            
  |  +-------- Parreysiinae **    
  +--+                         
     |  +----- Unioninae **       
     +--+                      
        |  +-- Ambleminae **      
        +--+                   
           +-- Gonideinae **      

Zanatta & Murphy, 2006 [Publ 2672], fig. 1

iTtTbiriSoTroTroSiD
555550211184
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Wu et al., 2024 [Publ 4388], fig. 6

iTtTbiriSoTroTroSiD
525250422191
  +----------- Margaritiferidae
--+                            
  |  +-------- Ambleminae **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Parreysiinae **    
        +--+                   
           +-- Unioninae **       

Wu et al., 2024 [Publ 4379], fig. 5

iTtTbiriSoTroTroSiD
515150122191
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Dai et al., 2023 [Publ 4285], fig. 5

iTtTbiriSoTroTroSiD
515149322187
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Unioninae **       
     +--+                   
        +-- Gonideinae **      

Wu et al., 2018 [Publ 3836], fig. 2

iTtTbiriSoTroTroSiD
515143322185
  +----------- Margaritiferidae
  |                            
  |  +-------- Quadrulini **      
--+  |                         
  |  +-------- Pleurobemini **    
  |  |                         
  |  |     +-- Amblemini **       
  +--+-----+                   
     |     +-- Lampsilini **      
     |                         
     |     +-- Lamprotulini **    
     |  +--+                   
     |  |  +-- Gonideini **       
     +--+                      
        |  +-- Chamberlainiini ** 
        +--+                   
           +-- Unioninae **       

Pfeiffer et al., 2019 [Publ 3937], fig. 6

iTtTbiriSoTroTroSiD
505047472185
  +----- Ambleminae **  
  |                  
--+----- Gonideinae **  
  |                  
  |  +-- Unioninae **   
  +--+               
     +-- Parreysiinae **

Dai et al., 2024 [Publ 4358], fig. 4

iTtTbiriSoTroTroSiD
505048322186
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Fukata & Iigo, 2020 [Publ 4106], fig. 1

iTtTbiriSoTroTroSiD
505048333185
  +-------- Margaritiferidae
--+                         
  |  +----- Unioninae **       
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Gonideinae **      

Jeratthitikul et al., 2025 [Publ 4423], fig. 1

iTtTbiriSoTroTroSiD
505049100090
1

Pfeiffer et al., 2019 [Publ 3937], fig. 4-5

iTtTbiriSoTroTroSiD
505048472188
  +----------- Margaritiferidae
--+                            
  |  +-------- Ambleminae **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Unioninae **       
        +--+                   
           +-- Parreysiinae **    

Konopleva et al., 2019 [Publ 3900], fig. 1

iTtTbiriSoTroTroSiD
505039222190
  +----------- Margaritiferidae
--+                            
  |  +-------- Pseudodontini **   
  +--+                         
     |  +----- Parreysiinae **    
     +--+                      
        |  +-- Rectidentini **    
        +--+                   
           +-- Contradentini **   

Bolotov et al., 2022 [Publ 4250], fig. 8

iTtTbiriSoTroTroSiD
474942222194
     +----- Parreysiinae **    
  +--+                      
  |  |  +-- Pseudodontini **   
  |  +--+                   
  |     +-- Contradentini **   
  |                         
--+     +-- Gibbosulinae    
  |     |                   
  |     +-- Margaritiferinae
  |     |                   
  |     +-- Sinosolenaia **    
  |     |                   
  +-----+-- Leguminaia **      
        |                   
        +-- Gonidea **         
        |                   
        +-- Lamprotula **      
        |                   
        +-- Potomida **        

Dai et al., 2025 [Publ 4441], fig. 1

iTtTbiriSoTroTroSiD
464644222186
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Gonideinae **      

Huang et al., 2019 [Publ 3843], fig. 3

iTtTbiriSoTroTroSiD
4646443106180
  +-------- Margaritiferidae
--+                         
  |  +----- Unioninae **       
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Ambleminae **      

Zieritz et al., 2021 [Publ 4231], fig. 3-F_5

iTtTbiriSoTroTroSiD
454543333182
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Sano et al., 2020 [Publ 4138], fig. 3

iTtTbiriSoTroTroSiD
45454842312183
  +----------------- Margaritiferidae
--+                                  
  |  +-------------- Parreysiinae **    
  +--+                               
     |  +----------- Unioninae **       
     +--+                            
        |  +-------- Chamberlainiini ** 
        +--+                         
           |  +----- Ambleminae **      
           +--+                      
              |  +-- Lamprotulini **    
              +--+                   
                 +-- Gonideini **       

Sano et al., 2020 [Publ 4138], fig. 4

iTtTbiriSoTroTroSiD
45454842312183
  +----------- Margaritiferidae
--+                            
  |  +-------- Parreysiinae **    
  +--+                         
     |  +----- Unioninae **       
     +--+                      
        |  +-- Ambleminae **      
        +--+                   
           +-- Gonideinae **      

Sano et al., 2020 [Publ 4138], fig. 2

iTtTbiriSoTroTroSiD
45454742312182
  +----------- Margaritiferidae
--+                            
  |  +-------- Parreysiinae **    
  +--+                         
     |  +----- Unioninae **       
     +--+                      
        |  +-- Ambleminae **      
        +--+                   
           +-- Gonideinae **      

Dai et al., 2024 [Publ 4389], fig. 3

iTtTbiriSoTroTroSiD
454543222185
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Gonideinae **      

Zieritz et al., 2024 [Publ 4381], fig. 2

iTtTbiriSoTroTroSiD
444442422182
  +-------------------- Margaritiferidae
  |                                     
  |  +----------------- Ambleminae **      
--+  |                                  
  |  |        +-------- Parreysiinae **    
  |  |  +-----+                         
  +--+  |     |  +----- Unioninae **       
     |  |     +--+                      
     |  |        |  +-- Chamberlainiini ** 
     |  |        +--+                   
     |  |           +-- Discomya **        
     +--+                               
        |        +----- Ctenodesmini **    
        |  +-----+                      
        |  |     |  +-- Rectidentini **    
        |  |     +--+                   
        |  |        +-- Contradentini **   
        +--+                            
           |        +-- Schepmaniini **    
           |  +-----+                   
           |  |     +-- Pseudodontini **   
           +--+                         
              |  +----- Caudiculatus **    
              +--+                      
                 |  +-- Potomida **        
                 +--+                   
                    +-- Gonideini **       

Konopleva et al., 2025 [Publ 4446], fig. 4

iTtTbiriSoTroTroSiD
444443100086
1

Huang et al., 2019 [Publ 3843], fig. S1

iTtTbiriSoTroTroSiD
434351222193
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Dai et al., 2023 [Publ 4285], fig. 3-ML

iTtTbiriSoTroTroSiD
434341122181
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Dai et al., 2025 [Publ 4440], fig. 2

iTtTbiriSoTroTroSiD
434336422178
  +-------- Margaritiferidae
  |                         
--+     +-- Gonideinae **      
  |  +--+                   
  |  |  +-- Ambleminae **      
  +--+                      
     |  +-- Parreysiinae **    
     +--+                   
        +-- Unioninae **       

Dai et al., 2023 [Publ 4285], fig. 3-BI

iTtTbiriSoTroTroSiD
434339122181
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Campbell & Lydeard, 2012 [Publ 3308], fig. 3

iTtTbiriSoTroTroSiD
434342100079
1

Dai et al., 2025 [Publ 4440], fig. 1

iTtTbiriSoTroTroSiD
434336422180
  +-------------------------- Margaritiferidae
  |                                           
--+  +----------------------- Gonideinae **      
  |  |                                        
  +--+  +-------------------- Ambleminae **      
     |  |                                     
     |  |  +----------------- Parreysiinae **    
     +--+  |                                  
        |  |              +-- Anemina **         
        |  +--------------+                   
        |  |              +-- Amuranodonta **    
        +--+                                  
           |           +----- Pletholophus **    
           |  +--------+                      
           |  |        |  +-- Sinanodonta **     
           |  |        +--+                   
           |  |           +-- Beringiana **      
           +--+                               
              |  +----------- Cristaria **       
              |  |                            
              |  |        +-- Alasmidontina **   
              +--+--------+                   
                 |        +-- Anodontina **      
                 |                            
                 |  +-------- Lanceolariini **   
                 +--+                         
                    |  +----- Lepidodesmini **   
                    +--+                      
                       |  +-- Acuticostini **    
                       +--+                   
                          +-- Unionini **        

Campbell & Lydeard, 2012 [Publ 3308], fig. 4

iTtTbiriSoTroTroSiD
424240100077
1

Inoue et al., 2020 [Publ 3941], fig. 3

iTtTbiriSoTroTroSiD
424242200074
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Campbell & Lydeard, 2012 [Publ 3308], fig. 2

iTtTbiriSoTroTroSiD
424236100077
1

Campbell & Lydeard, 2012 [Publ 3308], fig. 1

iTtTbiriSoTroTroSiD
424241100079
1

Bolotov et al., 2023 [Publ 4312], fig. S2

iTtTbiriSoTroTroSiD
414139100082
1

Smith et al., 2019 [Publ 3951], fig. 2

iTtTbiriSoTroTroSiD
414140100077
1

Inoue et al., 2020 [Publ 3941], fig. 4

iTtTbiriSoTroTroSiD
414141200073
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Froufe et al., 2019 [Publ 3936], fig. 3

iTtTbiriSoTroTroSiD
414139333178
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Whelan et al., 2023 [Publ 4287], fig. 2

iTtTbiriSoTroTroSiD
414142100083
1

Wu et al., 2020 [Publ 4121], fig. 3

iTtTbiriSoTroTroSiD
414139384180
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Froufe et al., 2019 [Publ 3936], fig. 6

iTtTbiriSoTroTroSiD
414139333178
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Huang et al., 2019 [Publ 3843], fig. 1

iTtTbiriSoTroTroSiD
414140222183
  +-------- Margaritiferidae
  |                         
--+     +-- Lamprotulini **    
  |  +--+                   
  |  |  +-- Gonideini **       
  +--+                      
     |  +-- Chamberlainiini ** 
     +--+                   
        +-- Unioninae **       

Burlakova et al., 2012 [Publ 3486], fig. 1

iTtTbiriSoTroTroSiD
414142100081
1

Dai et al., 2024 [Publ 4386], fig. 6

iTtTbiriSoTroTroSiD
404039300079
  +----- Ambleminae **
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Unioninae ** 

Wu et al., 2019 [Publ 3864], fig. 3

iTtTbiriSoTroTroSiD
404038364179
  +----- Ambleminae **
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Unioninae ** 

Bolotov et al., 2023 [Publ 4312], fig. 2

iTtTbiriSoTroTroSiD
393938100081
1

Bolotov et al., 2023 [Publ 4312], fig. S1

iTtTbiriSoTroTroSiD
393937100080
1

Chen et al., 2023 [Publ 4302], fig. 1

iTtTbiriSoTroTroSiD
383829422173
  +-------- Margaritiferidae
  |                         
--+     +-- Gonideinae **      
  |  +--+                   
  |  |  +-- Ambleminae **      
  +--+                      
     |  +-- Parreysiinae **    
     +--+                   
        +-- Unioninae **       

Pfeiffer et al., 2016 [Publ 3660], fig. 2

iTtTbiriSoTroTroSiD
383834200073
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Chen et al., 2023 [Publ 4302], fig. 2

iTtTbiriSoTroTroSiD
383834422173
  +-------- Margaritiferidae
  |                         
--+     +-- Gonideinae **      
  |  +--+                   
  |  |  +-- Ambleminae **      
  +--+                      
     |  +-- Parreysiinae **    
     +--+                   
        +-- Unioninae **       

Boyer et al., 2011 [Publ 2718], fig. 4

iTtTbiriSoTroTroSiD
383833200064
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Wu et al., 2022 [Publ 4238], fig. 2d

iTtTbiriSoTroTroSiD
383836100079
1

Aunins et al., 2018 [Publ 3863], fig. 1

iTtTbiriSoTroTroSiD
373735333175
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Ortiz-Sepulveda et al., 2020 [Publ 4101], fig. 2

iTtTbiriSoTroTroSiD
363620100079
1

Perkins et al., 2017 [Publ 3777], fig. 2

iTtTbiriSoTroTroSiD
363634100076
1

Wu et al., 2024 [Publ 4388], fig. 5

iTtTbiriSoTroTroSiD
363634122175
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Jeratthitikul et al., 2021 [Publ 4219], fig. 2

iTtTbiriSoTroTroSiD
363634100075
1

Pavan-Kumar et al., 2022 [Publ 4263], fig. S5

iTtTbiriSoTroTroSiD
363634422174
  +-------- Margaritiferidae
  |                         
--+     +-- Parreysiinae **    
  |  +--+                   
  |  |  +-- Unioninae **       
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Gonideinae **      

