Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Anodontini | Anodontina

genus Brachyanodon Crosse & Fischer, 1894: cladomics

5 Recent valid species (5 total species)

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 = 5 (5 total)
analyzed in 37 cladograms in 24 publications
maximum number of terminals in an analysis = 5 (mean = 1.38, median = 1)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 6
maximum number of included terminals = 5, (mean = 3.33 median = 3.5)
proportion of cladograms that support basic monophyly = 0.33


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 of Brachyanodon cladogram distances
PCoA Ordination

NJ Tree of Brachyanodon cladogram distances
NJ Tree


Cladograms

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

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

cstiTtTbiriSoTroTroSiD
0.500 5 8 7 5 627 5 2 **
  +----------------------- Anodonta_anatina           
  |                                                   
--+  +-------------------- Pseudanodonta              
  |  |                                                
  +--+  +----------------- Brachyanodon_oregonensis__2 **
     |  |                                             
     |  |           +----- Anodonta_cygnea            
     +--+  +--------+                                 
        |  |        |  +-- Anodonta_seddonae          
        |  |        +--+                              
        +--+           +-- Anodonta_exulcerata        
           |                                          
           |  +----------- Brachyanodon_impura **        
           |  |                                       
           +--+  +-------- Brachyanodon **               
              |  |                                    
              +--+  +----- Brachyanodon_nuttalliana__1 **
                 |  |                                 
                 +--+----- Brachyanodon_nuttalliana__2 **
                    |                                 
                    |  +-- Brachyanodon_californiensis **
                    +--+                              
                       +-- Brachyanodon_oregonensis__1 **

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

cstiTtTbiriSoTroTroSiD
0.250 4 18 10 4 14 3 2 23.0
  +----------------- Anodonta_cygnea            
  |                                             
  +----------------- Pyganodon                  
  |                                             
  +----------------- Alasminota                 
  |                                             
  +----------------- Anodonta_anatina           
  |                                             
  +----------------- Unio                       
  |                                             
  |              +-- Brachyanodon_nuttalliana **   
  +--------------+                              
  |              +-- Brachyanodon_californiensis **
  |                                             
--+              +-- Beringiana                 
  +--------------+                              
  |              +-- Sinanodonta                
  |                                             
  |              +-- Pseudodontoideus           
  |              |                              
  +--------------+-- Alasmidonta                
  |              |                              
  |              +-- Pterosyna                  
  |                                             
  |  +-------------- Pseudanodonta              
  |  |                                          
  |  |        +----- Strophitus                 
  |  +--------+                                 
  +--+        |  +-- Prolasmidonta              
     |        +--+                              
     |           +-- Platynaias                 
     |                                          
     |  +----------- Brachyanodon_oregonensis__4 **
     +--+                                       
        |  +-------- Brachyanodon_oregonensis__3 **
        +--+                                    
           |  +----- Brachyanodon_oregonensis__2 **
           +--+                                 
              |  +-- Brachyanodon_oregonensis__1 **
              +--+                              
                 +-- Brachyanodon_kennerlyi **     

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

cstiTtTbiriSoTroTroSiD
0.000 4 7 5 4 24 3 1 14.0
           +-- Anodonta_exulcerata        
  +--------+                              
  |        +-- Anodonta_cygnea            
  |                                       
--+        +-- Brachyanodon_californiensis **
  |  +-----+                              
  |  |     +-- Brachyanodon_nuttalliana **   
  |  |                                    
  +--+     +-- Brachyanodon_kennerlyi **     
     |  +--+                              
     |  |  +-- Brachyanodon_oregonensis **   
     +--+                                 
        |  +-- Anodonta_anatina           
        +--+                              
           +-- Utterbackiana              

