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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 & Hoeh (2003): cladograms
     publication summary | cladograms

Complete Citation

Roe, K.J. & W.R. Hoeh. 2003. Systematics of freshwater mussels (Bivalvia: Unionoida). [in] Lydeard & Lindberg, Molecular Systematics and Phylogeography of Mollusks: 91-122.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 4f2
  +-------------------------------------- Neotrigonia_margaritacea   
  |                                                                  
  |                                   +-- Mutela_dubia               
  |                             +-----+                              
  |                             |     +-- Mutela_rostrata            
  |                          +--+                                    
  |                          |  |  +----- Monocondylaea_minuana      
  |                          |  +--+                                 
--+                          |     |  +-- Anodontites_guanarensis    
  |                          |     +--+                              
  |  +-----------------------+        +-- Anodontites_trigona        
  |  |                       |                                       
  |  |                       |        +-- Castalia_stevensi          
  |  |                       |     +--+                              
  |  |                       |     |  +-- Velesunio_angasi           
  |  |                       +-----+                                 
  |  |                             |  +-- Echyridella_menziesii      
  +--+                             |  |                              
     |                             +--+-- Lortiella_rugata           
     |                                |                              
     |                                +-- Diplodon_gratus            
     |                                                               
     |                                +-- Cumberlandia_monodonta     
     |  +-----------------------------+                              
     |  |                             +-- Margaritifera_margaritifera
     +--+                                                            
        |  +----------------------------- Gonidea_angulata           
        |  |                                                         
        +--+  +-------------------------- Coelatura_aegyptiaca       
           |  |                                                      
           +--+  +----------------------- Fusconaia_flava            
              |  |                                                   
              |  +----------------------- Amblema_plicata            
              +--+                                                   
                 |  +-------------------- Quadrula_quadrula          
                 |  |                                                
                 |  |  +----------------- Pleurobema_clava           
                 +--+  |                                             
                    |  |  +-------------- Eurynia_dilatata           
                    |  |  |                                          
                    +--+  |  +----------- Ortmanniana_ligamentina    
                       |  +--+                                       
                       |  |  |  +-------- Glebula_rotundata          
                       |  |  +--+                                    
                       |  |     |  +----- Potamilus_alatus           
                       +--+     +--+                                 
                          |        |  +-- Ligumia_recta              
                          |        +--+                              
                          |           +-- Toxolasma_lividum          
                          |                                          
                          |  +----------- Cyrtonaias_tampicoensis    
                          |  |                                       
                          +--+        +-- Unio_pictorum              
                             |  +-----+                              
                             |  |     +-- Unio_tumidus               
                             +--+                                    
                                |  +----- Pyganodon_grandis          
                                +--+                                 
                                   |  +-- Anodonta_cygnea            
                                   +--+                              
                                      +-- Strophitus_undulatus       
Cladogram Figure 4f3
  +----------------------------------- Neotrigonia_margaritacea   
  |                                                               
  |                                +-- Cumberlandia_monodonta     
  |  +-----------------------------+                              
  |  |                             +-- Margaritifera_margaritifera
  |  |                                                            
--+  |                             +-- Mutela_dubia               
  |  |                       +-----+                              
  |  |                       |     +-- Mutela_rostrata            
  |  |                    +--+                                    
  |  |                    |  |  +----- Monocondylaea_minuana      
  |  |                    |  +--+                                 
  +--+                    |     |  +-- Anodontites_guanarensis    
     |                    |     +--+                              
     |  +-----------------+        +-- Anodontites_trigona        
     |  |                 |                                       
     |  |                 |        +-- Castalia_stevensi          
     |  |                 |  +-----+                              
     |  |                 |  |     +-- Diplodon_gratus            
     |  |                 +--+                                    
     |  |                    |  +----- Echyridella_menziesii      
     |  |                    +--+                                 
     +--+                       |  +-- Velesunio_angasi           
        |                       +--+                              
        |                          +-- Lortiella_rugata           
        |                                                         
        |  +-------------------------- Coelatura_aegyptiaca       
        |  |                                                      
        |  |                       +-- Unio_pictorum              
        |  |                 +-----+                              
        |  |                 |     +-- Unio_tumidus               
        +--+  +--------------+                                    
           |  |              |  +----- Anodonta_cygnea            
           |  |              +--+                                 
           |  |                 |  +-- Pyganodon_grandis          
           |  |                 +--+                              
           +--+                    +-- Strophitus_undulatus       
              |                                                   
              |  +-------------------- Gonidea_angulata           
              |  |                                                
              |  |  +----------------- Amblema_plicata            
              +--+  |                                             
                 |  |        +-------- Quadrula_quadrula          
                 |  |  +-----+                                    
                 +--+  |     |  +----- Eurynia_dilatata           
                    |  |     +--+                                 
                    |  |        |  +-- Fusconaia_flava            
                    |  |        +--+                              
                    +--+           +-- Pleurobema_clava           
                       |                                          
                       |           +-- Cyrtonaias_tampicoensis    
                       |  +--------+                              
                       |  |        +-- Glebula_rotundata          
                       +--+                                       
                          |  +-------- Toxolasma_lividum          
                          +--+                                    
                             |  +----- Ortmanniana_ligamentina    
                             +--+                                 
                                |  +-- Ligumia_recta              
                                +--+                              
                                   +-- Potamilus_alatus           
 
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