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Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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Publication Lydeard et al. (2000): cladograms
     publication summary | cladograms

Complete Citation

Lydeard, C., R.L. Minton & J.D. Williams. 2000. Prodigious polyphyly in imperilled freshwater pearly-mussels (Bivalvia: Unionidae): a phylogenetic test of species and generic designations. [in] The Evolutionary Biology of the Bivalvia (Harper et al., eds.). Geological Society, London Special Publications 177: 145-158. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 2a
  +-------------------- Anodonta_cygnea       
  |                                           
  +-------------------- Cumberlandia_monodonta
  |                                           
  |              +----- Lampsilis_teres       
  +--------------+                            
  |              |  +-- Obovaria_unicolor     
  |              +--+                         
  |                 +-- Obovaria_olivaria     
  |                                           
--+                 +-- Reginaia_rotulata__1  
  |                 |                         
  +-----------------+-- Reginaia_rotulata__2  
  |                 |                         
  |                 +-- Reginaia_ebenus       
  |                                           
  |              +----- Quadrula_nobilis      
  |  +-----------+                            
  |  |           |  +-- Pustulosa_infucata    
  |  |           +--+                         
  +--+              +-- Pustulosa_succissa    
     |                                        
     |  +-------------- Pleurobema_decisum    
     +--+                                     
        |  +----------- Fusconaia_flava       
        +--+                                  
           |  +-------- Fusconaia_burkei__1   
           +--+                               
              |  +----- Fusconaia_burkei__2   
              +--+                            
                 |  +-- Fusconaia_burkei__3   
                 +--+                         
                    +-- Fusconaia_escambia    
Cladogram Figure 2b
  +-------------------------- Anodonta_cygnea       
  |                                                 
  +-------------------------- Cumberlandia_monodonta
  |                                                 
  |                    +----- Lampsilis_teres       
--+  +-----------------+                            
  |  |                 |  +-- Obovaria_unicolor     
  |  |                 +--+                         
  |  |                    +-- Obovaria_olivaria     
  |  |                                              
  +--+                    +-- Reginaia_rotulata__1  
     |                    |                         
     |  +-----------------+-- Reginaia_rotulata__2  
     |  |                 |                         
     |  |                 +-- Reginaia_ebenus       
     |  |                                           
     +--+                 +-- Quadrula_nobilis      
        |                 |                         
        |  +--------------+-- Pustulosa_infucata    
        |  |              |                         
        +--+              +-- Pustulosa_succissa    
           |                                        
           |  +-------------- Pleurobema_decisum    
           +--+                                     
              |  +----------- Fusconaia_flava       
              +--+                                  
                 |  +-------- Fusconaia_burkei__1   
                 +--+                               
                    |  +----- Fusconaia_burkei__2   
                    +--+                            
                       |  +-- Fusconaia_burkei__3   
                       +--+                         
                          +-- Fusconaia_escambia    
Cladogram Figure 2c
  +-------------- Anodonta_cygnea       
  |                                     
  +-------------- Cumberlandia_monodonta
  |                                     
  |        +----- Quadrula_nobilis      
  +--------+                            
  |        |  +-- Pustulosa_infucata    
  |        +--+                         
  |           +-- Pustulosa_succissa    
--+                                     
  |        +----- Obovaria_unicolor     
  +--------+                            
  |        |  +-- Obovaria_olivaria     
  |        +--+                         
  |           +-- Lampsilis_teres       
  |                                     
  |           +-- Reginaia_ebenus       
  |  +--------+                         
  |  |        +-- Reginaia_rotulata     
  +--+                                  
     |  +-------- Pleurobema_decisum    
     |  |                               
     +--+  +----- Fusconaia_flava       
        |  |                            
        +--+  +-- Fusconaia_burkei__1   
           |  |                         
           |  +-- Fusconaia_burkei__2   
           +--+                         
              +-- Fusconaia_burkei__3   
              |                         
              +-- Fusconaia_escambia    
Cladogram Figure 2d
  +-------------------------- Anodonta_cygnea       
  |                                                 
  +-------------------------- Cumberlandia_monodonta
  |                                                 
--+                       +-- Reginaia_ebenus       
  |  +--------------------+                         
  |  |                    +-- Reginaia_rotulata     
  |  |                                              
  |  |                 +----- Lampsilis_teres       
  +--+  +--------------+                            
     |  |              |  +-- Obovaria_unicolor     
     |  |              +--+                         
     |  |                 +-- Obovaria_olivaria     
     +--+                                           
        |                 +-- Quadrula_nobilis      
        |                 |                         
        |  +--------------+-- Pustulosa_infucata    
        |  |              |                         
        +--+              +-- Pustulosa_succissa    
           |                                        
           |  +-------------- Pleurobema_decisum    
           +--+                                     
              |  +----------- Fusconaia_flava       
              +--+                                  
                 |  +-------- Fusconaia_burkei__1   
                 +--+                               
                    |  +----- Fusconaia_burkei__2   
                    +--+                            
                       |  +-- Fusconaia_burkei__3   
                       +--+                         
                          +-- Fusconaia_escambia    
 
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