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Thu 3 September 2025

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

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Publication Smith et al. (2019): cladograms
     publication summary | cladograms

Complete Citation

Smith, C.H., N.A. Johnson, K. Inoue, R.D. Doyle & C.R. Randklev. 2019. Integrative taxonomy reveals a new species of freshwater mussel, Potamilus streckersoni sp. nov. (Bivalvia: Unionidae): implications for conservation and management. Systematics and Biodiversity 17(4): 331-348. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 2
  +----------------------------------------------- Quadrula_quadrula          
  |                                                                           
  |                                            +-- Amblema_plicata            
--+  +-----------------------------------------+                              
  |  |                                         +-- Reginaia_ebenus            
  |  |                                                                        
  +--+  +----------------------------------------- Plectomerus_dombeyanus     
     |  |                                                                     
     |  |  +-------------------------------------- Toxolasma_lividum          
     +--+  |                                                                  
        |  |                                +----- Popenaias_popeii           
        |  |  +-----------------------------+                                 
        +--+  |                             |  +-- Glebula_rotundata          
           |  |                             +--+                              
           |  |                                +-- Cyrtonaias_tampicoensis    
           |  |                                                               
           |  |  +-------------------------------- Obliquaria_reflexa         
           +--+  |                                                            
              |  |                             +-- Medionidus_conradicus      
              |  |                          +--+                              
              |  |                          |  +-- Lemiox_rimosus             
              |  |  +-----------------------+                                 
              |  |  |                       |  +-- Cyprogenia_stegaria        
              |  |  |                       +--+                              
              +--+  |                          +-- Ptychobranchus_fasciolaris 
                 |  |                                                         
                 |  |                          +-- Hamiota_subangulata        
                 |  |     +--------------------+                              
                 |  |     |                    +-- Villosa_villosa            
                 |  |     |                                                   
                 |  |  +--+  +-------------------- Ligumia_recta              
                 |  |  |  |  |                                                
                 +--+  |  |  |              +----- Venustaconcha_ellipsiformis
                    |  |  +--+  +-----------+                                 
                    |  |     |  |           |  +-- Obovaria_subrotunda        
                    |  |     |  |           +--+                              
                    |  |     +--+              +-- Epioblasma_rangiana        
                    |  |        |                                             
                    |  |        |  +-------------- Ortmanniana_pectorosa      
                    |  |        +--+                                          
                    |  |           |  +----------- Ortmanniana_ligamentina    
                    |  |           +--+                                       
                    |  |              |  +-------- Lampsilis_ovata            
                    |  |              +--+                                    
                    +--+                 |  +----- Lampsilis_dolabraeformis   
                       |                 +--+                                 
                       |                    |  +-- Lampsilis_satura           
                       |                    +--+                              
                       |                       +-- Lampsilis_cardium          
                       |                                                      
                       |           +-------------- Atlanticoncha_ochracea     
                       |     +-----+                                          
                       |     |     |  +----------- Ellipsaria_lineolata       
                       |     |     +--+                                       
                       |     |        |  +-------- Truncilla_truncata         
                       |     |        +--+                                    
                       |     |           |  +----- Truncilla_cognata          
                       |     |           +--+                                 
                       +-----+              |  +-- Truncilla_macrodon         
                             |              +--+                              
                             |                 +-- Truncilla_donaciformis     
                             |                                                
                             |  +----------------- Potamilus_capax            
                             |  |                                             
                             |  |           +----- Potamilus_inflatus         
                             +--+  +--------+                                 
                                |  |        |  +-- Potamilus_fragilis         
                                |  |        +--+                              
                                |  |           +-- Potamilus_leptodon         
                                +--+                                          
                                   |        +----- Potamilus_ohiensis         
                                   |  +-----+                                 
                                   |  |     |  +-- Potamilus_amphichaenus     
                                   |  |     +--+                              
                                   +--+        +-- Potamilus_streckersoni     
                                      |                                       
                                      |  +-------- Potamilus_metnecktayi      
                                      +--+                                    
                                         |  +----- Potamilus_purpuratus__1    
                                         +--+                                 
                                            |  +-- Potamilus_purpuratus__2    
                                            +--+                              
                                               +-- Potamilus_alatus           
 
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