Ortiz-Sepulveda et al., 2020 [Publ 4101], fig. 1

iTtTbiriSoTroTroSiD
363622100079
1

Burlakova et al., 2012 [Publ 3486], fig. 3

iTtTbiriSoTroTroSiD
363626100075
1

Jeratthitikul et al., 2021 [Publ 4219], fig. 1

iTtTbiriSoTroTroSiD
363633100075
1

Perkins et al., 2025 [Publ 4447], fig. 2_mtDNA-ITS

iTtTbiriSoTroTroSiD
363637100074
1

Boyer et al., 2011 [Publ 2718], fig. 3

iTtTbiriSoTroTroSiD
353526200058
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Wu et al., 2025 [Publ 4442], fig. 2

iTtTbiriSoTroTroSiD
353533100078
1

Liu et al., 2024 [Publ 4380], fig. 5

iTtTbiriSoTroTroSiD
353533122172
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Wu et al., 2024 [Publ 4350], fig. 5c

iTtTbiriSoTroTroSiD
353523122172
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Wu et al., 2024 [Publ 4350], fig. 6-7

iTtTbiriSoTroTroSiD
353533122174
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Wu et al., 2024 [Publ 4350], fig. 5a

iTtTbiriSoTroTroSiD
353533122174
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Cha et al., 2018 [Publ 3916], fig. 1

iTtTbiriSoTroTroSiD
353533333174
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Burlakova et al., 2012 [Publ 3486], fig. 2

iTtTbiriSoTroTroSiD
353530100076
1

Wu et al., 2024 [Publ 4350], fig. 5b

iTtTbiriSoTroTroSiD
353533122172
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Konopleva et al., 2019 [Publ 4041], fig. 3

iTtTbiriSoTroTroSiD
343421100076
1

Pavan-Kumar et al., 2022 [Publ 4263], fig. 4

iTtTbiriSoTroTroSiD
343432422172
  +----------- Margaritiferidae
--+                            
  |  +-------- Ambleminae **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Parreysiinae **    
        +--+                   
           +-- Unioninae **       

Burlakova et al., 2019 [Publ 3899], fig. 1

iTtTbiriSoTroTroSiD
333321100072
1

Chase et al., 2018 [Publ 3847], fig. 4

iTtTbiriSoTroTroSiD
333433254172
  +-------------- Margaritiferidae
  |                               
--+  +----------- Unioninae **       
  |  |                            
  +--+  +-------- Lampsilini **      
     |  |                         
     +--+     +-- Hyriidae        
        |  +--+                   
        |  |  +-- Amblemini **       
        +--+                      
           |  +-- Pleurobemini **    
           +--+                   
              +-- Quadrulini **      

Chen et al., 2020 [Publ 4170], fig. 1

iTtTbiriSoTroTroSiD
333432311176
                       +----- Prolasmidonta **           
                    +--+                              
                    |  |  +-- Alasmidonta **             
                    |  +--+                           
  +-----------------+     +-- Anemina **                 
  |                 |                                 
  |                 |  +----- Pseudodontini **           
  |                 +--+                              
  |                    |  +-- Lamprotula_caveata **      
  |                    +--+                           
  |                       +-- Chamberlainia **           
  |                                                   
  |                    +----- Schistodesmus **           
  |              +-----+                              
  |              |     |  +-- Lepidodesmini **           
--+              |     +--+                           
  |              |        +-- Aculamprotula **           
  |  +-----------+                                    
  |  |           |     +----- Platynaias **              
  |  |           |  +--+                              
  |  |           |  |  |  +-- Utterbackia_imbecillis **  
  |  |           |  |  +--+                           
  |  |           +--+     +-- Pyganodon **               
  |  |              |                                 
  |  |              |  +----- Sinanodonta **             
  |  |              +--+                              
  |  |                 |  +-- Cristaria **               
  +--+                 +--+                           
     |                    +-- Anodontina **              
     |                                                
     |                    +-- Utterbackia_peninsularis **
     |              +-----+                           
     |              |     +-- Potamilus_alatus **        
     |  +-----------+                                 
     |  |           |  +----- Lamprotula_leaii **        
     |  |           +--+                              
     |  |              |  +-- Sinohyriopsis **           
     +--+              +--+                           
        |                 +-- Gonideini **               
        |                                             
        |  +----------------- Margaritiferidae        
        +--+                                          
           |  +-------------- Quadrulini **              
           +--+                                       
              |  +----------- Toxolasma **               
              +--+                                    
                 |  +-------- Lampsilis_ornata **        
                 +--+                                 
                    |  +----- Potamilus_leptodon **      
                    +--+                              
                       |  +-- Lampsilis_siliquoidea **   
                       +--+                           
                          +-- Lampsilis_powellii **      

Breton et al., 2011 [Publ 3376], fig. 3

iTtTbiriSoTroTroSiD
323231354167
  +----------------- Margaritiferidae
  |                                  
--+  +-------------- Quadrulina **      
  |  |                               
  |  |        +----- Lamprotulini **    
  +--+  +-----+                      
     |  |     |  +-- Chamberlainiini ** 
     |  |     +--+                   
     +--+        +-- Unioninae **       
        |                            
        |  +-------- Megalonaias **     
        +--+                         
           |  +----- Pleurobemini **    
           +--+                      
              |  +-- Amblemini **       
              +--+                   
                 +-- Lampsilini **      

Bolotov et al., 2020 [Publ 4084], fig. 1

iTtTbiriSoTroTroSiD
323622344169
  +----- Margaritiferidae
  |                      
--+----- Ambleminae **      
  |                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Huang et al., 2002 [Publ 2657], fig. 2

iTtTbiriSoTroTroSiD
323214322171
  +-------- Cumberlandia   
  |                        
  +-------- Margaritifera  
--+                        
  |  +----- Unioninae **      
  |  |                     
  |  |  +-- Ptychorhynchus ** 
  +--+  |                  
     |  +-- Chamberlainiini **
     |  |                  
     +--+-- Lamprotulini **   
        |                  
        +-- Sinosolenaia **   
        |                  
        +-- Ambleminae **     

Huang et al., 2002 [Publ 2657], fig. 1

iTtTbiriSoTroTroSiD
323230322171
  +----------------- Cumberlandia   
  |                                 
--+----------------- Margaritifera  
  |                                 
  |  +-------------- Unioninae **      
  +--+                              
     |  +----------- Sinosolenaia **   
     +--+                           
        |  +-------- Lamprotulini **   
        +--+                        
           |  +----- Chamberlainiini **
           +--+                     
              |  +-- Ptychorhynchus ** 
              +--+                  
                 +-- Ambleminae **     

Huang et al., 2018 [Publ 3828], fig. 6

iTtTbiriSoTroTroSiD
3232303106169
  +-------- Margaritiferidae
--+                         
  |  +----- Unioninae **       
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Gonideinae **      

Zieritz et al., 2020 [Publ 4102], fig. 4

iTtTbiriSoTroTroSiD
313127100073
1

Lyubas et al., 2022 [Publ 4255], fig. S1

iTtTbiriSoTroTroSiD
313122300069
  +----- Parreysiinae **
--+                  
  |  +-- Gonideinae **  
  +--+               
     +-- Unioninae **   

Pfeiffer et al., 2019 [Publ 3866], fig. 1

iTtTbiriSoTroTroSiD
313130200057
  +-- Gonideinae **
--+             
  +-- Ambleminae **

Wang et al., 2018 [Publ 3865], fig. 2

iTtTbiriSoTroTroSiD
313129300068
  +----- Unioninae ** 
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Gonideinae **

Wang et al., 2018 [Publ 3846], fig. 2

iTtTbiriSoTroTroSiD
313129300068
  +----- Unioninae ** 
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Gonideinae **

Lyubas et al., 2022 [Publ 4255], fig. 7

iTtTbiriSoTroTroSiD
313128300069
  +----- Parreysiinae **
--+                  
  |  +-- Gonideinae **  
  +--+               
     +-- Unioninae **   

Krebs et al., 2003 [Publ 2691], fig. 3

iTtTbiriSoTroTroSiD
313127222166
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Sano et al., 2020 [Publ 4138], fig. 1

iTtTbiriSoTroTroSiD
303013243175
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Zieritz et al., 2021 [Publ 4218], fig. 5

iTtTbiriSoTroTroSiD
303028222168
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Gonideinae **      

Burdick & White, 2007 [Publ 2679], fig. 3

iTtTbiriSoTroTroSiD
303031100070
1

Pfeiffer & Graf, 2015 [Publ 3620], fig. 2

iTtTbiriSoTroTroSiD
3030284102161
  +----------- Margaritiferidae
--+                            
  |  +-------- Parreysiinae **    
  +--+                         
     |  +----- Unioninae **       
     +--+                      
        |  +-- Ambleminae **      
        +--+                   
           +-- Gonideinae **      

Pfeiffer & Graf, 2013 [Publ 3531], fig. 2

iTtTbiriSoTroTroSiD
292928421161
  +-------- Parreysiinae **
--+                     
  |  +----- Unioninae **   
  +--+                  
     |  +-- Ambleminae **  
     +--+               
        +-- Gonideinae **  

Lopes-Lima et al., 2017 [Publ 3792], fig. 2

iTtTbiriSoTroTroSiD
292927333168
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Dai et al., 2024 [Publ 4385], fig. 3-ML

iTtTbiriSoTroTroSiD
292927222172
  +----- Margaritiferidae
--+                      
  |  +-- Parreysiinae **    
  +--+                   
     +-- Unioninae **       

Dai et al., 2024 [Publ 4385], fig. 3-BI

iTtTbiriSoTroTroSiD
292926222172
  +----- Margaritiferidae
--+                      
  |  +-- Parreysiinae **    
  +--+                   
     +-- Unioninae **       

Bogan et al., 2023 [Publ 4295], fig. 3

iTtTbiriSoTroTroSiD
292926122172
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Sano et al., 2017 [Publ 3799], fig. 2

iTtTbiriSoTroTroSiD
292930242172
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Serb et al., 2003 [Publ 2659], fig. 2

iTtTbiriSoTroTroSiD
292920100066
1

Serb et al., 2003 [Publ 2659], fig. 3

iTtTbiriSoTroTroSiD
292927100068
1

Pfeiffer et al., 2021 [Publ 4126], fig. 9

iTtTbiriSoTroTroSiD
292927100072
1

Fonseca et al., 2016 [Publ 3775], fig. 1

iTtTbiriSoTroTroSiD
292927322168
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Wu et al., 2020 [Publ 4147], fig. 3

iTtTbiriSoTroTroSiD
282827311167
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Whelan et al., 2023 [Publ 4287], fig. 3

iTtTbiriSoTroTroSiD
282827100069
1

Hou et al., 2025 [Publ 4432], fig. 4

iTtTbiriSoTroTroSiD
282826100072
1

Smith et al., 2020 [Publ 4129], fig. 2-3

iTtTbiriSoTroTroSiD
282826100069
1

Smith et al., 2020 [Publ 4129], fig. 1

iTtTbiriSoTroTroSiD
282826100069
1

Xiang et al., 2025 [Publ 4433], fig. 6

iTtTbiriSoTroTroSiD
282826200071
  +-- Parreysiinae **
--+               
  +-- Unioninae **   

Hou et al., 2025 [Publ 4401], fig. 4

iTtTbiriSoTroTroSiD
282826100072
1

Neemuchwala et al., 2023 [Publ 4292], fig. 2

iTtTbiriSoTroTroSiD
272725200063
  +-- Gonideinae **
--+             
  +-- Ambleminae **

Whelan et al., 2023 [Publ 4287], fig. 4

iTtTbiriSoTroTroSiD
272725100067
1

Pfeiffer et al., 2018 [Publ 3827], fig. 2

iTtTbiriSoTroTroSiD
272725111170
  +-- Margaritiferidae
--+                   
  +-- Parreysiinae **    

Lopes-Lima et al., 2019 [Publ 3901], fig. 3

iTtTbiriSoTroTroSiD
272725222163
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Konopleva et al., 2021 [Publ 4213], fig. 1

iTtTbiriSoTroTroSiD
272722100067
1

Campbell et al., 2008 [Publ 2675], fig. 2

iTtTbiriSoTroTroSiD
262618100066
1

Campbell et al., 2008 [Publ 2675], fig. 6

iTtTbiriSoTroTroSiD
262623100066
1

Zhang et al., 2024 [Publ 4397], fig. 5

iTtTbiriSoTroTroSiD
262624122166
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Lopes-Lima et al., 2019 [Publ 3901], fig. 2

iTtTbiriSoTroTroSiD
262623222164
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Graf & Cummings, 2006 [Publ 1968], fig. 2

iTtTbiriSoTroTroSiD
2525194222134
  +----------- Margaritiferidae
  |                            
--+  +-------- Pseudodontini **   
  |  |                         
  +--+  +----- Parreysiinae **    
     |  |                      
     |  +----- Contradentini **   
     +--+                      
        +----- Unioninae **       
        |                      
        |  +-- Gonideini **       
        +--+                   
           +-- Ambleminae **      

