Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Amblemini

genus Plectomerus Conrad, 1853: cladomics

1 Recent valid species (1 total species)

Cladomics pages are experimental — even more so than the rest of this site!

The purpose of the cladomics pages for each genus and family-group level taxon is to provide statistics and references indicating the extent to which published phylogenetic work supports the classification used here.

The Cladomics Summary provides an overview of the number of studies that have included terminal species representing this taxon as well as an indication of how frequently it has been recovered as monophyletic.

Following the summary, the available published clades representing the taxon are listed.

For more information, visit the Cladomics FARQ (frequently asked rhetorical questions) page. Abbreviations for the various statistics are explained on the FARQ!

Cladomics Summary

number of species = 1 (1 total)
analyzed in 44 cladograms in 23 publications
maximum number of terminals in an analysis = 1 (mean = 1, median = 1)

Cladograms

Pfeiffer et al., 2019 [Publ 3937], fig. 4-5

** Top Monophyly Cladogram ** ** Top Sister-Group Cladogram **

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 56 2 2 ** 
  +----- Reginaia              
--+                            
  |  +-- Plectomerus_dombeyanus **
  +--+                         
     +-- Amblema

Serb et al., 2003 [Publ 2659], fig. 2

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 28 2 2 0.0 
  +-- Elliptoideus          
--+                         
  +-- Plectomerus_dombeyanus **

Serb et al., 2003 [Publ 2659], fig. 3

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 28 2 2 0.0 
  +-- Elliptoideus          
--+                         
  +-- Plectomerus_dombeyanus **

Campbell et al., 2005 [Publ 2660], fig. 1

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 101 4 2 0.0 
  +-- Plectomerus_dombeyanus **
--+                         
  +-- Reginaia

Campbell et al., 2005 [Publ 2660], fig. 2

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 101 4 2 0.0 
  +-- Plectomerus_dombeyanus **
--+                         
  +-- Toxolasma

Campbell & Lydeard, 2012 [Publ 3308], fig. 1

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 41 4 2 0.0 
  +-------- Plectomerus_dombeyanus **
--+                               
  |  +----- Lemiox                
  +--+                            
     |  +-- Lampsilis             
     +--+                         
        +-- Obovaria

Campbell & Lydeard, 2012 [Publ 3308], fig. 2

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 41 4 2 0.0 
  +-------- Cyrtonaias            
  |                               
--+-------- Plectomerus_dombeyanus **
  |                               
  |  +----- Lemiox                
  +--+                            
     |  +-- Lampsilis             
     +--+                         
        +-- Obovaria

Campbell & Lydeard, 2012 [Publ 3308], fig. 3

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 42 4 2 0.0 
  +----------- Plectomerus_dombeyanus **
--+                                  
  |  +-------- Obovaria_unicolor     
  +--+                               
     |  +----- Obovaria_olivaria     
     +--+                            
        |  +-- Lampsilis             
        +--+                         
           +-- Lemiox

Campbell & Lydeard, 2012 [Publ 3308], fig. 4

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 41 4 2 0.0 
  +-------- Plectomerus_dombeyanus **
  |                               
  |     +-- Cyrtonaias            
--+-----+                         
  |     +-- Reginaia              
  |                               
  |  +----- Lemiox                
  +--+                            
     |  +-- Lampsilis             
     +--+                         
        +-- Obovaria

Campbell & Lydeard, 2012 [Publ 3309], fig. 1-2

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 72 4 2 0.0 
  +-- Plectomerus_dombeyanus **
--+                         
  +-- Reginaia

Campbell & Lydeard, 2012 [Publ 3309], fig. 3

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 72 4 2 0.0 
  +-- Toxolasma             
--+                         
  +-- Plectomerus_dombeyanus **

Inoue et al., 2018 [Publ 3858], fig. 1_3a-c

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 104 4 2 0.0 
  +-- Dromus                
  |                         
  +-- Epioblasma            
  |                         
  +-- Glebula               
  |                         
  +-- Lampsilis_ovata       
  |                         
  +-- Lampsilis_virescens   
  |                         
  +-- Lemiox                
--+                         
  +-- Obliquaria            
  |                         
  +-- Obovaria_olivaria     
  |                         
  +-- Obovaria_unicolor     
  |                         
  +-- Plectomerus_dombeyanus **
  |                         
  +-- Potamilus_alatus      
  |                         
  +-- Potamilus_capax

Pfeiffer et al., 2019 [Publ 3937], fig. 6

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 56 2 2 0.0 
  +----- Reginaia              
--+                            
  |  +-- Plectomerus_dombeyanus **
  +--+                         
     +-- Amblema

Smith et al., 2019 [Publ 3951], fig. 2

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 40 2 2 0.0 
  +-------------------------------- Plectomerus_dombeyanus ** 
  |                                                        
  |  +----------------------------- Toxolasma              
--+  |                                                     
  |  |                       +----- Popenaias              
  |  |  +--------------------+                             
  +--+  |                    |  +-- Glebula                
     |  |                    +--+                          
     |  |                       +-- Cyrtonaias             
     |  |                                                  
     +--+  +----------------------- Obliquaria             
        |  |                                               
        |  |                    +-- Medionidus             
        |  |                 +--+                          
        |  |                 |  +-- Lemiox                 
        +--+  +--------------+                             
           |  |              |  +-- Cyprogenia             
           |  |              +--+                          
           |  |                 +-- Ptychobranchus         
           |  |                                            
           +--+           +-------- Potamilus              
              |  +--------+                                
              |  |        |  +----- Atlanticoncha          
              |  |        +--+                             
              |  |           |  +-- Ellipsaria             
              |  |           +--+                          
              +--+              +-- Truncilla              
                 |                                         
                 |              +-- Hamiota                
                 |  +-----------+                          
                 |  |           +-- Villosa                
                 |  |                                      
                 +--+  +----------- Ligumia                
                    |  |                                   
                    |  |     +----- Venustaconcha          
                    +--+  +--+                             
                       |  |  |  +-- Obovaria               
                       |  |  +--+                          
                       +--+     +-- Epioblasma             
                          |                                
                          |  +----- Ortmanniana_pectorosa  
                          +--+                             
                             |  +-- Ortmanniana_ligamentina
                             +--+                          
                                +-- Lampsilis

