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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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Publication Graf (2000): cladograms
     publication summary | cladograms

Complete Citation

Graf, D.L. 2000. The Etherioidea revisited: a phylogenetic analysis of hyriid relationships (Mollusca: Bivalvia: Paleoheterodonta: Unionoida). Occasional Papers of the Museum of Zoology, University of Michigan (729): 1-21. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 1
  +-------------------------- Neotrigonia_margaritacea
  |                                                   
  |  +----------------------- Margaritifera           
--+  |                                                
  |  |              +-------- Unio                    
  |  |  +-----------+                                 
  +--+  |           |  +----- Elliptio                
     |  |           +--+                              
     |  |              |  +-- Pyganodon               
     |  |              +--+                           
     +--+                 +-- Lampsilis               
        |                                             
        |  +----------------- Parreysia               
        |  |                                          
        |  |  +-------------- Grandidieria            
        +--+  |                                       
           |  |     +-------- Castalia                
           |  |  +--+                                 
           +--+  |  |  +----- Diplodon                
              |  |  +--+                              
              |  |     |  +-- Hyridella               
              |  |     +--+                           
              +--+        +-- Velesunio               
                 |                                    
                 |        +-- Mutela__1               
                 |  +-----+                           
                 |  |     +-- Mutela__2               
                 +--+                                 
                    |  +----- Anodontites             
                    |  |                              
                    +--+----- Mycetopoda              
                       |                              
                       |  +-- Etheria                 
                       +--+                           
                          +-- Mulleria
 
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