Campbell et al., 2008 [Publ 2675], fig. 4

iTtTbiriSoTroTroSiD
25259100065
1

Lopes-Lima et al., 2021 [Publ 4217], fig. 1

iTtTbiriSoTroTroSiD
252523200066
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Campbell et al., 2008 [Publ 2675], fig. 5

iTtTbiriSoTroTroSiD
25256100065
1

Graf & Ó Foighil, 2000 [Publ 2648], fig. 2B

iTtTbiriSoTroTroSiD
252523252148
  +-------- Margaritiferidae
--+                         
  |  +----- Unionini **        
  +--+                      
     |  +-- Anodontini **      
     +--+                   
        +-- Ambleminae **      

Jadhav & Jamkhedkar, 2009 [Publ 3697], fig. 11

iTtTbiriSoTroTroSiD
252523400049
  +-------------------------------- Parreysiinae **  
  |                                               
--+  +----------------------------- Unioninae **     
  |  |                                            
  +--+  +-------------------------- Lamprotulini **  
     |  |                                         
     +--+  +----------------------- Quadrulini **    
        |  |                                      
        +--+  +-------------------- Gonideini **     
           |  |                                   
           |  |              +----- Eurynia **       
           +--+  +-----------+                    
              |  |           |  +-- Cambarunio **    
              |  |           +--+                 
              |  |              +-- Ptychobranchus **
              +--+                                
                 |              +-- Amblemini **     
                 |  +-----------+                 
                 |  |           +-- Pleurobema **    
                 +--+                             
                    |  +----------- Truncilla **     
                    |  |                          
                    +--+        +-- Lampsilis **     
                       |  +-----+                 
                       |  |     +-- Epioblasma **    
                       +--+                       
                          |  +----- Ligumia **       
                          +--+                    
                             |  +-- Obliquaria **    
                             +--+                 
                                +-- Ortmanniana **   

Graf & Ó Foighil, 2000 [Publ 2648], fig. 2A

iTtTbiriSoTroTroSiD
252519252146
  +-------- Margaritiferidae
--+                         
  |  +----- Unionini **        
  +--+                      
     |  +-- Anodontini **      
     +--+                   
        +-- Ambleminae **      

Hoeh et al., 2009 [Publ 2716], fig. 3

iTtTbiriSoTroTroSiD
2526244222133
  +-------------------- Margaritiferidae
--+                                     
  |  +----------------- Parreysiinae **    
  +--+                                  
     |  +-------------- Etheriidae      
     +--+                               
        |  +----------- Unioninae **       
        +--+                            
           |  +-------- Contradentini **   
           +--+                         
              |  +----- Ambleminae **      
              +--+                      
                 |  +-- Gonideini **       
                 +--+                   
                    +-- Pseudodontini **   

Hoeh et al., 2009 [Publ 2716], fig. 4

iTtTbiriSoTroTroSiD
2427244222128
  +-------------------- Parreysiinae **    
--+                                     
  |  +----------------- Etheriidae      
  +--+                                  
     |  +-------------- Margaritiferidae
     +--+                               
        |  +----------- Pseudodontini **   
        +--+                            
           |  +-------- Contradentini **   
           +--+                         
              |  +----- Unioninae **       
              +--+                      
                 |  +-- Gonideini **       
                 +--+                   
                    +-- Ambleminae **      

Lydeard et al., 1996 [Publ 2656], fig. 4

iTtTbiriSoTroTroSiD
242422243162
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Perkins et al., 2017 [Publ 3777], fig. 3

iTtTbiriSoTroTroSiD
242410100062
1

Lydeard et al., 1996 [Publ 2656], fig. 3

iTtTbiriSoTroTroSiD
242420233162
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Galal-Khallaf et al., 2024 [Publ 4459], fig. 6

iTtTbiriSoTroTroSiD
242829240065
  +----- Parreysiinae **
--+                  
  |  +-- Iridinidae  
  +--+               
     +-- Unioninae **   

Whelan et al., 2011 [Publ 3380], fig. 1-MP

iTtTbiriSoTroTroSiD
2424214122150
  +----------------- Parreysiinae ** 
--+                               
  |  +-------------- Contradentini **
  +--+                            
     |  +----------- Pseudodontini **
     +--+                         
        |  +-------- Unioninae **    
        +--+                      
           |  +----- Gonideini **    
           +--+                   
              |  +-- Lamprotulini ** 
              +--+                
                 +-- Ambleminae **   

Whelan et al., 2011 [Publ 3380], fig. 1-ML

iTtTbiriSoTroTroSiD
2424234122151
  +-------------- Parreysiinae ** 
  |                            
--+           +-- Pseudodontini **
  |  +--------+                
  |  |        +-- Contradentini **
  +--+                         
     |  +-------- Unioninae **    
     +--+                      
        |  +----- Gonideini **    
        +--+                   
           |  +-- Lamprotulini ** 
           +--+                
              +-- Ambleminae **   

Liu et al., 2023 [Publ 4310], fig. 5

iTtTbiriSoTroTroSiD
242417200061
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Wu et al., 2021 [Publ 4215], fig. 3

iTtTbiriSoTroTroSiD
242422300065
  +----- Parreysiinae **
--+                  
  |  +-- Unioninae **   
  +--+               
     +-- Gonideinae **  

Lopes-Lima et al., 2019 [Publ 3901], fig. 4

iTtTbiriSoTroTroSiD
242422222160
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Liu et al., 2023 [Publ 4310], fig. 4

iTtTbiriSoTroTroSiD
242422200061
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Wu et al., 2023 [Publ 4296], fig. 4

iTtTbiriSoTroTroSiD
232321200060
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Soroka & Burzynski, 2017 [Publ 3837], fig. 1

iTtTbiriSoTroTroSiD
232321100064
1

Jeratthitikul et al., 2019 [Publ 3922], fig. 1

iTtTbiriSoTroTroSiD
232321100066
1

Inoue et al., 2020 [Publ 4128], fig. 2

iTtTbiriSoTroTroSiD
232316100053
1

Zieritz et al., 2021 [Publ 4231], fig. 3-M_4

iTtTbiriSoTroTroSiD
222220311160
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Unioninae **       
     +--+                   
        +-- Gonideinae **      

Lopes-Lima et al., 2024 [Publ 4376], fig. 4-5_MtG

iTtTbiriSoTroTroSiD
222220100064
1

Wu et al., 2018 [Publ 4143], fig. 2

iTtTbiriSoTroTroSiD
222220300059
  +----- Unioninae ** 
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Gonideinae **

Inoue et al., 2020 [Publ 4128], fig. 3

iTtTbiriSoTroTroSiD
222224100056
1

Lopes-Lima et al., 2024 [Publ 4376], fig. 4-5_AHE

iTtTbiriSoTroTroSiD
222220100064
1

Guerra et al., 2019 [Publ 4168], fig. 1

iTtTbiriSoTroTroSiD
2121193207161
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Konopleva et al., 2017 [Publ 3807], fig. 6

iTtTbiriSoTroTroSiD
2121192102160
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Parreysiinae **    

Chapman et al., 2008 [Publ 2744], fig. 2

iTtTbiriSoTroTroSiD
212119200056
  +-- Gonideinae **
--+             
  +-- Ambleminae **

Wu et al., 2016 [Publ 3711], fig. 1

iTtTbiriSoTroTroSiD
212119300058
  +----- Unioninae ** 
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Gonideinae **

Guerra et al., 2019 [Publ 4168], fig. 2

iTtTbiriSoTroTroSiD
2121193207161
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Chapman et al., 2008 [Publ 2667], fig. 1

iTtTbiriSoTroTroSiD
212119200056
  +-- Gonideinae **
--+             
  +-- Ambleminae **

Jeratthitikul et al., 2021 [Publ 4212], fig. 4

iTtTbiriSoTroTroSiD
212119100064
1

Smith et al., 2020 [Publ 4136], fig. 1

iTtTbiriSoTroTroSiD
202013100058
1

Pieri et al., 2018 [Publ 3867], fig. 3

iTtTbiriSoTroTroSiD
202023200058
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Wu et al., 2024 [Publ 4379], fig. 4_6

iTtTbiriSoTroTroSiD
202019222163
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Huang et al., 2019 [Publ 3843], fig. 3-M

iTtTbiriSoTroTroSiD
202018332160
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Inoue et al., 2014 [Publ 3635], fig. 3A

iTtTbiriSoTroTroSiD
191916311154
  +----------- Margaritiferidae
  |                            
--+  +-------- Amblemini **       
  |  |                         
  |  +-------- Pleurobemini **    
  +--+                         
     +-------- Lampsilini **      
     |                         
     |  +----- Quadrulini **      
     +--+                      
        |  +-- Gonideinae **      
        +--+                   
           +-- Unioninae **       

Guerra et al., 2017 [Publ 3772], fig. 2a

iTtTbiriSoTroTroSiD
191917362156
  +-------- Margaritiferidae
--+                         
  |  +----- Unioninae **       
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Gonideinae **      

Matos et al., 2024 [Publ 4383], fig. 3

iTtTbiriSoTroTroSiD
191917211159
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Gonideinae **      

Dai et al., 2024 [Publ 4386], fig. 5-ML

iTtTbiriSoTroTroSiD
191917222161
  +----- Margaritiferidae
--+                      
  |  +-- Parreysiinae **    
  +--+                   
     +-- Unioninae **       

Guerra et al., 2017 [Publ 3772], fig. 2b

iTtTbiriSoTroTroSiD
191917362158
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Dai et al., 2024 [Publ 4386], fig. 5-BI

iTtTbiriSoTroTroSiD
191914222161
  +----- Margaritiferidae
--+                      
  |  +-- Parreysiinae **    
  +--+                   
     +-- Unioninae **       

Matos et al., 2024 [Publ 4384], fig. 3

iTtTbiriSoTroTroSiD
191917211159
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Gonideinae **      

Zhou et al., 2016 [Publ 3710], fig. 1

iTtTbiriSoTroTroSiD
192018311158
  +-------- Unioninae **       
--+                         
  |  +----- Margaritiferidae
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Gonideinae **      

Sano et al., 2022 [Publ 4311], fig. 3

iTtTbiriSoTroTroSiD
181816100062
1

Froufe et al., 2019 [Publ 3936], fig. 3-M

iTtTbiriSoTroTroSiD
181816311156
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Unioninae **       
     +--+                   
        +-- Gonideinae **      

Hoeh et al., 2002 [Publ 2653], fig. 2

iTtTbiriSoTroTroSiD
1820174132143
  +----------- Parreysiinae **    
--+                            
  |  +-------- Margaritiferidae
  +--+                         
     |  +----- Ambleminae **      
     +--+                      
        |  +-- Gonideinae **      
        +--+                   
           +-- Unioninae **       

Bolotov et al., 2019 [Publ 3974], fig. 1

iTtTbiriSoTroTroSiD
181816200060
  +-- Gonideinae **  
--+               
  +-- Parreysiinae **

Roe & Hoeh, 2003 [Publ 2655], fig. 4f3

iTtTbiriSoTroTroSiD
1818164132143
  +-------- Parreysiinae **
--+                     
  |  +----- Unioninae **   
  +--+                  
     |  +-- Gonideinae **  
     +--+               
        +-- Ambleminae **  

Zhou et al., 2007 [Publ 2658], fig. 1

iTtTbiriSoTroTroSiD
181917233164
  +-------------------- Margaritiferinae       
  |                                            
  |  +----------------- Anodontini **             
--+  |                                         
  |  |     +----------- Chamberlainiini **        
  |  |  +--+                                   
  +--+  |  |  +-------- Lamprotula_leaii **       
     |  |  +--+                                
     |  |     |  +----- Lamprotula_caveata **     
     |  |     +--+                             
     |  |        |  +-- Gibbosulinae           
     +--+        +--+                          
        |           +-- Lamprotula_cornuumlunae **
        |                                      
        |        +----- Aculamprotula **          
        |     +--+                             
        |     |  |  +-- Tchangsinaia **           
        |     |  +--+                          
        +-----+     +-- Nodularia **              
              |                                
              |  +----- Schistodesmus **          
              +--+                             
                 |  +-- Lanceolariini **          
                 +--+                          
                    +-- Acuticostini **           

Smith et al., 2018 [Publ 3790], fig. 1

iTtTbiriSoTroTroSiD
181817100060
1

Bogan & Hoeh, 2000 [Publ 2650], fig. 1

iTtTbiriSoTroTroSiD
1821144162147
  +-------------- Parreysiinae **    
  |                               
--+  +----------- Etheriidae      
  |  |                            
  +--+  +-------- Anodontini **      
     |  |                         
     +--+  +----- Gonideinae **      
        |  |                      
        +--+----- Unionini **        
           |                      
           |  +-- Margaritiferidae
           +--+                   
              +-- Ambleminae **      