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

cstiTtTbiriSoTroTroSiD
0.000 3 20 0 3 102 0 0 27.0
                                                     +-- Alasmidonta_marginata      
                                                     |                              
                                                     +-- Prolasmidonta              
                                                     |                              
                                                     +-- Alasmidonta_undulata       
                                                     |                              
                                                     +-- Beringiana                 
                                                     |                              
                                                     +-- Brachyanodon_kennerlyi **     
                                                     |                              
                                                     +-- Brachyanodon_nuttalliana **   
                                                     |                              
                                                     +-- Brachyanodon_oregonensis **   
                                                     |                              
                                                     +-- Arcidens_confragosus       
                                                     |                              
                                                     +-- Arcidens_wheeleri          
                                                     |                              
                                                     +-- Pterosyna                  
                                                     |                              
  +--------------------------------------------------+-- Platynaias_compressa       
  |                                                  |                              
  |                                                  +-- Lasmigona                  
  |                                                  |                              
  |                                                  +-- Platynaias_decorata        
  |                                                  |                              
  |                                                  +-- Platynaias_subviridis      
  |                                                  |                              
  |                                                  +-- Pyganodon_grandis          
  |                                                  |                              
  |                                                  +-- Pyganodon_lacustris        
  |                                                  |                              
  |                                                  +-- Pseudodontoideus           
  |                                                  |                              
  |                                                  +-- Strophitus                 
  |                                                  |                              
--+                                                  +-- Utterbackia_imbecillis     
  |                                                  |                              
  |                                                  +-- Utterbackia_peninsularis__1
  |                                                  |                              
  |                                                  +-- Utterbackia_peninsularis__2
  |                                                                                 
  |  +-------------------------------------------------- Gonidea                    
  |  |                                                                              
  |  |  +----------------------------------------------- Reginaia                   
  |  |  |                                                                           
  |  |  +----------------------------------------------- Amblema                    
  |  |  |                                                                           
  |  |  |                                         +----- Popenaias                  
  |  |  |                                         |                                 
  |  |  |                                         |  +-- Dromus                     
  |  |  |                                         |  |                              
  |  |  |                                         |  +-- Epioblasma                 
  +--+  |                                         |  |                              
     |  +-----------------------------------------+  +-- Glebula                    
     |  |                                         |  |                              
     |  |                                         |  +-- Lampsilis_ovata            
     |  |                                         |  |                              
     |  |                                         |  +-- Lampsilis_virescens        
     |  |                                         |  |                              
     |  |                                         |  +-- Lemiox                     
     |  |                                         +--+                              
     |  |                                            +-- Obliquaria                 
     |  |                                            |                              
     +--+                                            +-- Obovaria_olivaria          
        |                                            |                              
        |                                            +-- Obovaria_unicolor          
        |                                            |                              
        |                                            +-- Plectomerus                
        |                                            |                              
        |                                            +-- Potamilus_alatus           
        |                                            |                              
        |                                            +-- Potamilus_capax            
        |                                                                           
        |                                         +----- Uniomerus                  
        |                                         |                                 
        |                                         |  +-- Cyclonaias                 
        |  +--------------------------------------+  |                              
        |  |                                      |  +-- Pustulosa_pustulosa__1     
        |  |                                      |  |                              
        |  |                                      |  +-- Theliderma                 
        |  |                                      +--+                              
        |  |                                         +-- Pustulosa_pustulosa__2     
        |  |                                         |                              
        +--+                                         +-- Quadrula_quadrula          
           |                                         |                              
           |                                         +-- Quadrula_verrucosa         
           |                                                                        
           |  +----------------------------------------- Elliptoideus               
           |  |                                                                     
           |  |  +-------------------------------------- Parvaspina                 
           |  |  |                                                                  
           +--+  |  +----------------------------------- Plethobasus                
              |  |  |                                                               
              |  |  +----------------------------------- Eurynia                    
              |  |  |                                                               
              |  |  +----------------------------------- Hemistena                  
              +--+  |                                                               
                 |  +----------------------------------- Elliptio                   
                 |  |                                                               
                 |  |  +-------------------------------- Pleuronaia                 
                 |  |  |                                                            
                 |  |  |                             +-- Pleurobema_cordatum        
                 |  |  |  +--------------------------+                              
                 +--+  |  |                          +-- Fusconaia                  
                    |  |  |                                                         
                    |  |  |  +-------------------------- Pleurobema_plenum          
                    |  |  |  |                                                      
