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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 Combosch et al. (2017): cladograms
     publication summary | cladograms

Complete Citation

Combosch, D.J., T.M. Collins, E.A. Glover, D.L. Graf, E.M. Harper et al. 2017. A family-level tree of life for bivalves based on a Sanger-sequencing approach. Molecular Phylogenetics and Evolution 107: 191-208. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 1
                       +-- Neotrigonia_margaritacea   
  +--------------------+                              
  |                    +-- Neotrigonia_lamarckii      
  |                                                   
  |                 +----- Triplodon_corrugatus       
--+  +--------------+                                 
  |  |              |  +-- Velesunio_ambiguus         
  |  |              +--+                              
  |  |                 +-- Hyridella_australis        
  +--+                                                
     |              +----- Unio_pictorum              
     |  +-----------+                                 
     |  |           |  +-- Lampsilis_cardium          
     |  |           +--+                              
     +--+              +-- Scabies_crispata           
        |                                             
        |  +-------------- Margaritifera_margaritifera
        |  |                                          
        +--+           +-- Chambardia_wahlbergi       
           |  +--------+                              
           |  |        +-- Aspatharia_pfeifferiana    
           +--+                                       
              |  +-------- Etheria_elliptica          
              +--+                                    
                 |  +----- Mutela_hargeri             
                 +--+                                 
                    |  +-- Tamsiella_schroeteriana    
                    +--+                              
                       +-- Lamproscapha_ensiformis    
Cladogram Figure 2
                 +-- Neotrigonia_margaritacea   
  +--------------+                              
  |              +-- Neotrigonia_lamarckii      
  |                                             
  |              +-- Chambardia_wahlbergi       
  |     +--------+                              
  |     |        +-- Aspatharia_pfeifferiana    
--+  +--+                                       
  |  |  |  +-------- Etheria_elliptica          
  |  |  +--+                                    
  |  |     |  +----- Mutela_hargeri             
  |  |     +--+                                 
  |  |        |  +-- Tamsiella_schroeteriana    
  +--+        +--+                              
     |           +-- Lamproscapha_ensiformis    
     |                                          
     |        +----- Velesunio_ambiguus         
     |  +-----+                                 
     |  |     |  +-- Triplodon_corrugatus       
     |  |     +--+                              
     +--+        +-- Hyridella_australis        
        |                                       
        |  +-------- Margaritifera_margaritifera
        +--+                                    
           |  +----- Unio_pictorum              
           +--+                                 
              |  +-- Scabies_crispata           
              +--+                              
                 +-- Lampsilis_cardium          
 
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