Hoeh et al., 2001 [Publ 2652], fig. 14f2

iTtTbiriSoTroTroSiD
1828164132145.5
  +-------------------- Margaritiferidae
  |                                     
  |  +----------------- Amblemini **       
  |  |                                  
  |  +----------------- Parreysiinae **    
  |  |                                  
  |  +----------------- Eurynia **         
--+  |                                  
  |  +----------------- Fusconaia **       
  |  |                                  
  |  +----------------- Gonideinae **      
  |  |                                  
  |  +----------------- Pleurobema **      
  |  |                                  
  +--+----------------- Quadrulini **      
     |                                  
     |     +----------- Ortmanniana **     
     +-----+                            
     |     |  +-------- Glebula **         
     |     +--+                         
     |        |  +----- Potamilus **       
     |        +--+                      
     |           |  +-- Ligumia **         
     |           +--+                   
     |              +-- Toxolasma **       
     |                                  
     |  +-------------- Cyrtonaias **      
     +--+                               
        |  +----------- Unionini **        
        +--+                            
           |  +-------- Anodontini **      
           +--+                         
              |  +----- Hyriidae        
              +--+                      
                 |  +-- Iridinidae      
                 +--+                   
                    +-- Mycetopodidae   

Burzynski & Soroka, 2018 [Publ 3862], fig. 5a

iTtTbiriSoTroTroSiD
181815322157
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Rosenberg et al., 1997 [Publ 2720], fig. 2B

iTtTbiriSoTroTroSiD
18181343155
  +----- Anodontina **         
  |                         
  |  +-- Gonideinae **         
  |  |                      
  |  +-- Pyganodon_grandis **  
  |  |                      
  |  +-- Utterbackia **        
  |  |                      
  |  +-- Pyganodon_cataracta **
--+  |                      
  |  +-- Lampsilis_straminea **
  |  |                      
  |  +-- Lampsilis_teres **    
  |  |                      
  |  +-- Megalonaias **        
  |  |                      
  |  +-- Obliquaria **         
  |  |                      
  +--+-- Theliderma **         
     |                      
     +-- Quadrula **           
     |                      
     +-- Uniomerus **          
     |                      
     +-- Amblema **            
     |                      
     +-- Elliptio **           
     |                      
     +-- Fusconaia **          
     |                      
     +-- Plectomerus **        
     |                      
     +-- Aculamprotula **      
     |                      
     +-- Unio **               

Froufe et al., 2019 [Publ 3936], fig. 4

iTtTbiriSoTroTroSiD
181816311156
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Unioninae **       
     +--+                   
        +-- Gonideinae **      

Porto-Hannes et al., 2019 [Publ 3969], fig. 3

iTtTbiriSoTroTroSiD
181813100056
1

Chong et al., 2008 [Publ 2668], fig. 3

iTtTbiriSoTroTroSiD
181810100059
1

Porto-Hannes et al., 2019 [Publ 3969], fig. 2

iTtTbiriSoTroTroSiD
181816100057
1

Hoeh et al., 2001 [Publ 2652], fig. 14f4

iTtTbiriSoTroTroSiD
1820174132143
  +----------- Parreysiinae **    
--+                            
  |  +-------- Margaritiferidae
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Unioninae **       
        +--+                   
           +-- Ambleminae **      

Rosenberg et al., 1997 [Publ 2720], fig. 2A

iTtTbiriSoTroTroSiD
18181343155
  +----- Anodontina **         
  |                         
  |  +-- Gonideinae **         
  |  |                      
  |  +-- Pyganodon_grandis **  
  |  |                      
  |  +-- Utterbackia **        
  |  |                      
  |  +-- Pyganodon_cataracta **
--+  |                      
  |  +-- Lampsilis_straminea **
  |  |                      
  |  +-- Lampsilis_teres **    
  |  |                      
  |  +-- Megalonaias **        
  |  |                      
  |  +-- Obliquaria **         
  |  |                      
  +--+-- Theliderma **         
     |                      
     +-- Quadrula **           
     |                      
     +-- Uniomerus **          
     |                      
     +-- Amblema **            
     |                      
     +-- Elliptio **           
     |                      
     +-- Fusconaia **          
     |                      
     +-- Plectomerus **        
     |                      
     +-- Pleurobema **         
     |                      
     +-- Unionini **           

Zhou et al., 2007 [Publ 2658], fig. 2

iTtTbiriSoTroTroSiD
181816300058
  +----------------- Sinanodonta **  
  |                               
--+  +-------------- Cristaria **    
  |  |                            
  +--+           +-- Gonideinae **   
     |  +--------+                
     |  |        +-- Ambleminae **   
     +--+                         
        |  +-------- Aculamprotula **
        +--+                      
           |  +----- Acuticostini ** 
           +--+                   
              |  +-- Nodularia **    
              +--+                
                 +-- Cuneopsis **    

Roe & Hoeh, 2003 [Publ 2655], fig. 4f2

iTtTbiriSoTroTroSiD
1818144132151
  +-------------------------------- Margaritiferidae
  |                                                 
--+  +----------------------------- Gonideinae **      
  |  |                                              
  +--+  +-------------------------- Parreysiinae **    
     |  |                                           
     +--+  +----------------------- Fusconaia **       
        |  |                                        
        |  +----------------------- Amblemini **       
        +--+                                        
           |  +-------------------- Quadrulini **      
           |  |                                     
           +--+  +----------------- Pleurobema **      
              |  |                                  
              +--+  +-------------- Eurynia **         
                 |  |                               
                 |  |           +-- Cyrtonaias **      
                 +--+-----------+                   
                    |           +-- Unioninae **       
                    |                               
                    |  +----------- Ortmanniana **     
                    +--+                            
                       |  +-------- Glebula **         
                       +--+                         
                          |  +----- Potamilus **       
                          +--+                      
                             |  +-- Ligumia **         
                             +--+                   
                                +-- Toxolasma **       

Inoue et al., 2013 [Publ 3528], fig. 3

iTtTbiriSoTroTroSiD
171713300054
  +-- Gonideinae **
  |             
--+-- Unioninae ** 
  |             
  +-- Ambleminae **

Grobler et al., 2011 [Publ 3359], fig. 2

iTtTbiriSoTroTroSiD
171713100054
1

Plazzi et al., 2011 [Publ 3676], fig. 5

iTtTbiriSoTroTroSiD
171811310059
  +----------- Cristariina **    
  |                           
  |  +-------- Lanceolariini **  
  |  |                        
--+  +-------- Anodonta **       
  |  |                        
  |  +-------- Unionini **       
  |  |                        
  +--+     +-- Alasmidontina **  
     +-----+                  
     |     +-- Pseudanodonta **  
     |                        
     |  +----- Ambleminae **     
     |  |                     
     +--+  +-- Hyriidae       
        |  |                  
        +--+-- Lamprotulini **   
           |                  
           +-- Chamberlainiini **

Wu et al., 2025 [Publ 4442], fig. 6

iTtTbiriSoTroTroSiD
171715100060
1

Wu et al., 2023 [Publ 4339], fig. 5

iTtTbiriSoTroTroSiD
171715222158
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Unioninae **       

Araujo et al., 2018 [Publ 3779], fig. 1

iTtTbiriSoTroTroSiD
171713111156
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Guerra et al., 2019 [Publ 4168], fig. 1-M

iTtTbiriSoTroTroSiD
171715353157
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Riccardi et al., 2020 [Publ 4089], fig. 2

iTtTbiriSoTroTroSiD
171715122159
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Sano et al., 2017 [Publ 3799], fig. 1

iTtTbiriSoTroTroSiD
171718242160
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Wu et al., 2022 [Publ 4238], fig. 2e

iTtTbiriSoTroTroSiD
171715100059
1

Kim et al., 2021 [Publ 4197], fig. 1

iTtTbiriSoTroTroSiD
171715200059
                 +-- Gonideinae **   
  +--------------+                
  |              +-- Lepidodesmini **
--+                               
  |  +-------------- Aculamprotula **
  |  |                            
  +--+           +-- Acuticostini ** 
     |  +--------+                
     |  |        +-- Lanceolariini **
     +--+                         
        |  +-------- Unio **         
        +--+                      
           |  +----- Nodularia **    
           +--+                   
              |  +-- Schistodesmus **
              +--+                
                 +-- Cuneopsis **    

Teiga-Teixeira et al., 2020 [Publ 4173], fig. 1

iTtTbiriSoTroTroSiD
171715322157
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Unioninae **       
     +--+                   
        +-- Gonideinae **      

Guerra et al., 2019 [Publ 4168], fig. 2-M

iTtTbiriSoTroTroSiD
171715353157
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Smith, 2021 [Publ 4331], fig. 1

iTtTbiriSoTroTroSiD
161614441156
  +----------- Margaritiferidae
--+                            
  |  +-------- Ambleminae **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Parreysiinae **    
        +--+                   
           +-- Unioninae **       

Fukata & Iigo, 2019 [Publ 4108], fig. 1

iTtTbiriSoTroTroSiD
161614100059
1

Zanatta et al., 2007 [Publ 2698], fig. 1A

iTtTbiriSoTroTroSiD
161610100057
1

Inoue et al., 2020 [Publ 3941], fig. 5

iTtTbiriSoTroTroSiD
161614100060
1

Zhou et al., 2017 [Publ 3788], fig. 2

iTtTbiriSoTroTroSiD
161614300057
  +-------- Anodontini **   
  |                      
--+     +-- Lanceolariini **
  |  +--+                
  |  |  +-- Unionini **     
  +--+                   
     |  +-- Ambleminae **   
     +--+                
        +-- Gonideinae **   

Prié & Puillandre, 2014 [Publ 3529], fig. 2

iTtTbiriSoTroTroSiD
161614311157
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Rosenberg et al., 1994 [Publ 2719], fig. 3

iTtTbiriSoTroTroSiD
16163333157
  +----------- Cumberlandia       
  |                               
  +----------- Margaritifera      
  |                               
  |  +-------- Gonideinae **         
--+  |                            
  |  |     +-- Elliptio **           
  |  |     |                      
  |  |     +-- Fusconaia **          
  |  |     |                      
  +--+  +--+-- Amblemini **          
     |  |  |                      
     |  |  +-- Pleurobema **         
     |  |  |                      
     |  |  +-- Unionini **           
     |  |                         
     |  |  +-- Pyganodon_cataracta **
     +--+  |                      
        |  +-- Pyganodon_grandis **  
        |  |                      
        |  +-- Utterbackia **        
        |  |                      
        |  +-- Lampsilis_teres **    
        |  |                      
        |  +-- Lampsilis_straminea **
        +--+                      
           +-- Megalonaias **        
           |                      
           +-- Obliquaria **         
           |                      
           +-- Theliderma **         
           |                      
           +-- Quadrula **           
           |                      
           +-- Uniomerus **          

Johnson et al., 2018 [Publ 3844], fig. 2

iTtTbiriSoTroTroSiD
161614100056
1

Zanatta et al., 2007 [Publ 2698], fig. 1B

iTtTbiriSoTroTroSiD
161613100057
1

Szumowski et al., 2012 [Publ 3569], fig. 4

iTtTbiriSoTroTroSiD
161612100052
1

Porto-Hannes et al., 2021 [Publ 4227], fig. 3

iTtTbiriSoTroTroSiD
151512100052
1

Hou et al., 2024 [Publ 4400], fig. 1

iTtTbiriSoTroTroSiD
151513200058
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Huang et al., 2018 [Publ 3828], fig. 6-M

iTtTbiriSoTroTroSiD
151513321155
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Bolotov et al., 2022 [Publ 4250], fig. S2

iTtTbiriSoTroTroSiD
151513100059
1

Hoeh, 1990 [Publ 2717], fig. 3

iTtTbiriSoTroTroSiD
15152100056
1

Xue et al., 2016 [Publ 3659], fig. 1

iTtTbiriSoTroTroSiD
151513300055
  +----- Unioninae ** 
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Ambleminae **

Hoeh, 1990 [Publ 2717], fig. 4

iTtTbiriSoTroTroSiD
151513100056
1

Hoeh, 1990 [Publ 2717], fig. 2

iTtTbiriSoTroTroSiD
151513100056
1

Kongim et al., 2023 [Publ 4290], fig. 1

iTtTbiriSoTroTroSiD
151513100056
1

Bolotov et al., 2022 [Publ 4250], fig. S5

iTtTbiriSoTroTroSiD
151512100059
1

Liu et al., 2017 [Publ 3939], fig. 2

iTtTbiriSoTroTroSiD
151512200058
        +-- Lanceolariini **
  +-----+                
  |     +-- Unionini **     
--+                      
  |  +----- Acuticostini ** 
  +--+                   
     |  +-- Anodontini **   
     +--+                
        +-- Gonideinae **   

Huang et al., 2013 [Publ 3629], fig. 3

iTtTbiriSoTroTroSiD
151513311152
  +-------- Margaritiferidae
--+                         
  |  +----- Unioninae **       
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Gonideinae **      