                    |  |  |  |  +----------------------- Pleurobema_stabile         
                    |  |  |  |  |                                                   
                    |  |  |  |  |                 +----- Pleurobema_pyriforme       
                    |  |  +--+  |              +--+                                 
                    |  |  |  |  |              |  |  +-- Pleurobema_georgianum__2   
                    |  |  |  |  |              |  +--+                              
                    |  |  |  |  |  +-----------+     +-- Pleurobema_athearni        
                    |  |  |  |  |  |           |                                    
                    +--+  |  +--+  |           |  +----- Pleurobema_decisum         
                       |  |     |  |           |  |                                 
                       |  |     |  |           +--+  +-- Pleurobema_georgianum__1   
                       |  |     |  |              |  |                              
                       |  |     |  |              +--+-- Pleurobema_hanleyianum__1  
                       |  |     |  |                 |                              
                       |  |     |  |                 +-- Pleurobema_hanleyianum__2  
                       |  |     |  |                                                
                       |  |     +--+     +-------------- Pleurobema_beadleianum__2  
                       |  |        |     |                                          
                       |  |        |  +--+  +----------- Pleurobema_strodeanum__2   
                       |  |        |  |  |  |                                       
                       |  |        |  |  +--+----------- Pleurobema_rubellum        
                       |  |        |  |     |                                       
                       |  |        |  |     |  +-------- Pleurobema_beadleianum__1  
                       |  |        |  |     +--+                                    
                       +--+        |  |        |  +----- Pleurobema_taitianum       
                          |        |  |        +--+                                 
                          |        |  |           |  +-- Pleurobema_perovatum       
                          |        +--+           +--+                              
                          |           |              +-- Pleurobema_strodeanum__1   
                          |           |                                             
                          |           |           +----- Pleurobema_oviforme__6     
                          |           |           |                                 
                          |           |        +--+----- Pleurobema_clava__3        
                          |           |        |  |                                 
                          |           |        |  |  +-- Pleurobema_oviforme__5     
                          |           |        |  +--+                              
                          |           +--------+     +-- Pleurobema_clava__2        
                          |                    |                                    
                          |                    |  +----- Pleurobema_oviforme__2     
                          |                    |  |                                 
                          |                    |  +----- Pleurobema_oviforme__3     
                          |                    +--+                                 
                          |                       +----- Pleurobema_oviforme__4     
                          |                       |                                 
                          |                       |  +-- Pleurobema_clava__1        
                          |                       +--+                              
                          |                          +-- Pleurobema_oviforme__1     
                          |                                                         
                          |           +----------------- Pleurobema_riddellii       
                          |           |                                             
                          |           |  +-------------- Pleurobema_sintoxia__34    
                          |           |  |                                          
                          |           |  |  +----------- Pleurobema_sintoxia__31    
                          |           |  |  |                                       
                          +-----------+  |  +----------- Pleurobema_sintoxia__32    
                                      |  |  |                                       
                                      |  |  +----------- Pleurobema_sintoxia__33    
                                      |  |  |                                       
                                      |  |  |  +-------- Pleurobema__4              
                                      |  |  |  |                                    
                                      |  |  |  +-------- Pleurobema__5              
                                      +--+  |  |                                    
                                         |  |  +-------- Pleurobema_sintoxia__2     
                                         |  |  |                                    
                                         |  |  +-------- Pleurobema_sintoxia__3     
                                         |  |  |                                    
                                         |  |  +-------- Pleurobema__8              
                                         |  |  |                                    
                                         |  |  +-------- Pleurobema__9              
                                         |  |  |                                    
                                         |  |  +-------- Pleurobema__10             
                                         |  |  |                                    
                                         |  |  +-------- Pleurobema_sintoxia__5     
                                         +--+  |                                    
                                            |  +-------- Pleurobema_sintoxia__6     
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__7     
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__8     
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__9     
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__10    
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__11    
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__12    
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__13    
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__14    
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__15    
                                            |  |                                    
                                            |  +-------- Pleurobema_sintoxia__16    
                                            +--+                                    
                                               +-------- Pleurobema_sintoxia__17    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__18    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__19    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__20    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__21    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__22    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__23    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__24    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__25    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__26    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__27    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__28    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__29    
                                               |                                    
                                               +-------- Pleurobema_sintoxia__30    
                                               |                                    
                                               |     +-- Pleurobema__6              
                                               +-----+                              
                                               |     +-- Pleurobema_sintoxia__1     
                                               |                                    
                                               |     +-- Pleurobema__7              
                                               +-----+                              
                                               |     +-- Pleurobema_sintoxia__4     
                                               |                                    
                                               |  +----- Pleurobema__3              
                                               +--+                                 
                                                  |  +-- Pleurobema__1              
                                                  +--+                              
                                                     +-- Pleurobema__2              

