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Page last updated
Thu 3 September 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!

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Bivalvia | Unionida | Unionoidea | Unionidae

subfamily PARREYSIINAE Henderson, 1935: cladomics
     5 tribes

Cladomics Summary

number of species = 108 (114 total)
number of subtaxa (rank: tribe) = 5
analyzed in 97 cladograms in 60 publications
maximum number of terminals in an analysis = 84 (mean = 12.6, median = 3)
maximum number of subtaxa (tribe) = 5 (mean = 2.53, median = 2)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 63
maximum number of included terminals = 84, (mean = 18.86 median = 10)
maximum number of subtaxa (tribe) = 5 (mean = 3.35, median = 3)
proportion of cladograms that support basic monophyly = 0.95

Rigorous Monophyly

number of cladograms that test rigorous monophyly = 46
(Rigorous monophyly refers to cladograms with terminal species representing more than one subtaxon (tribe) taxon and at least one rigorous outgroup (family).
maximum number of included terminals = 84 (mean = 19.83, median = 9.5)
maximum number of subtaxa (tribe) = 5 (mean = 3.76, median = 4)
proportion of cladograms that support rigorous monophyly = 0.96


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


Campbell & Lydeard, 2026 [Publ 4810], fig. 6-14

** Top Monophyly Cladogram ** ** Top Sister-Group Cladogram **

iTtTbiriSoTroTroSiD
848691554848330
        +-------------------------------- Lamellidens **                 
        |                                                             
  +-----+                             +-- Balwantia **                   
  |     |  +--------------------------+                               
  |     |  |                          +-- Trapezidens **                 
  |     +--+                                                          
  |        |  +-------------------------- Leoparreysiini **              
  |        |  |                                                       
  |        +--+  +----------------------- Pseudomulleria              
  |           |  |                                                    
  |           |  |                    +-- Parreysiini **                 
  |           +--+  +-----------------+                               
  |              |  |                 +-- Coelaturini **                 
  |              |  |                                                 
  |              +--+                 +-- Pseudoscabies **               
  |                 |  +--------------+                               
  |                 |  |              +-- Indonaia **                    
  |                 +--+                                              
  |                    |  +-------------- Indochinella **                
  |                    |  |                                           
  |                    +--+  +----------- Radiatula **                   
--+                       |  |                                        
  |                       +--+        +-- Gonideinae                  
  |                          |  +-----+                               
  |                          |  |     +-- Unionetta_fabagina__2 **       
  |                          +--+                                     
  |                             |  +----- Harmandia **                   
  |                             +--+                                  
  |                                |  +-- Unionetta_fabagina__1 **       
  |                                +--+                               
  |                                   +-- Scabies **                     
  |                                                                   
  |                                +----- Amuranodonta                
  |  +-----------------------------+                                  
  |  |                             |  +-- Anemina                     
  |  |                             +--+                               
  |  |                                +-- Buldowskia                  
  |  |                                                                
  |  |                                +-- Beringiana                  
  |  |                          +-----+                               
  |  |                          |     +-- Pletholophus                
  +--+  +-----------------------+                                     
     |  |                       |  +----- Mimo                        
     |  |                       +--+                                  
     |  |                          |  +-- Acudonta                    
     |  |                          +--+                               
     |  |                             +-- Sinanodonta                 
     |  |                                                             
     |  |  +----------------------------- Cristaria                   
     +--+  |                                                          
        |  |           +----------------- Lepidodesmini               
        |  |           |                                              
        |  |           |     +----------- Lanceolariini               
        |  |           |  +--+                                        
        |  |  +--------+  |  |  +-------- Pseudoacuticosta_retiaria__2
        |  |  |        |  |  +--+                                     
        |  |  |        |  |     |  +----- Acuticosta_chinensis__2     
        +--+  |        |  |     +--+                                  
           |  |        +--+        |  +-- Acuticosta_chinensis__1     
           |  |           |        +--+                               
           |  |           |           +-- Pseudoacuticosta_retiaria__1
           |  |           |                                           
           |  |           |  +----------- Globunio                    
           |  |           +--+                                        
           |  |              |  +-------- Aculamprotulina             
           |  |              +--+                                     
           +--+                 |  +----- Middendorffinaiina          
              |                 +--+                                  
              |                    |  +-- Unionina                    
              |                    +--+                               
              |                       +-- Oxynaiina                   
              |                                                       
              |                 +-------- Pseudodontoideus            
              |  +--------------+                                     
              |  |              |  +----- Lasmigona                   
              |  |              +--+                                  
              |  |                 |  +-- Pterosyna                   
              |  |                 +--+                               
              +--+                    +-- Arcidens                    
                 |                                                    
                 |  +-------------------- Anodontina                  
                 |  |                                                 
                 |  |     +-------------- Utterbackia                 
                 |  |  +--+                                           
                 +--+  |  |  +----------- Pyganodon_grandis           
                    |  |  +--+                                        
                    |  |     |  +-------- Pyganodon_lacustris         
                    |  |     +--+                                     
                    |  |        |  +----- Pyganodon_cataracta__2      
                    +--+        +--+                                  
                       |           |  +-- Pyganodon_cataracta__1      
                       |           +--+                               
                       |              +-- Ambleminae                  
                       |                                              
                       |  +-------------- Utterbackiana               
                       |  |                                           
                       +--+  +----------- Simpsonaias                 
                          |  |                                        
                          |  |        +-- Alasminota                  
                          +--+  +-----+                               
                             |  |     +-- Alasmidonta                 
                             |  |                                     
                             +--+     +-- Prolasmidonta               
                                |  +--+                               
                                |  |  +-- Platynaias                  
                                +--+                                  
                                   |  +-- Anodontoides                
                                   +--+                               
                                      +-- Strophitus                  