Mejia-Trujillo & Smith, 2022 [Publ 4274], fig. 2-F

iTtTbiriSoTroTroSiD
151513100057
1

Szumowski et al., 2012 [Publ 3569], fig. 5

iTtTbiriSoTroTroSiD
141412100056
1

Lopes-Lima et al., 2024 [Publ 4376], fig. 2

iTtTbiriSoTroTroSiD
141412100057
1

Lopes-Lima et al., 2017 [Publ 3734], fig. 1

iTtTbiriSoTroTroSiD
141410232155
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Zhang et al., 2004 [Publ 2735], fig. 1

iTtTbiriSoTroTroSiD
141412200056
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Wen et al., 2017 [Publ 3795], fig. 3

iTtTbiriSoTroTroSiD
141412322154
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Froufe et al., 2016 [Publ 3738], fig. 3

iTtTbiriSoTroTroSiD
141412100055
1

Lydeard et al., 2000 [Publ 2654], fig. 2c

iTtTbiriSoTroTroSiD
13149211154
  +----- Unioninae **       
  |                      
  +----- Margaritiferidae
  |                      
--+----- Quadrulini **      
  |                      
  +----- Lampsilini **      
  |                      
  |  +-- Amblemini **       
  +--+                   
     +-- Pleurobemini **    

Burzynski et al., 2017 [Publ 3774], fig. 1-bottom

iTtTbiriSoTroTroSiD
131311300051
  +----- Unioninae ** 
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Gonideinae **

Lydeard et al., 2000 [Publ 2654], fig. 2a

iTtTbiriSoTroTroSiD
131411211155
  +----- Unioninae **       
  |                      
  +----- Margaritiferidae
  |                      
--+----- Lampsilini **      
  |                      
  +----- Amblemini **       
  |                      
  |  +-- Quadrulini **      
  +--+                   
     +-- Pleurobemini **    

Sayenko et al., 2021 [Publ 4189], fig. 6

iTtTbiriSoTroTroSiD
131311100056
1

Manendo et al., 2008 [Publ 2669], fig. 1

iTtTbiriSoTroTroSiD
131311200050
  +-- Ambleminae **
--+             
  +-- Unioninae ** 

Turner et al., 2000 [Publ 2722], fig. 2

iTtTbiriSoTroTroSiD
131311211154
  +----------- Margaritiferidae
  |                            
--+        +-- Quadrulini **      
  |  +-----+                   
  |  |     +-- Unioninae **       
  +--+                         
     |  +----- Lampsilini **      
     +--+                      
        |  +-- Amblemini **       
        +--+                   
           +-- Pleurobemini **    

Hauck et al., 2023 [Publ 4333], fig. 9

iTtTbiriSoTroTroSiD
131312100053
1

Dai et al., 2024 [Publ 4386], fig. 3

iTtTbiriSoTroTroSiD
131311200055
  +-- Parreysiinae **
--+               
  +-- Unioninae **   

Ouyang et al., 2011 [Publ 3408], fig. 1

iTtTbiriSoTroTroSiD
131310200055
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Amaro et al., 2017 [Publ 3791], fig. 2

iTtTbiriSoTroTroSiD
131312332153
  +-------------- Margaritifera_margaritifera__2
  |                                             
--+           +-- Margaritifera_margaritifera__1
  |  +--------+                                 
  |  |        +-- Margaritifera_falcata         
  +--+                                          
     |  +-------- Unioninae **                     
     |  |                                       
     +--+     +-- Pleurobemini **                  
        |  +--+                                 
        |  |  +-- Gonideinae **                    
        +--+                                    
           |  +-- Lampsilini **                    
           +--+                                 
              +-- Quadrulini **                    

Jeratthitikul & Sutcharit, 2023 [Publ 4289], fig. 1

iTtTbiriSoTroTroSiD
131311100054
1

Burzynski et al., 2017 [Publ 3774], fig. 1-top

iTtTbiriSoTroTroSiD
131311300051
  +----- Unioninae ** 
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Gonideinae **

Lydeard et al., 2000 [Publ 2654], fig. 2b

iTtTbiriSoTroTroSiD
131412211155
  +-- Unioninae **       
  |                   
--+-- Margaritiferidae
  |                   
  +-- Ambleminae **      

Xiang et al., 2025 [Publ 4433], fig. 7

iTtTbiriSoTroTroSiD
131311200055
  +-- Ambleminae **
--+             
  +-- Unioninae ** 

Reis et al., 2013 [Publ 3580], fig. 5

iTtTbiriSoTroTroSiD
131311321151
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Stewart et al., 2021 [Publ 4451], fig. 1

iTtTbiriSoTroTroSiD
131312233152
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Unioninae **       

Douda et al., 2024 [Publ 4364], fig. 1

iTtTbiriSoTroTroSiD
131312111157
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Lydeard et al., 2000 [Publ 2654], fig. 2d

iTtTbiriSoTroTroSiD
131412211154
  +-- Unioninae **       
  |                   
--+-- Margaritiferidae
  |                   
  +-- Ambleminae **      

Araujo et al., 2017 [Publ 3801], fig. 2

iTtTbiriSoTroTroSiD
131311411151
  +----------- Margaritiferidae
--+                            
  |  +-------- Parreysiinae **    
  +--+                         
     |  +----- Ambleminae **      
     +--+                      
        |  +-- Unioninae **       
        +--+                   
           +-- Gonideinae **      

Bogan et al., 2023 [Publ 4295], fig. 6

iTtTbiriSoTroTroSiD
12129111156
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Zieritz et al., 2024 [Publ 4381], fig. 7A

iTtTbiriSoTroTroSiD
121210100055
1

Pfarrer et al., 2022 [Publ 4305], fig. 2-5

iTtTbiriSoTroTroSiD
121210200053
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Liu et al., 2024 [Publ 4380], fig. 4

iTtTbiriSoTroTroSiD
121210100055
1

Freeman et al., 2025 [Publ 4443], fig. 3

iTtTbiriSoTroTroSiD
121210100051
1

Lopes-Lima et al., 2020 [Publ 4080], fig. 10

iTtTbiriSoTroTroSiD
12128122156
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Graf, 2002 [Publ 2651], fig. 2

iTtTbiriSoTroTroSiD
121210361135
  +-------------- Margaritiferidae
--+                               
  |  +----------- Pseudodontini **   
  +--+                            
     |  +-------- Contradentini **   
     +--+                         
        |  +----- Unioninae **       
        +--+                      
           |  +-- Gonideini **       
           +--+                   
              +-- Ambleminae **      

Wu et al., 2022 [Publ 4238], fig. 2a_S1

iTtTbiriSoTroTroSiD
121210100056
1

Froufe et al., 2015 [Publ 3664], fig. 1

iTtTbiriSoTroTroSiD
121210300053
        +-- Gonideini **      
  +-----+                  
  |     +-- Lamprotulini **   
--+                        
  |  +----- Chamberlainiini **
  +--+                     
     |  +-- Ambleminae **     
     +--+                  
        +-- Unioninae **      

Freeman et al., 2025 [Publ 4443], fig. 4

iTtTbiriSoTroTroSiD
12128100051
1

Konopleva et al., 2020 [Publ 4072], fig. 2

iTtTbiriSoTroTroSiD
12129100056
1

Froufe et al., 2017 [Publ 3802], fig. 6

iTtTbiriSoTroTroSiD
12129100056
1

Mabuchi & Nishida, 2020 [Publ 4120], fig. 1

iTtTbiriSoTroTroSiD
121212200055
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Smith et al., 2020 [Publ 4136], fig. 3

iTtTbiriSoTroTroSiD
121210100054
1

Feng et al., 2016 [Publ 3800], fig. 2

iTtTbiriSoTroTroSiD
121210322150
  +-------------- Margaritiferidae
  |                               
  |           +-- Anodontina **      
--+  +--------+                   
  |  |        +-- Utterbackia **     
  |  |                            
  +--+        +-- Gonideinae **      
     |  +-----+                   
     |  |     +-- Ambleminae **      
     +--+                         
        |  +----- Unionini **        
        +--+                      
           |  +-- Pyganodon **       
           +--+                   
              +-- Cristariina **     

Walker et al., 2006 [Publ 2666], fig. 4

iTtTbiriSoTroTroSiD
121210331147
  +-------------- Margaritiferidae
--+                               
  |  +----------- Pseudodontini **   
  +--+                            
     |  +-------- Gonidea **         
     +--+                         
        |  +----- Inversidens **     
        +--+                      
           |  +-- Unioninae **       
           +--+                   
              +-- Ambleminae **      

Walker et al., 2006 [Publ 2666], fig. 2

iTtTbiriSoTroTroSiD
121311331152
  +-------------- Unioninae **       
  |                               
--+  +----------- Lamprotulini **    
  |  |                            
  +--+        +-- Gonideini **       
     |  +-----+                   
     |  |     +-- Pseudodontini **   
     +--+                         
        |  +----- Lampsilini **      
        +--+                      
           |  +-- Pleurobemini **    
           +--+                   
              +-- Margaritiferidae

Sano et al., 2022 [Publ 4311], fig. 2

iTtTbiriSoTroTroSiD
121212100056
1

Walker et al., 2006 [Publ 2666], fig. 3

iTtTbiriSoTroTroSiD
121210331147
  +-------------- Margaritiferidae
--+                               
  |  +----------- Pseudodontini **   
  +--+                            
     |  +-------- Gonidea **         
     +--+                         
        |  +----- Inversidens **     
        +--+                      
           |  +-- Unioninae **       
           +--+                   
              +-- Ambleminae **      

Wu et al., 2024 [Publ 4379], fig. 2

iTtTbiriSoTroTroSiD
121210100057
1

Choi et al., 2020 [Publ 4169], fig. 2a

iTtTbiriSoTroTroSiD
121211100055
1

Reis et al., 2013 [Publ 3580], fig. 4

iTtTbiriSoTroTroSiD
121210321152
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Pfeiffer et al., 2021 [Publ 4126], fig. 12

iTtTbiriSoTroTroSiD
11118100054
1

Khalloufi et al., 2011 [Publ 2748], fig. 2

iTtTbiriSoTroTroSiD
11118300053
  +----- Ambleminae **
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Unioninae ** 

Hou et al., 2025 [Publ 4401], fig. 3

iTtTbiriSoTroTroSiD
11119100055
1

Hou et al., 2025 [Publ 4432], fig. 3

iTtTbiriSoTroTroSiD
11119100055
1

Porto-Hannes et al., 2021 [Publ 4227], fig. 4

iTtTbiriSoTroTroSiD
11116100049
1

Wu et al., 2020 [Publ 4121], fig. 2

iTtTbiriSoTroTroSiD
1111942312155
  +-------- Margaritiferidae
  |                         
--+     +-- Ambleminae **      
  |  +--+                   
  |  |  +-- Parreysiinae **    
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Curole & Kocher, 2005 [Publ 2682], fig. 1-M

iTtTbiriSoTroTroSiD
11119211149
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Freeman et al., 2025 [Publ 4443], fig. 5

iTtTbiriSoTroTroSiD
11119100050
1

Roe, 2013 [Publ 3571], fig. 4

iTtTbiriSoTroTroSiD
11119100052
1

Morrison et al., 2021 [Publ 4362], fig. 5

iTtTbiriSoTroTroSiD
11119100052
1

Pfeiffer et al., 2021 [Publ 4126], fig. 27

iTtTbiriSoTroTroSiD
11117100055
1

Wu et al., 2020 [Publ 4147], fig. 4

iTtTbiriSoTroTroSiD
11119333154
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Wu et al., 2020 [Publ 4121], fig. S1

iTtTbiriSoTroTroSiD
1111942312155
  +-------- Margaritiferidae
  |                         
--+     +-- Ambleminae **      
  |  +--+                   
  |  |  +-- Parreysiinae **    
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Burzynski & Soroka, 2018 [Publ 3862], fig. 5b

iTtTbiriSoTroTroSiD
10108100051
1

Sonowal et al., 2021 [Publ 4221], fig. 4

iTtTbiriSoTroTroSiD
10108460056
  +-------------------------- Lamellidens_mainwaringi **
--+                                                  
  |  +----------------------- Lamprotula **             
  +--+                                               
     |  +-------------------- Potomida **               
     +--+                                            
        |  +----------------- Lampsilini **             
        +--+                                         
           |  +-------------- Pleurobemini **           
           +--+                                      
              |  +----------- Aculamprotula **          
              +--+                                   
                 |  +-------- Unio_pictorum **          
                 +--+                                
                    |  +----- Anodontini **             
                    +--+                             
                       |  +-- Unio_ravoisieri **        
                       +--+                          
                          +-- Lamellidens_corrianus **  

Lopes-Lima et al., 2020 [Publ 4080], fig. 11

iTtTbiriSoTroTroSiD
10108122154
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Curole & Kocher, 2005 [Publ 2682], fig. 1

iTtTbiriSoTroTroSiD
10119211152
  +----- Ambleminae **      
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Margaritiferidae

Roe et al., 2002 [Publ 2689], fig. 3a

iTtTbiriSoTroTroSiD
10108100051
1

Araujo et al., 2009 [Publ 2589], fig. 7B

iTtTbiriSoTroTroSiD
10109311150
  +-------- Margaritiferidae
--+                         
  |  +----- Gonideinae **      
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Unioninae **       