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

cstiTtTbiriSoTroTroSiD
1.000 2 2 0 2 3 0 0 --
  +----- Beringiana              
--+                              
  |  +-- Brachyanodon_oregonensis **
  +--+                           
     +-- Brachyanodon_nuttalliana **

Wu et al., 2026 [Publ 4811], fig. 3

cstiTtTbiriSoTroTroSiD
1.000 2 2 0 2 15 0 0 --
  +----- Acuticosta                 
--+                                 
  |  +-- Brachyanodon_californiensis **
  +--+                              
     +-- Brachyanodon_nuttalliana **   

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

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 80 3 2 --
  +----- Pseudanodonta           
  |                              
--+  +-- Anodonta_anatina        
  |  |                           
  +--+-- Anodonta_cygnea         
     |                           
     +-- Brachyanodon_nuttalliana **

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 138 3 2 --
  +----- Pseudanodonta           
--+                              
  |  +-- Anodonta                
  +--+                           
     +-- Brachyanodon_nuttalliana **

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 138 3 2 --
  +-- Anodonta                
--+                           
  +-- Brachyanodon_nuttalliana **

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 124 3 2 --
  +-- Alasmidonta             
  |                           
  +-- Anodonta_anatina        
  |                           
  +-- Anodonta_cygnea         
  |                           
  +-- Brachyanodon_nuttalliana **
  |                           
  +-- Lasmigona               
  |                           
  +-- Pseudanodonta           
  |                           
  +-- Pyganodon               
  |                           
  +-- Simpsonaias             
  |                           
  +-- Strophitus              
--+                           
  +-- Sinanodonta_lauta       
  |                           
  +-- Cristaria_plicata       
  |                           
  +-- Cristaria_radiata       
  |                           
  +-- Pletholophus            
  |                           
  +-- Sinanodonta_lucida      
  |                           
  +-- Sinanodonta_jourdyi     
  |                           
  +-- Lanceolaria_gladiola    
  |                           
  +-- Lanceolaria_grayii      
  |                           
  +-- Lanceolaria_danzhouensis

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 200 3 2 --
  +----- Anodonta_anatina        
--+                              
  |  +-- Anodonta_cygnea         
  +--+                           
     +-- Brachyanodon_nuttalliana **

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 198 3 2 --
  +----- Anodonta_anatina        
--+                              
  |  +-- Anodonta_cygnea         
  +--+                           
     +-- Brachyanodon_nuttalliana **