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

iTtTbiriSoTroTroSiD
626260511177
  +-------------- Gonideinae    
  |                             
--+  +----------- Parreysia **     
  |  |                          
  +--+        +-- Leoparreysiini **
     |  +-----+                 
     |  |     +-- Lamellidentini **
     +--+                       
        |  +----- Assamnaia **     
        +--+                    
           |  +-- Coelaturini **   
           +--+                 
              +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
626260500091
  +-------- Lamellidentini **
  |                       
--+     +-- Leoparreysiini **
  |  +--+                 
  |  |  +-- Parreysiini **   
  +--+                    
     |  +-- Coelaturini **   
     +--+                 
        +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
575753544196
  +-------------- Gonideinae    
--+                             
  |  +----------- Lamellidentini **
  +--+                          
     |  +-------- Parreysiini **   
     +--+                       
        |  +----- Leoparreysiini **
        +--+                    
           |  +-- Coelaturini **   
           +--+                 
              +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
575747544186
  +-------------- Gonideinae    
--+                             
  |  +----------- Parreysiini **   
  +--+                          
     |  +-------- Lamellidentini **
     +--+                       
        |  +----- Leoparreysiini **
        +--+                    
           |  +-- Coelaturini **   
           +--+                 
              +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
545452544179
  +-------------- Gonideinae    
--+                             
  |  +----------- Parreysiini **   
  +--+                          
     |  +-------- Lamellidentini **
     +--+                       
        |  +----- Leoparreysiini **
        +--+                    
           |  +-- Coelaturini **   
           +--+                 
              +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
545450544185
  +-------------- Gonideinae    
--+                             
  |  +----------- Lamellidentini **
  +--+                          
     |  +-------- Parreysiini **   
     +--+                       
        |  +----- Leoparreysiini **
        +--+                    
           |  +-- Coelaturini **   
           +--+                 
              +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
545452544183
  +----------- Gonideinae    
  |                          
--+  +-------- Lamellidentini **
  |  |                       
  +--+     +-- Parreysiini **   
     |  +--+                 
     |  |  +-- Leoparreysiini **
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
41413957671198
  +----------- Gonideinae    
  |                          
--+  +-------- Lamellidentini **
  |  |                       
  +--+     +-- Parreysiini **   
     |  +--+                 
     |  |  +-- Leoparreysiini **
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
40403757171198
  +----------- Gonideinae    
  |                          
--+  +-------- Lamellidentini **
  |  |                       
  +--+     +-- Parreysiini **   
     |  +--+                 
     |  |  +-- Leoparreysiini **
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
383828586863105
              +-------------- Pseudodontini           
              |                                       
  +-----------+  +----------- Rectidentini            
  |           |  |                                    
  |           |  |  +-------- Unioninae               
  |           +--+  |                                 
  |              |  |  +----- Ambleminae              
  |              |  |  |                              
  |              +--+  |  +-- Chamberlainia           
  |                 |  |  |                           
  |                 |  |  +-- Sinohyriopsis           
  |                 |  |  |                           
  |                 |  |  +-- Lamprotula_caveata      
  |                 +--+  |                           
  |                    |  +-- Lamprotula_leaii        
  |                    |  |                           
  |                    |  +-- Potomida                
  |                    |  |                           
  |                    |  +-- Pronodularia            
  |                    |  |                           
  |                    +--+-- Gonidea                 
  |                       |                           
  |                       +-- Leguminaia_wheatleyi    
--+                       |                           
  |                       +-- Leguminaia              
  |                       |                           
  |                       +-- Microcondylaea          
  |                       |                           
  |                       +-- Sinosolenaia_carinata   
  |                       |                           
  |                       +-- Sinosolenaia_oleivora   
  |                       |                           
  |                       +-- Sinosolenaia_recognita  
  |                                                   
  |           +-------------- Trapezidens **             
  |           |                                       
  |  +--------+  +----------- Lamellidens_lamellatus **  
  |  |        |  |                                    
  |  |        +--+  +-------- Lamellidens_jenkinsianus **
  |  |           |  |                                 
  |  |           |  |  +----- Lamellidens_generosus **   
  |  |           +--+  |                              
  |  |              |  +----- Lamellidens_mainwaringi ** 
  |  |              |  |                              
  |  |              +--+  +-- Lamellidens_ferrugineus ** 
  +--+                 +--+                           
     |                 |  +-- Lamellidens_marginalis **  
     |                 |                              
     |                 |  +-- Lamellidens_savadiensis ** 
     |                 +--+                           
     |                    +-- Lamellidens_corrianus__1 **
     |                                                
     |  +-------------------- Parreysiini **             
     |  |                                             
     +--+  +----------------- Leoparreysiini **          
        |  |                                          
        +--+  +-------------- Coelaturini **             
           |  |                                       
           |  |        +----- Indochinella **            
           +--+  +-----+                              
              |  |     |  +-- Scabies **                 
              |  |     +--+                           
              +--+        +-- Radiatula **               
                 |                                    
                 |  +-------- Indonaia_shurtleffiana **  
                 |  |                                 
                 +--+  +----- Indonaia_rugosa **         
                    |  |                              
                    |  |  +-- Indonaia_andersoniana **   
                    +--+--+                           
                       |  +-- Indonaia_caerulea **       
                       |                              
                       |  +-- Indonaia_bonneaudii **     
                       +--+                           
                          +-- Lamellidens_corrianus__2 **