Morrison et al., 2021 [Publ 4362], fig. 4

iTtTbiriSoTroTroSiD
10108100052
1

Stodola et al., 2021 [Publ 4266], fig. 4

iTtTbiriSoTroTroSiD
10107100053
1

Lopes-Lima et al., 2021 [Publ 4217], fig. 2

iTtTbiriSoTroTroSiD
10108100053
1

Klishko et al., 2019 [Publ 3886], fig. 9

iTtTbiriSoTroTroSiD
10107111152
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Choi et al., 2020 [Publ 4169], fig. 5

iTtTbiriSoTroTroSiD
10108200053
  +-- Parreysiinae **
--+               
  +-- Unioninae **   

Walker et al., 2006 [Publ 2666], fig. 6

iTtTbiriSoTroTroSiD
1016133266152
  +-------- Unioninae **       
--+                         
  |  +----- Margaritiferidae
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Ambleminae **      

Graf et al., 2014 [Publ 3591], fig. 3

iTtTbiriSoTroTroSiD
101113211152
  +-- Margaritiferidae
  |                   
--+-- Unioninae **       
  |                   
  +-- Parreysiinae **    

Keogh & Simons, 2019 [Publ 3935], fig. S1

iTtTbiriSoTroTroSiD
10108100052
1

Roe & Lydeard, 1998 [Publ 2693], fig. 3

iTtTbiriSoTroTroSiD
10105100052
1

Amaro et al., 2017 [Publ 3791], fig. 2-M

iTtTbiriSoTroTroSiD
10107300049
  +----- Ambleminae **
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Unioninae ** 

Araujo et al., 2009 [Publ 2589], fig. 7A

iTtTbiriSoTroTroSiD
10106311152
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Walker et al., 2006 [Publ 2666], fig. 6-M

iTtTbiriSoTroTroSiD
10108343148
  +-------- Margaritiferidae
--+                         
  |  +----- Gonideinae **      
  +--+                      
     |  +-- Unioninae **       
     +--+                   
        +-- Ambleminae **      

Kandl et al., 2001 [Publ 3384], fig. 5

iTtTbiriSoTroTroSiD
997100047
1

Soroka, 2010 [Publ 3404], fig. 3b

iTtTbiriSoTroTroSiD
995100051
1

Wu et al., 2024 [Publ 4388], fig. 4

iTtTbiriSoTroTroSiD
998200053
  +-- Unioninae ** 
--+             
  +-- Gonideinae **

Sonowal et al., 2021 [Publ 4221], fig. 3a

iTtTbiriSoTroTroSiD
9157460055
  +-------- Parreysiinae **
  |                     
  +-------- Gonideinae **  
--+                     
  |     +-- Hyriidae    
  |  +--+               
  |  |  +-- Trigoniidae 
  +--+                  
     |  +-- Pleurobemini **
     |  |               
     +--+-- Lampsilini **  
        |               
        +-- Unioninae **   

Muanta et al., 2019 [Publ 3921], fig. 2

iTtTbiriSoTroTroSiD
998100054
1

Hewitt et al., 2019 [Publ 3962], fig. 2

iTtTbiriSoTroTroSiD
9910211149
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Kano et al., 2019 [Publ 4194], fig. 6

iTtTbiriSoTroTroSiD
997211153
  +----------- Margaritiferidae
--+                            
  |  +-------- Anodontini **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Lanceolariini **   
        +--+                   
           +-- Unionini **        

Fonseca et al., 2016 [Publ 3775], fig. 1-M

iTtTbiriSoTroTroSiD
997300049
  +----- Ambleminae **
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Unioninae ** 

Lopes-Lima et al., 2020 [Publ 4080], fig. 6

iTtTbiriSoTroTroSiD
997122153
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Chen et al., 2025 [Publ 4448], fig. 2

iTtTbiriSoTroTroSiD
997200052
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Amaro et al., 2017 [Publ 3791], fig. 3B

iTtTbiriSoTroTroSiD
997332150
  +----------- Margaritiferidae
--+                            
  |  +-------- Unioninae **       
  +--+                         
     |  +----- Lampsilini **      
     +--+                      
        |  +-- Quadrulini **      
        +--+                   
           +-- Gonideinae **      

Lopes-Lima et al., 2017 [Publ 3792], fig. 2-M

iTtTbiriSoTroTroSiD
997311149
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Jeratthitikul et al., 2019 [Publ 3911], fig. 4

iTtTbiriSoTroTroSiD
9914200052
     +-- Pseudodontini **
  +--+                
  |  +-- Parreysiinae ** 
--+                   
  |  +-- Rectidentini ** 
  +--+                
     +-- Contradentini **

Froufe et al., 2017 [Publ 3802], fig. 7

iTtTbiriSoTroTroSiD
997211150
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Nagel et al., 1998 [Publ 1946], fig. 1

iTtTbiriSoTroTroSiD
997200050
  +----- Gonideini **   
--+                  
  |  +-- Lamprotulini **
  +--+               
     +-- Unioninae **   

Amaro et al., 2017 [Publ 3791], fig. 3A

iTtTbiriSoTroTroSiD
997332148
  +-------- Margaritiferidae
--+                         
  |  +----- Unioninae **       
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Ambleminae **      

Sonowal et al., 2021 [Publ 4221], fig. 3b

iTtTbiriSoTroTroSiD
990460051
  +-- Aculamprotula **  
  |                  
  +-- Lamprotula **     
  |                  
  +-- Lampsilini **     
  |                  
  +-- Potomida **       
  |                  
--+-- Unio_pictorum **  
  |                  
  +-- Anodontini **     
  |                  
  +-- Unio_ravoisieri **
  |                  
  +-- Parreysiinae **   
  |                  
  +-- Pleurobemini **   

Chase et al., 2018 [Publ 3861], fig. 1

iTtTbiriSoTroTroSiD
997321149
  +-------- Margaritiferidae
--+                         
  |  +----- Ambleminae **      
  +--+                      
     |  +-- Gonideinae **      
     +--+                   
        +-- Unioninae **       

Soroka, 2010 [Publ 3404], fig. 3a

iTtTbiriSoTroTroSiD
997100051
1

Pfeiffer et al., 2021 [Publ 4126], fig. 25

iTtTbiriSoTroTroSiD
997100053
1

Araujo et al., 2009 [Publ 2589], fig. 7C

iTtTbiriSoTroTroSiD
997311151
  +-------- Margaritiferidae
--+                         
  |  +----- Gonideinae **      
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Unioninae **       

Chase et al., 2018 [Publ 3861], fig. 1-M

iTtTbiriSoTroTroSiD
997321147
  +----- Unioninae ** 
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Ambleminae **

Bolotov et al., 2022 [Publ 4250], fig. S4

iTtTbiriSoTroTroSiD
996100053
1

King et al., 1999 [Publ 2699], fig. 2

iTtTbiriSoTroTroSiD
997100050
1

Vikhrev et al., 2017 [Publ 3810], fig. 4

iTtTbiriSoTroTroSiD
886122152
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Hoeh et al., 2002 [Publ 2673], fig. 1-M

iTtTbiriSoTroTroSiD
886210045
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Inoue et al., 2014 [Publ 3635], fig. 3B

iTtTbiriSoTroTroSiD
883200049
  +-- Ambleminae **
--+             
  +-- Unioninae ** 

Hewitt et al., 2018 [Publ 3758], fig. 5

iTtTbiriSoTroTroSiD
885211145
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Unioninae **       

Hoeh et al., 2002 [Publ 2673], fig. 1-F

iTtTbiriSoTroTroSiD
886210045
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Pfeiffer et al., 2021 [Publ 4126], fig. 18

iTtTbiriSoTroTroSiD
887100053
1

Kondakov et al., 2018 [Publ 3914], fig. 5

iTtTbiriSoTroTroSiD
886100052
1

Marrone et al., 2019 [Publ 3907], fig. 1

iTtTbiriSoTroTroSiD
884100051
1

Lopes-Lima et al., 2020 [Publ 4080], fig. 13

iTtTbiriSoTroTroSiD
886122152
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Zhang et al., 2024 [Publ 4397], fig. 2

iTtTbiriSoTroTroSiD
886100052
1

Sheng et al., 2014 [Publ 3704], fig. 2

iTtTbiriSoTroTroSiD
886300047
  +-------------- Cristariina **  
--+                            
  |  +----------- Alasmidontina **
  +--+                         
     |  +-------- Lampsilis **    
     +--+                      
        |  +----- Gonideinae **   
        +--+                   
           |  +-- Venustaconcha **
           +--+                
              +-- Quadrulini **   

Tomilova et al., 2020 [Publ 4097], fig. 3

iTtTbiriSoTroTroSiD
885100050
1

Zieritz et al., 2024 [Publ 4381], fig. 8A

iTtTbiriSoTroTroSiD
886100051
1

Froufe et al., 2015 [Publ 3664], fig. 1-M

iTtTbiriSoTroTroSiD
886300047
  +----- Unioninae ** 
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Gonideinae **

Soroka, 2010 [Publ 3404], fig. 5a

iTtTbiriSoTroTroSiD
886100050
1

Bauer et al., 2021 [Publ 4365], fig. 2

iTtTbiriSoTroTroSiD
885100052
1

Bespalaya et al., 2018 [Publ 3811], fig. 3

iTtTbiriSoTroTroSiD
887122153
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Klishko et al., 2018 [Publ 3945], fig. 8

iTtTbiriSoTroTroSiD
885100051
1

Soroka, 2010 [Publ 3404], fig. 5b

iTtTbiriSoTroTroSiD
885100050
1

Chase et al., 2018 [Publ 3847], fig. 5

iTtTbiriSoTroTroSiD
886321151
  +----- Gonideinae **
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Unioninae ** 

Pfeiffer et al., 2021 [Publ 4126], fig. 30

iTtTbiriSoTroTroSiD
775100051
1

Zieritz et al., 2012 [Publ 3673], fig. 4

iTtTbiriSoTroTroSiD
784111150
  +----- Anodontina **      
  |                      
--+  +-- Cristariina **     
  |  |                   
  +--+-- Margaritiferidae
     |                   
     +-- Unionini **        

Serb, 2006 [Publ 2678], fig. 4

iTtTbiriSoTroTroSiD
778100048
1

Chen et al., 2012 [Publ 3624], fig. 4

iTtTbiriSoTroTroSiD
775300048
  +----- Ambleminae **
--+                
  |  +-- Unioninae ** 
  +--+             
     +-- Gonideinae **

Serb, 2006 [Publ 2678], fig. 2

iTtTbiriSoTroTroSiD
777100048
1

Serb, 2006 [Publ 2678], fig. 3

iTtTbiriSoTroTroSiD
778100048
1

Jones & Neves, 2010 [Publ 2646], fig. 17

iTtTbiriSoTroTroSiD
771100050
1

Lopes-Lima et al., 2020 [Publ 4080], fig. 5

iTtTbiriSoTroTroSiD
775122151
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Buhay et al., 2002 [Publ 2661], fig. 2A

iTtTbiriSoTroTroSiD
773100049
1

Soroka & Burzynski, 2018 [Publ 3762], fig. 3-M

iTtTbiriSoTroTroSiD
775200046
  +-- Ambleminae **
--+             
  +-- Unioninae ** 

Soroka, 2010 [Publ 3404], fig. 4

iTtTbiriSoTroTroSiD
775100049
1

Serb & Barnhart, 2008 [Publ 2674], fig. 4

iTtTbiriSoTroTroSiD
779100048
1

Soroka, 2010 [Publ 3404], fig. 2

iTtTbiriSoTroTroSiD
774100049
1

Jones & Neves, 2010 [Publ 2646], fig. 16

iTtTbiriSoTroTroSiD
775100050
1

Lopes-Lima et al., 2021 [Publ 4217], fig. 6

iTtTbiriSoTroTroSiD
775100050
1

Buhay et al., 2002 [Publ 2661], fig. 2B

iTtTbiriSoTroTroSiD
775100049
1

Soroka & Burzynski, 2018 [Publ 3762], fig. 3

iTtTbiriSoTroTroSiD
775200046
  +-- Ambleminae **
--+             
  +-- Unioninae ** 

Froufe et al., 2016 [Publ 3727], fig. 3_4

iTtTbiriSoTroTroSiD
773100051
1

Hoeh et al., 1995 [Publ 3391], fig. 2

iTtTbiriSoTroTroSiD
774100050
1

Smith et al., 2023 [Publ 4291], fig. 2

iTtTbiriSoTroTroSiD
775100050
1

Serb & Barnhart, 2008 [Publ 2674], fig. 3

iTtTbiriSoTroTroSiD
7710100048
1

Goncalves et al., 2022 [Publ 4253], fig. 2

iTtTbiriSoTroTroSiD
776100051
1

Pfeiffer et al., 2018 [Publ 3827], fig. 1

iTtTbiriSoTroTroSiD
773100050
1

Guerra et al., 2017 [Publ 3772], fig. 2b-M

iTtTbiriSoTroTroSiD
663321146
  +----- Margaritiferidae
  |                      
--+  +-- Gonideinae **      
  |  |                   
  +--+-- Unioninae **       
     |                   
     +-- Ambleminae **      

