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Page last updated
Thu 17 July 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!


Publication Whelan et al. (2011): cladograms
     publication summary | cladograms

Complete Citation

Whelan, N.V., A.J. Geneva & D.L. Graf. 2011. Molecular phylogenetic analysis of tropical freshwater mussels (Mollusca: Bivalvia: Unionoida) resolves the position of Coelatura and supports a monophyletic Unionidae. Molecular Phylogenetics and Evolution 61: 504-514. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 1-ML
  +-------------------------------------- Neotrigonia_margaritacea     
  |                                                                    
  |                             +-------- Velesunio_ambiguus           
  |  +--------------------------+                                      
  |  |                          |  +----- Hyridella_australis          
--+  |                          +--+                                   
  |  |                             |  +-- Castalia_ambigua             
  |  |                             +--+                                
  |  |                                +-- Triplodon_corrugatus         
  |  |                                                                 
  |  |                                +-- Margaritifera_margaritifera  
  +--+  +-----------------------------+                                
     |  |                             +-- Cumberlandia_monodonta       
     |  |                                                              
     |  |                             +-- Aspatharia_pfeifferiana      
     |  |                       +-----+                                
     |  |                       |     +-- Chambardia_wahlbergi         
     |  |  +--------------------+                                      
     |  |  |                    |  +----- Mutela_rostrata              
     +--+  |                    +--+                                   
        |  |                       |  +-- Mycetopoda_siliquosa         
        |  |                       +--+                                
        |  |                          +-- Tamsiella_schroeteriana      
        |  |                                                           
        |  |                          +-- Lamellidens_savadiensis      
        |  |        +-----------------+                                
        |  |        |                 +-- Trapezidens_dolichorhynchus  
        +--+  +-----+                                                  
           |  |     |  +----------------- Leoparreysia_tavoyensis      
           |  |     |  |                                               
           |  |     +--+              +-- Radiatula_chaudhurii         
           |  |        |  +-----------+                                
           |  |        |  |           +-- Indochinella_pugio           
           |  |        +--+                                            
           |  |           |  +----------- Nitia_teretiuscula           
           |  |           +--+                                         
           |  |              |  +-------- Coelatura_aegyptiaca__2      
           |  |              +--+                                      
           +--+                 |  +----- Coelatura_aegyptiaca__1      
              |                 +--+                                   
              |                    |  +-- Coelatura_gabonensis         
              |                    +--+                                
              |                       +-- Prisodontopsis_aviculaeformis
              |                                                        
              |                       +-- Pseudodon_vondembuschianus   
              |  +--------------------+                                
              |  |                    +-- Lens_contradens              
              |  |                                                     
              |  |                    +-- Pyganodon_grandis            
              |  |                 +--+                                
              +--+                 |  +-- Lasmigona_costata            
                 |  +--------------+                                   
                 |  |              |  +-- Unio_pictorum                
                 |  |              +--+                                
                 |  |                 +-- Unio_caffer                  
                 +--+                                                  
                    |  +----------------- Gonidea_angulata             
                    |  |                                               
                    |  |           +----- Pronodularia_japanensis      
                    +--+  +--------+                                   
                       |  |        |  +-- Potomida_littoralis          
                       |  |        +--+                                
                       +--+           +-- Potomida_semirugata          
                          |                                            
                          |  +----------- Pleurobema_sintoxia          
                          +--+                                         
                             |  +-------- Quadrula_quadrula            
                             +--+                                      
                                |  +----- Amblema_plicata              
                                +--+                                   
                                   |  +-- Truncilla_truncata           
                                   +--+                                
                                      +-- Lampsilis_cardium            
Cladogram Figure 1-MP
  +----------------------------------- Neotrigonia_margaritacea     
  |                                                                 
  |                                +-- Aspatharia_pfeifferiana      
  |                          +-----+                                
  |                          |     +-- Chambardia_wahlbergi         
  |  +-----------------------+                                      
  |  |                       |  +----- Mutela_rostrata              
--+  |                       +--+                                   
  |  |                          |  +-- Mycetopoda_siliquosa         
  |  |                          +--+                                
  |  |                             +-- Tamsiella_schroeteriana      
  |  |                                                              
  |  |                             +-- Margaritifera_margaritifera  
  |  |                    +--------+                                
  |  |                    |        +-- Cumberlandia_monodonta       
  +--+  +-----------------+                                         
     |  |                 |  +-------- Velesunio_ambiguus           
     |  |                 +--+                                      
     |  |                    |  +----- Hyridella_australis          
     |  |                    +--+                                   
     |  |                       |  +-- Castalia_ambigua             
     |  |                       +--+                                
     |  |                          +-- Triplodon_corrugatus         
     |  |                                                           
     |  |                          +-- Lamellidens_savadiensis      
     |  |           +--------------+                                
     +--+           |              +-- Trapezidens_dolichorhynchus  
        |  +--------+                                               
        |  |        |  +-------------- Leoparreysia_tavoyensis      
        |  |        |  |                                            
        |  |        +--+           +-- Radiatula_chaudhurii         
        |  |           |  +--------+                                
        |  |           |  |        +-- Indochinella_pugio           
        |  |           +--+                                         
        |  |              |  +-------- Nitia_teretiuscula           
        |  |              |  |                                      
        |  |              +--+  +----- Coelatura_aegyptiaca__1      
        +--+                 |  |                                   
           |                 +--+----- Coelatura_aegyptiaca__2      
           |                    |                                   
           |                    |  +-- Coelatura_gabonensis         
           |                    +--+                                
           |                       +-- Prisodontopsis_aviculaeformis
           |                                                        
           |  +----------------------- Lens_contradens              
           |  |                                                     
           |  |  +-------------------- Pseudodon_vondembuschianus   
           +--+  |                                                  
              |  |                 +-- Pyganodon_grandis            
              |  |              +--+                                
              +--+              |  +-- Lasmigona_costata            
                 |  +-----------+                                   
                 |  |           |  +-- Unio_pictorum                
                 |  |           +--+                                
                 |  |              +-- Unio_caffer                  
                 +--+                                               
                    |  +-------------- Gonidea_angulata             
                    |  |                                            
                    |  |        +----- Pronodularia_japanensis      
                    +--+  +-----+                                   
                       |  |     |  +-- Potomida_littoralis          
                       |  |     +--+                                
                       +--+        +-- Potomida_semirugata          
                          |                                         
                          |  +-------- Quadrula_quadrula            
                          |  |                                      
                          +--+-------- Pleurobema_sintoxia          
                             |                                      
                             |  +----- Amblema_plicata              
                             +--+                                   
                                |  +-- Lampsilis_cardium            
                                +--+                                
                                   +-- Truncilla_truncata           
 
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