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

iTtTbiriSoTroTroSiD
363622300095
  +----- Leoparreysiini **
--+                    
  |  +-- Indochinellini **
  +--+                 
     +-- Coelaturini **   

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

iTtTbiriSoTroTroSiD
363620300097
  +----- Leoparreysiini **
--+                    
  |  +-- Indochinellini **
  +--+                 
     +-- Coelaturini **   

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

iTtTbiriSoTroTroSiD
34343051661273100
           +----------- Lamellidentini ** 
  +--------+                           
  |        |  +-------- Parreysiini **    
  |        +--+                        
  |           |  +----- Leoparreysiini ** 
  |           +--+                     
--+              |  +-- Coelaturini **    
  |              +--+                  
  |                 +-- Indochinellini ** 
  |                                    
  |  +----------------- Unioninae      
  +--+                                 
     |  +-------------- Rectidentini   
     +--+                              
        |  +----------- Ambleminae     
        +--+                           
           |  +-------- Chamberlainiini
           +--+                        
              |  +----- Lamprotulini   
              +--+                     
                 |  +-- Gonideini      
                 +--+                  
                    +-- Pseudodontini  

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

iTtTbiriSoTroTroSiD
3434305164125395
           +----------- Lamellidentini ** 
  +--------+                           
  |        |  +-------- Parreysiini **    
  |        +--+                        
  |           |  +----- Leoparreysiini ** 
  |           +--+                     
--+              |  +-- Coelaturini **    
  |              +--+                  
  |                 +-- Indochinellini ** 
  |                                    
  |  +----------------- Pseudodontini  
  +--+                                 
     |  +-------------- Rectidentini   
     +--+                              
        |  +----------- Unioninae      
        +--+                           
           |  +-------- Chamberlainiini
           +--+                        
              |  +----- Ambleminae     
              +--+                     
                 |  +-- Lamprotulini   
                 +--+                  
                    +-- Gonideini      

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

iTtTbiriSoTroTroSiD
3434255166127395
        +-------- Parreysiini **       
        |                           
  +-----+-------- Lamellidentini **    
  |     |                           
  |     |  +----- Leoparreysiini **    
  |     +--+                        
  |        |  +-- Coelaturini **       
  |        +--+                     
  |           +-- Indochinellini **    
  |                                 
  |  +----------- Chamberlainia     
  |  |                              
  |  +----------- Megalonaias       
--+  |                              
  |  +----------- Uniomerus         
  |  |                              
  |  +----------- Quadrulina        
  |  |                              
  |  +----------- Sinohyriopsis     
  |  |                              
  |  +----------- Lamprotulini      
  |  |                              
  |  +----------- Gonideini         
  |  |                              
  +--+----------- Pseudodontini     
     |                              
     +----------- Rectidentini      
     |                              
     +----------- Unioninae         
     |                              
     |  +-------- Amblema           
     |  |                           
     |  +-------- Toxolasma         
     |  |                           
     |  +-------- Pleurobemini      
     |  |                           
     |  |     +-- Obliquaria        
     |  +-----+                     
     |  |     +-- Plectomerus       
     +--+                           
        |  +----- Ellipsaria        
        |  |                        
        |  +----- Potamilus_leptodon
        |  |                        
        |  +----- Medionidus        
        |  |                        
        |  +----- Potamilus_alatus  
        |  |                        
        |  +----- Ptychobranchus    
        +--+                        
           +----- Truncilla         
           |                        
           +----- Venustaconcha     
           |                        
           +----- Cambarunio        
           |                        
           +----- Leaunio           
           |                        
           |  +-- Ortmanniana       
           +--+                     
              +-- Lampsilis         

