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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 Roe (2013): cladograms
     publication summary | cladograms

Complete Citation

Roe, K.J. 2013. Phylogenetic analysis of the freshwater mussel genus Ptychobranchus (Bivalvia: Unionidae). American Malacological Bulletin 31(2): 257-265. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 4
  +----------------------- Obliquaria_reflexa            
  |                                                      
  |                    +-- Lampsilis_siliquoidea         
  +--------------------+                                 
--+                    +-- Lampsilis_ornata              
  |                                                      
  |  +-------------------- Medionidus_conradicus         
  |  |                                                   
  +--+                 +-- Cyprogenia_aberti             
     |  +--------------+                                 
     |  |              +-- Dromus_dromas                 
     +--+                                                
        |  +-------------- Ptychobranchus_subtentus      
        +--+                                             
           |  +----------- Ptychobranchus_jonesi         
           +--+                                          
              |  +-------- Ptychobranchus_greenii        
              +--+                                       
                 |  +----- Ptychobranchus_occidentalis__2
                 +--+                                    
                    |  +-- Ptychobranchus_occidentalis__1
                    +--+                                 
                       +-- Ptychobranchus_fasciolaris
 
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