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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 | Unioninae | Anodontini | Anodontina

genus Brachyanodon Crosse & Fischer, 1894: cladomics
     5 Recent valid species (5 total species)

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


NJ Tree


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

** Top Monophyly Cladogram **

iTtTbiriSoTroTroSiD
41810714320
  +----------------- 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 **     

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

** Top Sister-Group Cladogram **

iTtTbiriSoTroTroSiD
58776275223
  +----------------------- 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 **

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

iTtTbiriSoTroTroSiD
4754243120
           +-- 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

iTtTbiriSoTroTroSiD
320031020023
  +-- 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

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

iTtTbiriSoTroTroSiD
22021500--
  +-- Brachyanodon_californiensis **
--+                              
  +-- Brachyanodon_nuttalliana **   

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

iTtTbiriSoTroTroSiD
2202300--
  +-- Brachyanodon_oregonensis **
--+                           
  +-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11011511--
-- Brachyanodon_kennerlyi **

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

iTtTbiriSoTroTroSiD
110110111--
  +-- Anodonta                
--+                           
  +-- Brachyanodon_oregonensis **

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

iTtTbiriSoTroTroSiD
110112132--
  +----- Anodonta_cygnea         
--+                              
  |  +-- Anodonta_anatina        
  +--+                           
     +-- Brachyanodon_nuttalliana **

Hoeh, 1990 [Publ 2717], fig. 2

iTtTbiriSoTroTroSiD
11011411--
-- Brachyanodon_kennerlyi **

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

iTtTbiriSoTroTroSiD
11019142--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
110114042--
  +-- Brachyanodon_nuttalliana **
--+                           
  +-- Pseudanodonta           

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

iTtTbiriSoTroTroSiD
11019542--
  +----- Anodonta                
--+                              
  |  +-- Brachyanodon_nuttalliana **
  +--+                           
     +-- Pseudanodonta           

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

iTtTbiriSoTroTroSiD
1101400--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
110113732--
  +-- Anodonta                
--+                           
  +-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11012700--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
110113732--
  +----- Pseudanodonta           
--+                              
  |  +-- Anodonta                
  +--+                           
     +-- Brachyanodon_nuttalliana **

Hoeh, 1990 [Publ 2717], fig. 3

iTtTbiriSoTroTroSiD
11011411--
-- Brachyanodon_kennerlyi **

Hoeh, 1990 [Publ 2717], fig. 4

iTtTbiriSoTroTroSiD
11011411--
-- Brachyanodon_kennerlyi **

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

iTtTbiriSoTroTroSiD
11019542--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
110119932--
  +----- Anodonta_anatina        
--+                              
  |  +-- Anodonta_cygnea         
  +--+                           
     +-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11011511--
-- Brachyanodon_kennerlyi **

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

iTtTbiriSoTroTroSiD
11019142--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11012800--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11012500--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11017532--
  +----- Pseudanodonta           
--+                              
  |  +-- Brachyanodon_nuttalliana **
  +--+                           
     +-- Anodonta                

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

iTtTbiriSoTroTroSiD
11011842--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11015342--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11017932--
  +----- Pseudanodonta           
  |                              
--+  +-- Anodonta_anatina        
  |  |                           
  +--+-- Anodonta_cygnea         
     |                           
     +-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11015242--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
110119732--
  +----- Anodonta_anatina        
--+                              
  |  +-- Anodonta_cygnea         
  +--+                           
     +-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11014032--
  +-- Brachyanodon_nuttalliana **
--+                           
  +-- Pseudanodonta           

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

iTtTbiriSoTroTroSiD
11017542--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
11017532--
  +-------- Pseudanodonta           
--+                                 
  |  +----- Anodonta_anatina        
  +--+                              
     |  +-- Brachyanodon_nuttalliana **
     +--+                           
        +-- Anodonta_cygnea         

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

iTtTbiriSoTroTroSiD
110112332--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
110119932--
-- Brachyanodon_nuttalliana **

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

iTtTbiriSoTroTroSiD
110110111--
-- Brachyanodon_oregonensis **
 
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