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

iTtTbiriSoTroTroSiD
292926510984394
                    +-- Parreysiini **    
              +-----+                  
              |     +-- Lamellidentini ** 
  +-----------+                        
  |           |  +----- Leoparreysiini ** 
  |           +--+                     
  |              |  +-- Coelaturini **    
--+              +--+                  
  |                 +-- Indochinellini ** 
  |                                    
  |  +----------------- Unioninae      
  +--+                                 
     |  +-------------- Rectidentini   
     +--+                              
        |  +----------- Ambleminae     
        +--+                           
           |  +-------- Pseudodontini  
           +--+                        
              |  +----- Gonideini      
              +--+                     
                 |  +-- Chamberlainiini
                 +--+                  
                    +-- Lamprotulini   

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

iTtTbiriSoTroTroSiD
292927510984395
           +----------- Lamellidentini ** 
  +--------+                           
  |        |  +-------- Parreysiini **    
  |        +--+                        
  |           |  +----- Leoparreysiini ** 
  |           +--+                     
--+              |  +-- Coelaturini **    
  |              +--+                  
  |                 +-- Indochinellini ** 
  |                                    
  |  +----------------- Rectidentini   
  +--+                                 
     |  +-------------- Pseudodontini  
     +--+                              
        |  +----------- Unioninae      
        +--+                           
           |  +-------- Ambleminae     
           +--+                        
              |  +----- Gonideini      
              +--+                     
                 |  +-- Chamberlainiini
                 +--+                  
                    +-- Lamprotulini   

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

iTtTbiriSoTroTroSiD
272725510099
  +----------- Lamellidentini **
--+                          
  |  +-------- Parreysiini **   
  +--+                       
     |  +----- Leoparreysiini **
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
24242255858395
     +----------- Lamellidentini **
  +--+                          
  |  |  +-------- Parreysiini **   
  |  +--+                       
  |     |  +----- Leoparreysiini **
  |     +--+                    
  |        |  +-- Coelaturini **   
--+        +--+                 
  |           +-- Indochinellini **
  |                             
  |  +----------- Pseudodontini 
  |  |                          
  |  |  +-------- Rectidentini  
  +--+  |                       
     |  |  +----- Unioninae     
     |  |  |                    
     +--+  |  +-- Lamprotula    
        |  |  |                 
        |  |  +-- Potomida      
        |  |  |                 
        |  |  +-- Pronodularia  
        +--+  |                 
           |  +-- Gonidea       
           |  |                 
           |  +-- Leguminaia    
           |  |                 
           |  +-- Microcondylaea
           |  |                 
           +--+-- Amblemini     
              |                 
              +-- Ortmanniana   
              |                 
              +-- Lampsilis     
              |                 
              +-- Cambarunio    
              |                 
              +-- Elliptio      
              |                 
              +-- Pleurobema    
              |                 
              +-- Quadrulini    

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

iTtTbiriSoTroTroSiD
24242242523191
  +----------- Gonideinae    
--+                          
  |  +-------- Lamellidentini **
  +--+                       
     |  +----- Parreysiini **   
     +--+                    
        |  +-- Leoparreysiini **
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
232321500098
  +----------- Lamellidentini **
--+                          
  |  +-------- Leoparreysiini **
  +--+                       
     |  +----- Parreysiini **   
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
1515133000102
  +----- Indochinellini **
--+                    
  |  +-- Parreysiini **   
  +--+                 
     +-- Leoparreysiini **

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

iTtTbiriSoTroTroSiD
141410168681105
  +-- Indochinellini **
--+                 
  +-- Gonideinae    

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

iTtTbiriSoTroTroSiD
131311355198
  +-------- Gonideinae    
--+                       
  |  +----- Leoparreysiini **
  +--+                    
     |  +-- Coelaturini **   
     +--+                 
        +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
13131147861398
              +-------- Lamellidentini ** 
  +-----------+                        
  |           |  +----- Leoparreysiini ** 
  |           +--+                     
  |              |  +-- Coelaturini **    
--+              +--+                  
  |                 +-- Indochinellini ** 
  |                                    
  |  +----------------- Unioninae      
  +--+                                 
     |  +-------------- Rectidentini   
     +--+                              
        |  +----------- Ambleminae     
        +--+                           
           |  +-------- Chamberlainiini
           +--+                        
              |  +----- Lamprotulini   
              +--+                     
                 |  +-- Pseudodontini  
                 +--+                  
                    +-- Gonideini      

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

iTtTbiriSoTroTroSiD
131311478613100
              +-------- Lamellidentini ** 
  +-----------+                        
  |           |  +----- Leoparreysiini ** 
  |           +--+                     
  |              |  +-- Coelaturini **    
--+              +--+                  
  |                 +-- Indochinellini ** 
  |                                    
  |  +----------------- Unioninae      
  +--+                                 
     |  +-------------- Rectidentini   
     +--+                              
        |  +----------- Ambleminae     
        +--+                           
           |  +-------- Chamberlainiini
           +--+                        
              |  +----- Lamprotulini   
              +--+                     
                 |  +-- Pseudodontini  
                 +--+                  
                    +-- Gonideini      

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

iTtTbiriSoTroTroSiD
121292000102
  +-- Leoparreysiini **
--+                 
  +-- Lamellidentini **

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

iTtTbiriSoTroTroSiD
12129139371100
  +----- Pseudodontini 
--+                    
  |  +-- Indochinellini **
  +--+                 
     +-- Rectidentini  