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 200 3 2 --
  +-------- Acuticosta              
  |                                 
  +-------- Alasmidonta             
  |                                 
  +-------- Anodonta_anatina        
  |                                 
  +-------- Anemina                 
  |                                 
  +-------- Anodonta_cygnea         
  |                                 
  +-------- Cristaria               
  |                                 
  +-------- Brachyanodon_nuttalliana **
  |                                 
  +-------- Lasmigona               
  |                                 
  +-------- Lepidodesma             
  |                                 
  +-------- Pseudanodonta           
  |                                 
  +-------- Pyganodon               
  |                                 
--+-------- Simpsonaias             
  |                                 
  +-------- Strophitus              
  |                                 
  +-------- Utterbackia             
  |                                 
  +-------- Schistodesmus           
  |                                 
  +-------- Unio                    
  |                                 
  +-------- Scriptolamprotula       
  |                                 
  +-------- Lanceolaria             
  |                                 
  |     +-- Pletholophus            
  +-----+                           
  |     +-- Sinanodonta             
  |                                 
  |  +----- Cuneopsis_celtiformis   
  |  |                              
  |  +----- Tchangsinaia            
  |  |                              
  +--+----- Cuneopsis_rufescens     
     |                              
     +----- Nodularia               
     |                              
     |  +-- Cuneopsis_szechenyii    
     +--+                           
        +-- Cuneopsis_heudei        

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 121 3 2 --
  +----- Anodonta_cygnea         
--+                              
  |  +-- Anodonta_anatina        
  +--+                           
     +-- Brachyanodon_nuttalliana **

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 18 4 2 --
  +-------- Brachyanodon_nuttalliana **
--+                                 
  |  +----- Platynaias              
  +--+                              
     |  +-- Pyganodon               
     +--+                           
        +-- Utterbackia             

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

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 75 3 2 --
  +----- Pseudanodonta           
--+                              
  |  +-- Brachyanodon_nuttalliana **
  +--+                           
     +-- Anodonta                

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

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 75 3 2 --
  +-------- Pseudanodonta           
--+                                 
  |  +----- Anodonta_anatina        
  +--+                              
     |  +-- Brachyanodon_nuttalliana **
     +--+                           
        +-- Anodonta_cygnea         

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 40 3 2 --
  +-- Brachyanodon_nuttalliana **
--+                           
  +-- Pseudanodonta           

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

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 94 4 2 --
  +----- Anodonta                
--+                              
  |  +-- Brachyanodon_nuttalliana **
  +--+                           
     +-- Pseudanodonta           

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 94 4 2 --
  +----------------- Brachyanodon_nuttalliana **
  |                                          
  +----------------- Pseudanodonta           
  |                                          
--+  +-------------- Anodonta_cygnea         
  |  |                                       
  |  |           +-- Anodonta_exulcerata     
  |  +-----------+                           
  +--+           +-- Anodonta_anatina        
     |                                       
     |           +-- Pyganodon               
     |  +--------+                           
     |  |        +-- Utterbackia             
     +--+                                    
        |  +-------- Pterosyna               
        +--+                                 
           |  +----- Prolasmidonta           
           +--+                              
              |  +-- Alasmidonta             
              +--+                           
                 +-- Platynaias              

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

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 90 4 2 --
  +-------------- Brachyanodon_nuttalliana **
  |                                       
--+           +-- Pyganodon               
  |  +--------+                           
  |  |        +-- Utterbackia             
  +--+                                    
     |  +-------- Pterosyna               
     +--+                                 
        |  +----- Prolasmidonta           
        +--+                              
           |  +-- Alasmidonta             
           +--+                           
              +-- Platynaias              

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

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 90 4 2 --
  +----------------- Brachyanodon_nuttalliana **
  |                                          
  |              +-- Pseudanodonta           
--+  +-----------+                           
  |  |           +-- Anodonta                
  |  |                                       
  +--+           +-- Pyganodon               
     |  +--------+                           
     |  |        +-- Utterbackia             
     +--+                                    
        |  +-------- Pterosyna               
        +--+                                 
           |  +----- Prolasmidonta           
           +--+                              
              |  +-- Alasmidonta             
              +--+                           
                 +-- Platynaias              

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

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 52 4 2 --
  +----------------- Brachyanodon_nuttalliana **
  |                                          
  |              +-- Pseudanodonta           
--+  +-----------+                           
  |  |           +-- Anodonta                
  |  |                                       
  +--+           +-- Pyganodon               
     |  +--------+                           
     |  |        +-- Utterbackia             
     +--+                                    
        |  +-------- Pterosyna               
        +--+                                 
           |  +----- Prolasmidonta           
           +--+                              
              |  +-- Alasmidonta             
              +--+                           
                 +-- Platynaias              