Riccardi et al., 2020 [Publ 4089], fig. 1

iTtTbiriSoTroTroSiD
664100050
1

Källersjö et al., 2005 [Publ 2684], fig. 1A

iTtTbiriSoTroTroSiD
672111148
  +-- Margaritiferidae
  |                   
--+-- Anodontini **      
  |                   
  +-- Unionini **        

Soroka, 2010 [Publ 3404], fig. 8b

iTtTbiriSoTroTroSiD
664100048
1

Lopes-Lima et al., 2020 [Publ 4080], fig. 12

iTtTbiriSoTroTroSiD
664122150
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Kandl et al., 2001 [Publ 3384], fig. 4

iTtTbiriSoTroTroSiD
664100048
1

Soroka, 2010 [Publ 3404], fig. 3a-M

iTtTbiriSoTroTroSiD
664100048
1

Keogh & Simons, 2019 [Publ 3935], fig. 4

iTtTbiriSoTroTroSiD
666100051
1

Källersjö et al., 2005 [Publ 2684], fig. 1B-F

iTtTbiriSoTroTroSiD
674111148
  +-- Margaritiferidae
  |                   
--+-- Anodontini **      
  |                   
  +-- Unionini **        

Wen et al., 2017 [Publ 3795], fig. 3-M

iTtTbiriSoTroTroSiD
664200046
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Klishko et al., 2017 [Publ 3946], fig. 8

iTtTbiriSoTroTroSiD
664100049
1

Dai et al., 2024 [Publ 4358], fig. 3

iTtTbiriSoTroTroSiD
664100050
1

Graf, 2000 [Publ 2647], fig. 1

iTtTbiriSoTroTroSiD
615133111156.5
  +-------------------- Margaritiferidae
  |                                     
  |           +-------- Unionini **        
--+  +--------+                         
  |  |        |  +----- Pleurobemini **    
  |  |        +--+                      
  |  |           |  +-- Anodontini **      
  +--+           +--+                   
     |              +-- Lampsilini **      
     |                                  
     |  +-------------- Parreysiini **     
     |  |                               
     +--+  +----------- Coelaturini **     
        |  |                            
        +--+  +-------- Hyriidae        
           |  |                         
           +--+  +----- Iridinidae      
              |  |                      
              +--+  +-- Anodontitinae   
                 |  |                   
                 +--+-- Mycetopodinae   
                    |                   
                    +-- Etheriidae      

Soroka, 2010 [Publ 3404], fig. 8a

iTtTbiriSoTroTroSiD
664100048
1

Amaro et al., 2017 [Publ 3791], fig. 3B-M

iTtTbiriSoTroTroSiD
664311149
  +----------- Margaritiferidae
--+                            
  |  +-------- Quadrulini **      
  +--+                         
     |  +----- Lampsilini **      
     +--+                      
        |  +-- Unioninae **       
        +--+                   
           +-- Gonideinae **      

Zieritz et al., 2016 [Publ 3804], fig. S2-1

iTtTbiriSoTroTroSiD
663100050
1

Guerra et al., 2017 [Publ 3772], fig. 2a-M

iTtTbiriSoTroTroSiD
663321146
  +----- Margaritiferidae
  |                      
--+  +-- Gonideinae **      
  |  |                   
  +--+-- Unioninae **       
     |                   
     +-- Ambleminae **      

Freeman et al., 2025 [Publ 4443], fig. 2

iTtTbiriSoTroTroSiD
665100050
1

Huang et al., 2013 [Publ 3629], fig. 3-M

iTtTbiriSoTroTroSiD
664300045
  +----- Unioninae ** 
--+                
  |  +-- Gonideinae **
  +--+             
     +-- Ambleminae **

Wei et al., 2016 [Publ 3665], fig. 0

iTtTbiriSoTroTroSiD
662300048
  +----- Gonideinae **   
  |                   
--+  +-- Cristariina **  
  |  |                
  |  +-- Lampsilini **   
  +--+                
     +-- Alasmidontina **
     |                
     +-- Quadrulini **   

Gomes-dos-Santos et al., 2019 [Publ 4042], fig. 8

iTtTbiriSoTroTroSiD
664100050
1

Lopes-Lima et al., 2020 [Publ 4080], fig. 7

iTtTbiriSoTroTroSiD
664122150
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Amaro et al., 2017 [Publ 3791], fig. 3A-M

iTtTbiriSoTroTroSiD
664311149
  +----------- Margaritiferidae
--+                            
  |  +-------- Quadrulini **      
  +--+                         
     |  +----- Gonideinae **      
     +--+                      
        |  +-- Lampsilini **      
        +--+                   
           +-- Unioninae **       

Moyer & Díaz-Ferguson, 2012 [Publ 3375], fig. 3

iTtTbiriSoTroTroSiD
665200048
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Soroka, 2010 [Publ 3404], fig. 3b-M

iTtTbiriSoTroTroSiD
664100048
1

Lopes-Lima et al., 2020 [Publ 4080], fig. 16

iTtTbiriSoTroTroSiD
665122150
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

King et al., 1999 [Publ 2699], fig. 4

iTtTbiriSoTroTroSiD
663100047
1

Bolotov et al., 2016 [Publ 3732], fig. 2

iTtTbiriSoTroTroSiD
665122151
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Huang et al., 2018 [Publ 3828], fig. 3_5

iTtTbiriSoTroTroSiD
66442312150
  +----------- Margaritiferidae
--+                            
  |  +-------- Gonideinae **      
  +--+                         
     |  +----- Unioninae **       
     +--+                      
        |  +-- Ambleminae **      
        +--+                   
           +-- Parreysiinae **    

Bogan et al., 2023 [Publ 4295], fig. 4

iTtTbiriSoTroTroSiD
664111150
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Mejia-Trujillo & Smith, 2022 [Publ 4274], fig. 2-M

iTtTbiriSoTroTroSiD
664100048
1

Choi et al., 2020 [Publ 4169], fig. 3a

iTtTbiriSoTroTroSiD
665100049
1

Mabuchi et al., 2021 [Publ 4233], fig. 1

iTtTbiriSoTroTroSiD
553100049
1

Lopes-Lima et al., 2021 [Publ 4217], fig. 14

iTtTbiriSoTroTroSiD
554100048
1

Dyduch-Falniowska & Koziol, 1989 [Publ 3814], fig. 5_7

iTtTbiriSoTroTroSiD
553100047
1

Nagel et al., 1998 [Publ 1946], fig. 7

iTtTbiriSoTroTroSiD
554100049
1

Bogan et al., 2023 [Publ 4295], fig. 5

iTtTbiriSoTroTroSiD
553111149
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Nagel et al., 1998 [Publ 1946], fig. 9

iTtTbiriSoTroTroSiD
553211146.5
  +-------- Margaritiferidae
--+                         
  |  +----- Lamprotulini **    
  +--+                      
     |  +-- Gonideini **       
     +--+                   
        +-- Unioninae **       

Prie et al., 2012 [Publ 3487], fig. 2

iTtTbiriSoTroTroSiD
553111148
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Bolotov et al., 2022 [Publ 4250], fig. S3

iTtTbiriSoTroTroSiD
553100049
1

Nagel et al., 1996 [Publ 3400], fig. 351

iTtTbiriSoTroTroSiD
554100049
1

Konopleva et al., 2017 [Publ 3807], fig. 5

iTtTbiriSoTroTroSiD
553100049
1

Bogatov et al., 2018 [Publ 3859], fig. 2

iTtTbiriSoTroTroSiD
553111147
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Jones et al., 2006 [Publ 2681], fig. 2

iTtTbiriSoTroTroSiD
554100048
1

Krebs, 2004 [Publ 2692], fig. 2

iTtTbiriSoTroTroSiD
553200043
  +-------- Quadrulini **  
--+                     
  |  +----- Unioninae **   
  +--+                  
     |  +-- Lampsilini **  
     +--+               
        +-- Pleurobemini **

Mulvey et al., 1997 [Publ 3390], fig. 1_3

iTtTbiriSoTroTroSiD
553200046
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Buhay et al., 2002 [Publ 2661], fig. 1

iTtTbiriSoTroTroSiD
553100048
1

Cyr et al., 2007 [Publ 2745], fig. 2C

iTtTbiriSoTroTroSiD
554100048
1

Lopes-Lima et al., 2020 [Publ 4080], fig. 8

iTtTbiriSoTroTroSiD
553122149
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Krebs et al., 2013 [Publ 3515], fig. 2A

iTtTbiriSoTroTroSiD
553100048
1

Zanatta & Harris, 2013 [Publ 3530], fig. 2

iTtTbiriSoTroTroSiD
553200047
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Cyr et al., 2007 [Publ 2745], fig. 2B

iTtTbiriSoTroTroSiD
554100048
1

Soroka, 2005 [Publ 2726], fig. 3

iTtTbiriSoTroTroSiD
553200045
  +-- Gonideinae **
--+             
  +-- Unioninae ** 

Bashê, 2022 [Publ 4265], fig. 1

iTtTbiriSoTroTroSiD
554111149
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Saxon et al., 2023 [Publ 4338], fig. 4

iTtTbiriSoTroTroSiD
553100048
1

Lane et al., 2016 [Publ 3735], fig. 3

iTtTbiriSoTroTroSiD
551100049
1

Bogatov et al., 2018 [Publ 3859], fig. 1

iTtTbiriSoTroTroSiD
553111147
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Soroka, 2010 [Publ 3404], fig. 9a

iTtTbiriSoTroTroSiD
553100049
1

Cyr et al., 2007 [Publ 2745], fig. 2A

iTtTbiriSoTroTroSiD
553200047
  +-- Ambleminae **
--+             
  +-- Unioninae ** 

Soroka, 2010 [Publ 3404], fig. 2-M

iTtTbiriSoTroTroSiD
553100047
1

Sayenko et al., 2017 [Publ 3760], fig. 3

iTtTbiriSoTroTroSiD
442100048
1

Krebs, 2004 [Publ 2692], fig. 2-M

iTtTbiriSoTroTroSiD
442200042
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Lopes-Lima et al., 2020 [Publ 4080], fig. 17

iTtTbiriSoTroTroSiD
443122148
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Soroka, 2008 [Publ 3695], fig. 1-M

iTtTbiriSoTroTroSiD
442200045
  +-- Ambleminae **
--+             
  +-- Unioninae ** 

Soroka, 2010 [Publ 3404], fig. 9b

iTtTbiriSoTroTroSiD
442100048
1

Bulakhova et al., 2023 [Publ 4325], fig. 5

iTtTbiriSoTroTroSiD
442100048
1

Patterson et al., 2021 [Publ 4222], fig. 3

iTtTbiriSoTroTroSiD
442100046
1

Graf & Ó Foighil, 2000 [Publ 2649], fig. 1_2

iTtTbiriSoTroTroSiD
442271142
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Froufe et al., 2017 [Publ 3802], fig. 2

iTtTbiriSoTroTroSiD
442100048
1

Gangloff et al., 2013 [Publ 3551], fig. 2

iTtTbiriSoTroTroSiD
442100047
1

Soroka, 2010 [Publ 3404], fig. 9c

iTtTbiriSoTroTroSiD
443100048
1

Johnson et al., 2023 [Publ 4323], fig. 3

iTtTbiriSoTroTroSiD
442100047
1

Gustafson & Iwamoto, 2005 [Publ 2741], fig. 2

iTtTbiriSoTroTroSiD
442211146
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Curole & Kocher, 2002 [Publ 2712], fig. 1a-M

iTtTbiriSoTroTroSiD
442200047
  +----- Quadrulini **
--+                
  |  +-- Unioninae ** 
  +--+             
     +-- Lampsilini **

Pfeiffer et al., 2018 [Publ 3835], fig. 2

iTtTbiriSoTroTroSiD
442100047
1

Burzynski & Soroka, 2018 [Publ 3862], fig. 3

iTtTbiriSoTroTroSiD
442100047
1

Plazzi & Passamonti, 2010 [Publ 3354], fig. 2-3

iTtTbiriSoTroTroSiD
441300047
  +-- Unioninae ** 
  |             
--+-- Ambleminae **
  |             
  +-- Gonideinae **

Bolotov et al., 2016 [Publ 3743], fig. 4

iTtTbiriSoTroTroSiD
44222610145
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Unioninae **       

Klishko et al., 2014 [Publ 3666], fig. 8

iTtTbiriSoTroTroSiD
442100048
1

Curole & Kocher, 2002 [Publ 2712], fig. 1b-M

iTtTbiriSoTroTroSiD
442200047
  +----- Lampsilini **
--+                
  |  +-- Unioninae ** 
  +--+             
     +-- Quadrulini **