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

iTtTbiriSoTroTroSiD
1111942010198
  +----------- Gonideinae    
--+                          
  |  +-------- Lamellidentini **
  +--+                       
     |  +----- Leoparreysiini **
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
111112117131100
1

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

iTtTbiriSoTroTroSiD
1010844740399
  +-------------- Ambleminae    
  |                             
--+-------------- Gonideinae    
  |                             
  |  +----------- Unioninae     
  +--+                          
     |  +-------- Lamellidentini **
     +--+                       
        |  +----- Leoparreysiini **
        +--+                    
           |  +-- Coelaturini **   
           +--+                 
              +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
1010844740399
  +----------------- Ambleminae    
--+                                
  |  +-------------- Gonideinae    
  +--+                             
     |  +----------- Unioninae     
     +--+                          
        |  +-------- Lamellidentini **
        +--+                       
           |  +----- Leoparreysiini **
           +--+                    
              |  +-- Coelaturini **   
              +--+                 
                 +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
998427153100
        +-------- Lamellidentini **
  +-----+                       
  |     |  +----- Leoparreysiini **
  |     +--+                    
  |        |  +-- Indochinellini **
  |        +--+                 
--+           +-- Coelaturini **   
  |                             
  |           +-- Pseudodontini 
  |  +--------+                 
  |  |        +-- Rectidentini  
  +--+                          
     |  +-------- Unioninae     
     +--+                       
        |  +----- Gonideini     
        +--+                    
           |  +-- Lamprotulini  
           +--+                 
              +-- Ambleminae    

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

iTtTbiriSoTroTroSiD
9961000101
1

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

iTtTbiriSoTroTroSiD
9912221193
  +-- Leoparreysiini **
--+                 
  +-- Coelaturini **   

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

iTtTbiriSoTroTroSiD
997427153100
           +-------- Lamellidentini **
  +--------+                       
  |        |  +----- Leoparreysiini **
  |        +--+                    
  |           |  +-- Indochinellini **
--+           +--+                 
  |              +-- Coelaturini **   
  |                                
  |  +-------------- Rectidentini  
  +--+                             
     |  +----------- Pseudodontini 
     +--+                          
        |  +-------- Unioninae     
        +--+                       
           |  +----- Gonideini     
           +--+                    
              |  +-- Lamprotulini  
              +--+                 
                 +-- Ambleminae    

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

iTtTbiriSoTroTroSiD
886432223101
        +----- Unioninae     
  +-----+                    
  |     |  +-- Ambleminae    
  |     +--+                 
--+        +-- Gonideinae    
  |                          
  |  +-------- Lamellidentini **
  +--+                       
     |  +----- Leoparreysiini **
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
775449483104
        +----- Unioninae     
  +-----+                    
  |     |  +-- Ambleminae    
  |     +--+                 
--+        +-- Gonideinae    
  |                          
  |  +-------- Lamellidentini **
  +--+                       
     |  +----- Parreysiini **   
     +--+                    
        |  +-- Leoparreysiini **
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
553440383102
  +----------------- Ambleminae     
  |                                 
  |     +----------- Rectidentini   
  |     |                           
  |  +--+        +-- Schepmaniini   
--+  |  |  +-----+                  
  |  |  |  |     +-- Pseudodontini  
  |  |  +--+                        
  |  |     |  +----- Caudiculatus   
  |  |     +--+                     
  |  |        |  +-- Potomida       
  +--+        +--+                  
     |           +-- Gonideini      
     |                              
     |        +----- Unioninae      
     |  +-----+                     
     |  |     |  +-- Chamberlainiini
     |  |     +--+                  
     +--+        +-- Discomya       
        |                           
        |  +-------- Lamellidentini ** 
        +--+                        
           |  +----- Leoparreysiini ** 
           +--+                     
              |  +-- Indochinellini ** 
              +--+                  
                 +-- Coelaturini **    

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

iTtTbiriSoTroTroSiD
5531000102
1

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

iTtTbiriSoTroTroSiD
5531000102
1

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

iTtTbiriSoTroTroSiD
442476653103
                    +-------- Lamellidentini ** 
  +-----------------+                        
  |                 |  +----- Leoparreysiini ** 
  |                 +--+                     
  |                    |  +-- Coelaturini **    
--+                    +--+                  
  |                       +-- Indochinellini ** 
  |                                          
  |  +----------------------- Unioninae      
  |  |                                       
  +--+  +-------------------- Rectidentini   
     |  |                                    
     +--+  +----------------- Ambleminae     
        |  |                                 
        |  |              +-- Chamberlainiini
        +--+  +-----------+                  
           |  |           +-- Lamprotulini   
           |  |                              
           +--+           +-- Parvasolenaia  
              |  +--------+                  
              |  |        +-- Pseudodontini  
              +--+                           
                 |  +-------- Sinosolenaia   
                 +--+                        
                    |  +----- Gonidea        
                    +--+                     
                       |  +-- Microcondylaea 
                       +--+                  
                          +-- Leguminaia     