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

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 74 4 2 --
  +-------------- Brachyanodon_nuttalliana **
  |                                       
--+           +-- Pyganodon               
  |  +--------+                           
  |  |        +-- Utterbackia             
  +--+                                    
     |  +-------- Pterosyna               
     +--+                                 
        |  +----- Prolasmidonta           
        +--+                              
           |  +-- Alasmidonta             
           +--+                           
              +-- Platynaias              

Hou et al., 2025 [Publ 4445], fig. 5

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 51 4 2 --
  +----------------- Brachyanodon_nuttalliana **
  |                                          
  |              +-- Pseudanodonta           
--+  +-----------+                           
  |  |           +-- Anodonta                
  |  |                                       
  +--+           +-- Pyganodon               
     |  +--------+                           
     |  |        +-- Utterbackia             
     +--+                                    
        |  +-------- Pterosyna               
        +--+                                 
           |  +----- Prolasmidonta           
           +--+                              
              |  +-- Platynaias              
              +--+                           
                 +-- Alasmidonta             

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

cstiTtTbiriSoTroTroSiD
0.500 1 1 0 1 139 4 2 --
  +-- Brachyanodon_nuttalliana **
--+                           
  +-- Pseudanodonta           

Hoeh, 1990 [Publ 2717], fig. 2

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 14 1 1 --
  +-- Brachyanodon_kennerlyi **
--+                         
  +-- Utterbackiana         

Hoeh, 1990 [Publ 2717], fig. 3

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 14 1 1 --
  +----- Pyganodon_fragilis         
  |                                 
  +----- Utterbackia_imbecillis     
  |                                 
  +----- Utterbackia_peggyae        
  |                                 
  +----- Anodonta                   
  |                                 
  +----- Brachyanodon_kennerlyi **     
  |                                 
  +----- Utterbackiana_couperiana__1
  |                                 
--+----- Utterbackiana_couperiana__2
  |                                 
  +----- Utterbackiana_suborbiculata
  |                                 
  |  +-- Lasmigona                  
  +--+                              
  |  +-- Utterbackiana_implicata    
  |                                 
  |  +-- Pterosyna                  
  |  |                              
  |  +-- Platynaias                 
  |  |                              
  |  +-- Pyganodon_cataracta        
  +--+                              
     +-- Pyganodon_gibbosa          
     |                              
     +-- Pyganodon_grandis          
     |                              
     +-- Pyganodon_lacustris        

Hoeh, 1990 [Publ 2717], fig. 4

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 14 1 1 --
  +-- Brachyanodon_kennerlyi **
--+                         
  +-- Utterbackiana         

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

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 101 1 1 --
  +----------- Brachyanodon_oregonensis **
  |                                    
--+        +-- Anodonta                
  |  +-----+                           
  |  |     +-- Alasminota              
  +--+                                 
     |  +----- Pyganodon               
     +--+                              
        |  +-- Lasmigona               
        +--+                           
           +-- Pseudodontoideus        

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

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 101 1 1 --
  +-- Anodonta                
--+                           
  +-- Brachyanodon_oregonensis **

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

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 15 1 1 --
  +-- Brachyanodon_kennerlyi **
--+                         
  +-- Utterbackiana         

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

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 15 1 1 --
  +-- Brachyanodon_kennerlyi **
--+                         
  +-- Utterbackiana         

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

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 4 0 0 --
  +-- Brachyanodon_nuttalliana **
--+                           
  +-- Pyganodon               

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

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 27 0 0 --
  +-- Brachyanodon_nuttalliana **
--+                           
  +-- Pyganodon               

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

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 28 0 0 --
  +-- Brachyanodon_nuttalliana **
--+                           
  +-- Pyganodon               

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

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 25 0 0 --
  +-- Brachyanodon_nuttalliana **
--+                           
  +-- Pyganodon