Mezhzherin et al., 2014 [Publ 3705], fig. 4

iTtTbiriSoTroTroSiD
442100048
1

Lopes-Lima et al., 2021 [Publ 4217], fig. 11

iTtTbiriSoTroTroSiD
442100048
1

Bolotov et al., 2016 [Publ 3743], fig. 2

iTtTbiriSoTroTroSiD
44222610145
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Unioninae **       

Lopes-Lima et al., 2020 [Publ 4080], fig. 9

iTtTbiriSoTroTroSiD
442122148
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Cyr et al., 2007 [Publ 2745], fig. 2D

iTtTbiriSoTroTroSiD
442100047
1

Klishko et al., 2016 [Publ 3733], fig. 1

iTtTbiriSoTroTroSiD
442100048
1

Soroka, 2008 [Publ 3695], fig. 1

iTtTbiriSoTroTroSiD
442200045
  +-- Ambleminae **
--+             
  +-- Unioninae ** 

Jiang et al., 2010 [Publ 3438], fig. 5

iTtTbiriSoTroTroSiD
441300047
  +-- Ambleminae **
  |             
--+-- Unioninae ** 
  |             
  +-- Gonideinae **

Nagel et al., 1998 [Publ 1946], fig. 8

iTtTbiriSoTroTroSiD
441100047
1

Lopes-Lima et al., 2020 [Publ 4080], fig. 14

iTtTbiriSoTroTroSiD
442122148
  +-- Margaritiferidae
--+                   
  +-- Gonideinae **      

Mezhzherin et al., 2014 [Publ 3705], fig. 2

iTtTbiriSoTroTroSiD
442100048
1

Smith & Johnson, 2020 [Publ 4229], fig. 2

iTtTbiriSoTroTroSiD
331100047
1

Soroka, 2010 [Publ 3404], fig. 8a-M

iTtTbiriSoTroTroSiD
331100045
1

Huff et al., 2004 [Publ 2697], fig. 4

iTtTbiriSoTroTroSiD
331287145
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Unioninae **       

Soroka, 2010 [Publ 3404], fig. 8b-M

iTtTbiriSoTroTroSiD
331100045
1

Metzger et al., 2018 [Publ 3952], fig. 1C

iTtTbiriSoTroTroSiD
331200044
  +-- Unioninae ** 
--+             
  +-- Ambleminae **

Hoeh et al., 1996 [Publ 2694], fig. 2

iTtTbiriSoTroTroSiD
331210044
     +-- None__1   
  +--+             
  |  +-- None__2   
--+                
  |  +-- Ambleminae **
  +--+             
     +-- Unioninae ** 

Xia et al., 2016 [Publ 3712], fig. 7B

iTtTbiriSoTroTroSiD
331200046
  +----- Sinanodonta **
--+                 
  |  +-- Cristaria **  
  +--+              
     +-- Gonideinae ** 

Huff et al., 2004 [Publ 2697], fig. 2

iTtTbiriSoTroTroSiD
331297145
  +----- Margaritiferidae
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Unioninae **       

Marshall et al., 2014 [Publ 3593], fig. 1

iTtTbiriSoTroTroSiD
314122111145.5
     +-- Margaritiferidae
  +--+                   
  |  +-- Unioninae **       
--+                      
  |  +-- Ambleminae **      
  +--+                   
     +-- Hyriidae        

Combosch et al., 2017 [Publ 3806], fig. 1

iTtTbiriSoTroTroSiD
3313121146
  +----- Unioninae **   
--+                  
  |  +-- Ambleminae **  
  +--+               
     +-- Parreysiinae **

Peng et al., 2012 [Publ 3689], fig. 1

iTtTbiriSoTroTroSiD
331200046
  +-- Unioninae ** 
--+             
  +-- Gonideinae **

Lopes-Lima et al., 2016 [Publ 3757], fig. 1

iTtTbiriSoTroTroSiD
331100047
1

Wang et al., 2016 [Publ 3714], fig. 2

iTtTbiriSoTroTroSiD
331200046
  +-- Unioninae ** 
--+             
  +-- Gonideinae **

Huff et al., 2004 [Publ 2697], fig. 5-6

iTtTbiriSoTroTroSiD
330297146
  +----- Margaritiferidae
  |                      
--+  +-- Unionini **        
  |  |                   
  +--+-- Anodontini **      
     |                   
     +-- Ambleminae **      

Zieritz et al., 2024 [Publ 4381], fig. 6A

iTtTbiriSoTroTroSiD
331100047
1

Lopes-Lima et al., 2018 [Publ 3829], fig. 3

iTtTbiriSoTroTroSiD
33132514146
  +-------- Margaritiferidae
--+                         
  |  +----- Gonideinae **      
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Unioninae **       

Froufe et al., 2014 [Publ 3592], fig. 2

iTtTbiriSoTroTroSiD
331100047
1

Kilikowska et al., 2020 [Publ 4335], fig. 4a

iTtTbiriSoTroTroSiD
331100047
1

Krebs et al., 2019 [Publ 4092], fig. 4

iTtTbiriSoTroTroSiD
331100046
1

Curole & Kocher, 2002 [Publ 2712], fig. 1-F

iTtTbiriSoTroTroSiD
331111145
  +-- Margaritiferidae
--+                   
  +-- Ambleminae **      

Imsong & Murali, 2023 [Publ 4370], fig. 2

iTtTbiriSoTroTroSiD
331100047
1

Gomes-dos-Santos et al., 2019 [Publ 3943], fig. 1

iTtTbiriSoTroTroSiD
331277145
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Zhang et al., 2013 [Publ 4214], fig. 5

iTtTbiriSoTroTroSiD
342211147
  +-------- Cristaria **       
--+                         
  |  +----- Sinanodonta **     
  +--+                      
     |  +-- Margaritiferidae
     +--+                   
        +-- Gonideinae **      

Lopes-Lima et al., 2018 [Publ 3829], fig. 1

iTtTbiriSoTroTroSiD
33132514146
  +-------- Margaritiferidae
--+                         
  |  +----- Gonideinae **      
  +--+                      
     |  +-- Ambleminae **      
     +--+                   
        +-- Unioninae **       

Shirai et al., 2010 [Publ 3353], fig. 4

iTtTbiriSoTroTroSiD
331100047
1

Hinzmann et al., 2013 [Publ 3541], fig. 5

iTtTbiriSoTroTroSiD
331100047
1

Combosch et al., 2017 [Publ 3806], fig. 2

iTtTbiriSoTroTroSiD
3313121146
  +-------- Margaritiferidae
--+                         
  |  +----- Unioninae **       
  +--+                      
     |  +-- Parreysiinae **    
     +--+                   
        +-- Ambleminae **      

Gomes-dos-Santos et al., 2019 [Publ 3943], fig. 1-M

iTtTbiriSoTroTroSiD
331233145
  +----- Margaritiferidae
--+                      
  |  +-- Gonideinae **      
  +--+                   
     +-- Unioninae **       

Giribet & Distel, 2003 [Publ 3670], fig. 3f5

iTtTbiriSoTroTroSiD
330231146
  +----- Margaritiferidae
  |                      
--+  +-- Pleurobemini **    
  |  |                   
  +--+-- Lampsilini **      
     |                   
     +-- Unioninae **       

Mock et al., 2004 [Publ 2686], fig. 4

iTtTbiriSoTroTroSiD
2201000--
1

Campbell, 2000 [Publ 2724], fig. 1-5

iTtTbiriSoTroTroSiD
2202111--
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Vikhrev et al., 2018 [Publ 3812], fig. 3

iTtTbiriSoTroTroSiD
220211111--
  +----- Margaritiferidae
--+                      
  |  +-- Unioninae **       
  +--+                   
     +-- Ambleminae **      

Hoeh et al., 1998 [Publ 2695], fig. 3

iTtTbiriSoTroTroSiD
230231145
  +----- Unioninae **       
--+                      
  |  +-- Margaritiferidae
  +--+                   
     +-- Ambleminae **      

Soroka, 2010 [Publ 3404], fig. 4-M

iTtTbiriSoTroTroSiD
2201000--
1

Hoeh et al., 1998 [Publ 2695], fig. 4

iTtTbiriSoTroTroSiD
230231145
  +----- Ambleminae **      
--+                      
  |  +-- Margaritiferidae
  +--+                   
     +-- Unioninae **       

Soroka, 2010 [Publ 3404], fig. 5b-M

iTtTbiriSoTroTroSiD
2201000--
1

Plazzi & Passamonti, 2010 [Publ 3354], fig. 1

iTtTbiriSoTroTroSiD
2202000--
  +-- Gonideinae **
--+             
  +-- Ambleminae **

Soroka, 2010 [Publ 3404], fig. 5a-M

iTtTbiriSoTroTroSiD
2201000--
1

Xue et al., 2016 [Publ 3659], fig. 1-M

iTtTbiriSoTroTroSiD
2201000--
1

Taylor et al., 2007 [Publ 2696], fig. 1-3

iTtTbiriSoTroTroSiD
2201211--
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Mock et al., 2004 [Publ 2686], fig. 3

iTtTbiriSoTroTroSiD
2201000--
1

Machordom et al., 2003 [Publ 2688], fig. 3

iTtTbiriSoTroTroSiD
1101331--
  +-- Gonideinae **      
--+                   
  +-- Margaritiferidae

Välilä et al., 2017 [Publ 3793], fig. 2

iTtTbiriSoTroTroSiD
1101221--
  +-- Gonideinae **      
--+                   
  +-- Margaritiferidae

González & Giribet, 2015 [Publ 3632], fig. 4

iTtTbiriSoTroTroSiD
1101511--
  +-- Unioninae **       
--+                   
  +-- Margaritiferidae

Baker et al., 2004 [Publ 2685], fig. 2-3

iTtTbiriSoTroTroSiD
1101800--
-- Epioblasma_triquetra **

Bolotov et al., 2015 [Publ 3646], fig. 2B

iTtTbiriSoTroTroSiD
1101881--
  +-- Unioninae **       
--+                   
  +-- Margaritiferidae

González & Giribet, 2015 [Publ 3632], fig. 2

iTtTbiriSoTroTroSiD
1101511--
-- Unio_pictorum **

González & Giribet, 2015 [Publ 3632], fig. 6

iTtTbiriSoTroTroSiD
1101511--
-- Unio_pictorum **

Bieler et al., 2014 [Publ 3622], fig. 26_27_29_30

iTtTbiriSoTroTroSiD
1101411--
-- Unio_pictorum **

Araujo et al., 2009 [Publ 2395], fig. 3

iTtTbiriSoTroTroSiD
1101771--
  +-- Unioninae **       
--+                   
  +-- Margaritiferidae

Huff et al., 2004 [Publ 2697], fig. 3

iTtTbiriSoTroTroSiD
1101761--
  +-- Unioninae **       
--+                   
  +-- Margaritiferidae

Bolotov et al., 2015 [Publ 3646], fig. 2A

iTtTbiriSoTroTroSiD
1101881--
  +-- Unioninae **       
--+                   
  +-- Margaritiferidae

Inoue et al., 2013 [Publ 3579], fig. 3

iTtTbiriSoTroTroSiD
1101881--
  +-- Unioninae **       
--+                   
  +-- Margaritiferidae

Klunzinger et al., 2021 [Publ 4086], fig. 2

iTtTbiriSoTroTroSiD
1101511--
  +-- Margaritiferidae
--+                   
  +-- Unioninae **       

Lemer et al., 2019 [Publ 4093], fig. 1

iTtTbiriSoTroTroSiD
1101511--
  +-- Margaritiferidae
--+                   
  +-- Ambleminae **      

Takeuchi et al., 2015 [Publ 3661], fig. 3

iTtTbiriSoTroTroSiD
1101981--
  +-- Ambleminae **      
--+                   
  +-- Margaritiferidae

Bieler et al., 2014 [Publ 3622], fig. 28

iTtTbiriSoTroTroSiD
1101411--
-- Unio_pictorum **

Baker et al., 2003 [Publ 2690], fig. 5

iTtTbiriSoTroTroSiD
1101700--
-- Epioblasma_triquetra **

Araujo et al., 2016 [Publ 3746], fig. 1_2b

iTtTbiriSoTroTroSiD
110112111--
  +-- Gonideinae **      
--+                   
  +-- Margaritiferidae

Takeuchi et al., 2015 [Publ 3661], fig. 2

iTtTbiriSoTroTroSiD
1101981--
  +-- Ambleminae **      
--+                   
  +-- Margaritiferidae

Graf et al., 2015 [Publ 3619], fig. 1

iTtTbiriSoTroTroSiD
11011911--
  +-- Unioninae **       
--+                   
  +-- Margaritiferidae

Machordom et al., 2003 [Publ 2688], fig. 2

iTtTbiriSoTroTroSiD
1101221--
  +-- Gonideinae **      
--+                   
  +-- Margaritiferidae

González & Giribet, 2015 [Publ 3632], fig. 3

iTtTbiriSoTroTroSiD
1101511--
-- Unio_pictorum **
 
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