Chen et al., 2025 [Publ 4487], fig. 3

iTtTbiriSoTroTroSiD
331338363106
           +-- Ambleminae    
  +--------+                 
  |        +-- Gonideinae    
--+                          
  |  +-------- Unioninae     
  +--+                       
     |  +----- Parreysiini **   
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
331219171104
  +----- Unioninae     
--+                    
  |  +-- Lamellidentini **
  +--+                 
     +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
3313771106
  +-------- Unioninae     
--+                       
  |  +----- Indochinellini **
  +--+                    
     |  +-- Lamellidentini **
     +--+                 
        +-- Leoparreysiini **

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

iTtTbiriSoTroTroSiD
33031191083105
                 +-- Coelaturini **    
                 |                  
  +--------------+-- Leoparreysiini ** 
  |              |                  
  |              +-- Indochinellini ** 
--+                                 
  |  +-------------- Unioninae      
  |  |                              
  +--+  +----------- Rectidentini   
     |  |                           
     +--+  +-------- Ambleminae     
        |  |                        
        +--+     +-- Chamberlainiini
           |  +--+                  
           |  |  +-- Lamprotulini   
           +--+                     
              |  +-- Pseudodontini  
              +--+                  
                 +-- Gonideini      

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

iTtTbiriSoTroTroSiD
331342403106
  +----------------------- Gonideinae    
  |                                      
  |  +-------------------- Ambleminae    
--+  |                                   
  |  |                 +-- Anemina       
  |  |  +--------------+                 
  |  |  |              +-- Amuranodonta  
  +--+  |                                
     |  |           +----- Parreysiini **   
     |  +-----------+                    
     |  |           |  +-- Coelaturini **   
     |  |           +--+                 
     +--+              +-- Indochinellini **
        |                                
        |           +----- Pletholophus  
        |  +--------+                    
        |  |        |  +-- Sinanodonta   
        |  |        +--+                 
        |  |           +-- Beringiana    
        +--+                             
           |  +----------- Cristaria     
           |  |                          
           |  |        +-- Alasmidontina 
           +--+--------+                 
              |        +-- Anodontina    
              |                          
              |  +-------- Lanceolariini 
              +--+                       
                 |  +----- Lepidodesmini 
                 +--+                    
                    |  +-- Acuticostini  
                    +--+                 
                       +-- Unionini      

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

iTtTbiriSoTroTroSiD
330342403105
        +-- Gonideinae    
  +-----+                 
  |     +-- Ambleminae    
--+                       
  |  +----- Unioninae     
  |  |                    
  +--+  +-- Coelaturini **   
     |  |                 
     +--+-- Indochinellini **
        |                 
        +-- Parreysiini **   

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

iTtTbiriSoTroTroSiD
330338363105
        +-- Gonideinae    
  +-----+                 
  |     +-- Ambleminae    
--+                       
  |  +----- Unioninae     
  |  |                    
  +--+  +-- Coelaturini **   
     |  |                 
     +--+-- Indochinellini **
        |                 
        +-- Parreysiini **   

Chen et al., 2025 [Publ 4487], fig. 2

iTtTbiriSoTroTroSiD
331338363106
           +-- Gonideinae    
  +--------+                 
  |        +-- Ambleminae    
--+                          
  |  +-------- Unioninae     
  +--+                       
     |  +----- Parreysiini **   
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
331338363106
           +-- Gonideinae    
  +--------+                 
  |        +-- Ambleminae    
--+                          
  |  +-------- Unioninae     
  +--+                       
     |  +----- Parreysiini **   
     +--+                    
        |  +-- Coelaturini **   
        +--+                 
           +-- Indochinellini **

Imsong & Murali, 2023 [Publ 4370], fig. 2

iTtTbiriSoTroTroSiD
3313000104
  +----- Lamellidentini **
--+                    
  |  +-- Indochinellini **
  +--+                 
     +-- Parreysiini **   

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

iTtTbiriSoTroTroSiD
331219171104
  +----- Unioninae     
--+                    
  |  +-- Lamellidentini **
  +--+                 
     +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
210011483112
  +-------------------------- Lamellidens_mainwaringi **
--+                                                  
  |  +----------------------- Lamprotula             
  +--+                                               
     |  +-------------------- Potomida               
     +--+                                            
        |  +----------------- Lampsilini             
        +--+                                         
           |  +-------------- Pleurobemini           
           +--+                                      
              |  +----------- Aculamprotulina        
              +--+                                   
                 |  +-------- Unio_pictorum          
                 +--+                                
                    |  +----- Anodontini             
                    +--+                             
                       |  +-- Unio_ravoisieri        
                       +--+                          
                          +-- Lamellidens_corrianus **  

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

iTtTbiriSoTroTroSiD
220229271--
  +----- Unioninae     
--+                    
  |  +-- Lamellidentini **
  +--+                 
     +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
220129292--
  +----- Parreysiini **
--+                 
  |  +-- Gonideinae 
  +--+              
     +-- Unioninae  

