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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 Rosenberg et al. (1997): cladograms

publication summary | cladograms

Complete Citation

Rosenberg, G., S. Tillier, A. Tillier, G.S. Kuncio, R.T. Hanlon et al. 1997. Ribosomal RNA phylogeny of selected major clades in the Mollusca. Journal of Molluscan Studies 63: 301-309. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 2A
  +----------- Cumberlandia_monodonta     
  |                                       
  +----------- None__2                    
  |                                       
  |        +-- Margaritifera_falcata      
  +--------+                              
--+        +-- Margaritifera_margaritifera
  |                                       
  |  +-------- None__1                    
  |  |                                    
  |  |  +----- Anodonta_anatina           
  |  |  |                                 
  |  |  |  +-- Gonidea_angulata           
  +--+  |  |                              
     |  |  +-- Pyganodon_grandis          
     |  |  |                              
     |  |  +-- Utterbackia_imbecillis     
     |  |  |                              
     |  |  +-- Pyganodon_cataracta        
     +--+  |                              
        |  +-- Lampsilis_straminea        
        |  |                              
        |  +-- Lampsilis_teres            
        |  |                              
        |  +-- Megalonaias_nervosa        
        |  |                              
        |  +-- Obliquaria_reflexa         
        |  |                              
        +--+-- Theliderma_cylindrica      
           |                              
           +-- Quadrula_quadrula          
           |                              
           +-- Uniomerus_tetralasmus      
           |                              
           +-- Amblema_plicata            
           |                              
           +-- Elliptio_complanata        
           |                              
           +-- Fusconaia_cerina           
           |                              
           +-- Plectomerus_dombeyanus     
           |                              
           +-- Pleurobema_cordatum        
           |                              
           +-- Unio_pictorum              
Cladogram Figure 2B
  +-------- Cumberlandia_monodonta     
  |                                    
  +-------- None__1                    
  |                                    
  +-------- None__2                    
  |                                    
  |     +-- Margaritifera_falcata      
  +-----+                              
  |     +-- Margaritifera_margaritifera
--+                                    
  |  +----- Anodonta                   
  |  |                                 
  |  |  +-- Gonidea_angulata           
  |  |  |                              
  |  |  +-- Pyganodon_grandis          
  |  |  |                              
  |  |  +-- Utterbackia_imbecillis     
  |  |  |                              
  |  |  +-- Pyganodon_cataracta        
  +--+  |                              
     |  +-- Lampsilis_straminea        
     |  |                              
     |  +-- Lampsilis_teres            
     |  |                              
     |  +-- Megalonaias_nervosa        
     |  |                              
     |  +-- Obliquaria_reflexa         
     |  |                              
     +--+-- Theliderma_cylindrica      
        |                              
        +-- Quadrula_quadrula          
        |                              
        +-- Uniomerus_tetralasmus      
        |                              
        +-- Amblema_plicata            
        |                              
        +-- Elliptio_complanata        
        |                              
        +-- Fusconaia_cerina           
        |                              
        +-- Plectomerus_dombeyanus     
        |                              
        +-- Aculamprotula_tortuosa     
        |                              
        +-- Unio_pictorum              
 
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