MUSSELp

MUSSELpdb

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Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Publication Krebs et al. (2003): cladograms

publication summary | cladograms

Complete Citation

Krebs, R.A., R.N. Vlasceanu & M.J.S. Tevesz. 2003. An analysis of diversity in freshwater mussels (Bivalvia: Unionidae) of the Cuyahoga and Rocky River watersheds (Ohio, USA). Journal of Great Lakes Research 29(2): 307-316. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 3
                                +-- Margaritifera_margaritifera
  +-----------------------------+                              
  |                             +-- Margaritifera_falcata      
  |                                                            
  |                    +----------- Utterbackiana_couperiana   
  |                    |                                       
  |                    +----------- Platynaias_compressa       
  |                    |                                       
  |                    +----------- Alasmidonta_triangulata    
  |                    |                                       
  |  +-----------------+        +-- Pterosyna_complanata       
--+  |                 +--------+                              
  |  |                 |        +-- Lasmigona_costata          
  |  |                 |                                       
  |  |                 |        +-- Strophitus_radiatus        
  |  |                 |  +-----+                              
  |  |                 |  |     +-- Strophitus_undulatus       
  |  |                 +--+                                    
  |  |                    |  +----- Utterbackia_imbecillis     
  |  |                    +--+                                 
  |  |                       |  +-- Pyganodon_grandis          
  +--+                       +--+                              
     |                          +-- Anodonta                   
     |                                                         
     |                    +-------- Megalonaias_nervosa        
     |  +-----------------+                                    
     |  |                 |  +----- Quadrula_quadrula__2       
     |  |                 +--+                                 
     |  |                    |  +-- Quadrula_quadrula__1       
     |  |                    +--+                              
     |  |                       +-- Theliderma_metanevra       
     |  |                                                      
     +--+              +----------- Elliptoideus_sloatianus    
        |  +-----------+                                       
        |  |           |  +-------- Pleurobema_pyriforme       
        |  |           +--+                                    
        |  |              |  +----- Uniomerus_carolinianus     
        |  |              +--+                                 
        |  |                 |  +-- Fusconaia_flava            
        +--+                 +--+                              
           |                    +-- Eurynia_dilatata           
           |                                                   
           |  +-------------------- Amblema_plicata            
           |  |                                                
           |  |              +----- Toxolasma_parvum           
           |  |  +-----------+                                 
           +--+  |           |  +-- Plectomerus_dombeyanus     
              |  |           +--+                              
              |  |              +-- Obliquaria_reflexa         
              |  |                                             
              +--+           +----- Ptychobranchus_subtentus   
                 |  +--------+                                 
                 |  |        |  +-- Potamilus_fragilis         
                 |  |        +--+                              
                 |  |           +-- Medionidus_conradicus      
                 +--+                                          
                    |           +-- Villosa_delumbis           
                    |  +--------+                              
                    |  |        +-- Ellipsaria_lineolata       
                    +--+                                       
                       |  +-------- Lampsilis_teres            
                       +--+                                    
                          |  +----- Lampsilis_siliquoidea      
                          +--+                                 
                             |  +-- Potamilus_purpuratus       
                             +--+                              
                                +-- Potamilus_alatus           
 
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