Dai et al., 2026 [Publ 4757], fig. 3

iTtTbiriSoTroTroSiD
220232301--
  +----- Unioninae     
--+                    
  |  +-- Indochinellini **
  +--+                 
     +-- Lamellidentini **

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

iTtTbiriSoTroTroSiD
220212113--
        +-- Lamellidentini **
  +-----+                 
  |     +-- Coelaturini **   
--+                       
  |  +----- Ambleminae    
  +--+                    
     |  +-- Unioninae     
     +--+                 
        +-- Gonideinae    

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

iTtTbiriSoTroTroSiD
220229273--
        +-- Lamellidentini **
  +-----+                 
  |     +-- Coelaturini **   
--+                       
  |  +----- Unioninae     
  +--+                    
     |  +-- Ambleminae    
     +--+                 
        +-- Gonideinae    

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

iTtTbiriSoTroTroSiD
220229271--
  +----- Unioninae     
--+                    
  |  +-- Lamellidentini **
  +--+                 
     +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
220129292--
  +----- Parreysiini **
--+                 
  |  +-- Gonideinae 
  +--+              
     +-- Unioninae  

Graf, 2000 [Publ 2647], fig. 1

iTtTbiriSoTroTroSiD
211021542113
              +-------- Unionini      
  +-----------+                       
  |           |  +----- Pleurobemini  
  |           +--+                    
  |              |  +-- Anodontini    
--+              +--+                 
  |                 +-- Lampsilini    
  |                                   
  |  +----------------- Parreysiini **   
  |  |                                
  +--+  +-------------- Coelaturini **   
     |  |                             
     |  |     +-------- Castaliini    
     +--+  +--+                       
        |  |  |  +----- Rhipidodontini
        |  |  +--+                    
        |  |     |  +-- Hyridellini   
        +--+     +--+                 
           |        +-- Velesunioninae
           |                          
           |  +-------- Iridininae    
           |  |                       
           +--+  +----- Anodontitinae 
              |  |                    
              +--+----- Mycetopodinae 
                 |                    
                 |  +-- Etheria       
                 +--+                 
                    +-- Mulleria      

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

iTtTbiriSoTroTroSiD
11011483--
-- Lamellidens_corrianus **

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

iTtTbiriSoTroTroSiD
110145233--
-- Coelatura_aegyptiaca **

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

iTtTbiriSoTroTroSiD
110130173--
  +----------------------------- Gonideinae 
  |                                         
--+  +-------------------------- Coelaturini **
  |  |                                      
  +--+  +----------------------- Fusconaia  
     |  |                                   
     |  +----------------------- Amblemini  
     +--+                                   
        |  +-------------------- Quadrulini 
        |  |                                
        +--+  +----------------- Pleurobema 
           |  |                             
           +--+  +-------------- Eurynia    
              |  |                          
              |  |           +-- Cyrtonaias 
              +--+-----------+              
                 |           +-- Unioninae  
                 |                          
                 |  +----------- Ortmanniana
                 +--+                       
                    |  +-------- Glebula    
                    +--+                    
                       |  +----- Potamilus  
                       +--+                 
                          |  +-- Ligumia    
                          +--+              
                             +-- Toxolasma  

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

iTtTbiriSoTroTroSiD
110133173--
-- Coelatura_aegyptiaca **

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

iTtTbiriSoTroTroSiD
11011483--
  +-- Aculamprotulina
  |                  
  +-- Lamprotula     
  |                  
  +-- Lampsilini     
  |                  
  +-- Potomida       
  |                  
--+-- Unio_pictorum  
  |                  
  +-- Anodontini     
  |                  
  +-- Unio_ravoisieri
  |                  
  +-- Lamellidentini ** 
  |                  
  +-- Pleurobemini   

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

iTtTbiriSoTroTroSiD
110167443--
  +-------- Indochinellini **
--+                       
  |  +----- Unioninae     
  +--+                    
     |  +-- Ambleminae    
     +--+                 
        +-- Gonideinae    

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

iTtTbiriSoTroTroSiD
110146243--
-- Coelatura_aegyptiaca **

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

iTtTbiriSoTroTroSiD
110145233--
-- Coelatura_aegyptiaca **

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

iTtTbiriSoTroTroSiD
110152503--
  +-------- Ambleminae    
--+                       
  |  +----- Gonideinae    
  +--+                    
     |  +-- Lamellidentini **
     +--+                 
        +-- Unioninae     

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

iTtTbiriSoTroTroSiD
1101881--
  +----- Rectidentini  
--+                    
  |  +-- Pseudodontini 
  +--+                 
     +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
110138363--
     +-- Lamellidentini **
  +--+                 
  |  +-- Unioninae     
--+                    
  |  +-- Ambleminae    
  +--+                 
     +-- Gonideinae    

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

iTtTbiriSoTroTroSiD
110113131--
  +-- Indochinellini **
--+                 
  +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110191853--
  +-------- Ambleminae    
--+                       
  |  +----- Gonideinae    
  +--+                    
     |  +-- Lamellidentini **
     +--+                 
        +-- Unioninae     

Campbell & Lydeard, 2026 [Publ 4810], fig. 3_5

iTtTbiriSoTroTroSiD
11011401133--
  +-------- Ambleminae    
--+                       
  |  +----- Gonideinae    
  +--+                    
     |  +-- Lamellidentini **
     +--+                 
        +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110195843--
  +-------- Ambleminae    
--+                       
  |  +----- Gonideinae    
  +--+                    
     |  +-- Lamellidentini **
     +--+                 
        +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110127271--
  +-- Indochinellini **
--+                 
  +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110146243--
  +-------- Pseudodontini
  |                      
--+  +----- Coelaturini **  
  |  |                   
  |  +----- Rectidentini 
  +--+                   
     +----- Unioninae    
     |                   
     |  +-- Gonideini    
     +--+                
        +-- Ambleminae   

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

iTtTbiriSoTroTroSiD
110130173--
-- Coelatura_aegyptiaca **

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

iTtTbiriSoTroTroSiD
110130173--
  +-------- Coelaturini **
--+                    
  |  +----- Unioninae  
  +--+                 
     |  +-- Gonideinae 
     +--+              
        +-- Ambleminae 

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

iTtTbiriSoTroTroSiD
110130173--
-- Coelatura_aegyptiaca **

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

iTtTbiriSoTroTroSiD
110130173--
-- Coelatura_aegyptiaca **

Combosch et al., 2017 [Publ 3806], fig. 1

iTtTbiriSoTroTroSiD
11011422--
  +----- Unioninae     
--+                    
  |  +-- Ambleminae    
  +--+                 
     +-- Indochinellini **

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

iTtTbiriSoTroTroSiD
11012853--
  +-------- Gonideinae    
--+                       
  |  +----- Unioninae     
  +--+                    
     |  +-- Ambleminae    
     +--+                 
        +-- Indochinellini **

Combosch et al., 2017 [Publ 3806], fig. 2

iTtTbiriSoTroTroSiD
11011422--
  +----- Unioninae     
--+                    
  |  +-- Indochinellini **
  +--+                 
     +-- Ambleminae    

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

iTtTbiriSoTroTroSiD
110191853--
  +-------- Ambleminae    
--+                       
  |  +----- Gonideinae    
  +--+                    
     |  +-- Lamellidentini **
     +--+                 
        +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110124243--
  +-------------------------------- Lamellidentini **
  |                                               
--+  +----------------------------- Unioninae     
  |  |                                            
  +--+  +-------------------------- Lamprotulini  
     |  |                                         
     +--+  +----------------------- Quadrulini    
        |  |                                      
        +--+  +-------------------- Gonideini     
           |  |                                   
           |  |              +----- Eurynia       
           +--+  +-----------+                    
              |  |           |  +-- Cambarunio    
              |  |           +--+                 
              |  |              +-- Ptychobranchus
              +--+                                
                 |              +-- Amblemini     
                 |  +-----------+                 
                 |  |           +-- Pleurobema    
                 +--+                             
                    |  +----------- Truncilla     
                    |  |                          
                    +--+        +-- Lampsilis     
                       |  +-----+                 
                       |  |     +-- Epioblasma    
                       +--+                       
                          |  +----- Ligumia       
                          +--+                    
                             |  +-- Obliquaria    
                             +--+                 
                                +-- Ortmanniana   

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

iTtTbiriSoTroTroSiD
110133103--
     +-- Ambleminae    
  +--+                 
  |  +-- Indochinellini **
--+                    
  |  +-- Gonideinae    
  +--+                 
     +-- Unioninae     

Smith, 2021 [Publ 4331], fig. 1

iTtTbiriSoTroTroSiD
110119153--
  +-------- Ambleminae    
--+                       
  |  +----- Gonideinae    
  +--+                    
     |  +-- Indochinellini **
     +--+                 
        +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110136343--
  +-------- Ambleminae    
--+                       
  |  +----- Gonideinae    
  +--+                    
     |  +-- Lamellidentini **
     +--+                 
        +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110195843--
  +-------- Ambleminae    
--+                       
  |  +----- Gonideinae    
  +--+                    
     |  +-- Lamellidentini **
     +--+                 
        +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110133103--
     +-- Ambleminae    
  +--+                 
  |  +-- Indochinellini **
--+                    
  |  +-- Gonideinae    
  +--+                 
     +-- Unioninae     

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

iTtTbiriSoTroTroSiD
110167443--
  +-------- Indochinellini **
--+                       
  |  +----- Unioninae     
  +--+                    
     |  +-- Ambleminae    
     +--+                 
        +-- Gonideinae    

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

iTtTbiriSoTroTroSiD
110167443--
  +-------------- Indochinellini ** 
--+                              
  |  +----------- Unioninae      
  +--+                           
     |  +-------- Chamberlainiini
     +--+                        
        |  +----- Ambleminae     
        +--+                     
           |  +-- Lamprotulini   
           +--+                  
              +-- Gonideini      

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

iTtTbiriSoTroTroSiD
110123232--
  +----- Indochinellini **
--+                    
  |  +-- Unioninae     
  +--+                 
     +-- Gonideinae    
 
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