Smith et al., 2020 [Publ 4129], fig. 1

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 27 2 2 0.0 
  +----- Reginaia              
--+                            
  |  +-- Amblema               
  +--+                         
     +-- Plectomerus_dombeyanus **

Smith et al., 2020 [Publ 4129], fig. 2-3

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 27 2 2 0.0 
  +----- Reginaia              
--+                            
  |  +-- Amblema               
  +--+                         
     +-- Plectomerus_dombeyanus **

Campbell & Lydeard, 2026 [Publ 4810], fig. 6-14

cstiTtTbiriSoTroTroSiD
0.750 1 1 0 1 632 5 2 0.0 
  +-- Obliquaria            
--+                         
  +-- Plectomerus_dombeyanus **

Lydeard et al., 1996 [Publ 2656], fig. 3

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 26 1 1 0.0 
  +-- Plectomerus_dombeyanus **
--+                         
  +-- Obliquaria

Lydeard et al., 1996 [Publ 2656], fig. 4

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 27 1 1 0.0 
  +----------------------- Plectomerus_dombeyanus **
--+                                              
  |  +-------------------- Obliquaria            
  +--+                                           
     |  +----------------- Medionidus            
     +--+                                        
        |  +-------------- Ptychobranchus        
        +--+                                     
           |  +----------- Potamilus_fragilis    
           +--+                                  
              |  +-------- Potamilus_purpuratus  
              +--+                               
                 |  +----- Ellipsaria            
                 +--+                            
                    |  +-- Villosa               
                    +--+                         
                       +-- Lampsilis

Rosenberg et al., 1997 [Publ 2720], fig. 2A

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 21 1 1 0.0 
  +-- Gonidea               
  |                         
  +-- Pyganodon_grandis     
  |                         
  +-- Utterbackia           
  |                         
  +-- Pyganodon_cataracta   
  |                         
  +-- Lampsilis_straminea   
  |                         
  +-- Lampsilis_teres       
  |                         
  +-- Megalonaias           
  |                         
  +-- Obliquaria            
  |                         
--+-- Theliderma            
  |                         
  +-- Quadrula              
  |                         
  +-- Uniomerus             
  |                         
  +-- Amblema               
  |                         
  +-- Elliptio              
  |                         
  +-- Fusconaia             
  |                         
  +-- Plectomerus_dombeyanus **
  |                         
  +-- Pleurobema            
  |                         
  +-- Unio

Rosenberg et al., 1997 [Publ 2720], fig. 2B

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 21 1 1 0.0 
  +-- Gonidea               
  |                         
  +-- Pyganodon_grandis     
  |                         
  +-- Utterbackia           
  |                         
  +-- Pyganodon_cataracta   
  |                         
  +-- Lampsilis_straminea   
  |                         
  +-- Lampsilis_teres       
  |                         
  +-- Megalonaias           
  |                         
  +-- Obliquaria            
  |                         
--+-- Theliderma            
  |                         
  +-- Quadrula              
  |                         
  +-- Uniomerus             
  |                         
  +-- Amblema               
  |                         
  +-- Elliptio              
  |                         
  +-- Fusconaia             
  |                         
  +-- Plectomerus_dombeyanus **
  |                         
  +-- Scriptolamprotula     
  |                         
  +-- Unio

Huang et al., 2002 [Publ 2657], fig. 1

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 33 1 1 0.0 
  +-- Obliquaria            
--+                         
  +-- Plectomerus_dombeyanus **

Huang et al., 2002 [Publ 2657], fig. 2

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 33 1 1 0.0 
  +-- Obliquaria            
--+                         
  +-- Plectomerus_dombeyanus **

Krebs et al., 2003 [Publ 2691], fig. 3

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 32 1 1 0.0 
  +-- Plectomerus_dombeyanus **
--+                         
  +-- Obliquaria

Curole & Kocher, 2005 [Publ 2682], fig. 1

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 10 1 1 0.0 
  +----------- Plectomerus_dombeyanus **
--+                                  
  |  +-------- Leaunio               
  +--+                               
     |  +----- Lampsilis_straminea   
     +--+                            
        |  +-- Lampsilis_teres       
        +--+                         
           +-- Potamilus

Curole & Kocher, 2005 [Publ 2682], fig. 1-M

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 11 1 1 0.0 
  +----------- Plectomerus_dombeyanus **
  |                                  
--+  +-------- Amblema               
  |  |                               
  +--+     +-- Potamilus             
     |  +--+                         
     |  |  +-- Glebula               
     +--+                            
        |  +-- Leaunio               
        +--+                         
           +-- Lampsilis

Chapman et al., 2008 [Publ 2667], fig. 1

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 20 1 1 0.0 
  +-------------------------------- Plectomerus_dombeyanus **
  |                                                       
--+  +----------------------------- Popenaias             
  |  |                                                    
  +--+  +-------------------------- Toxolasma             
     |  |                                                 
     +--+  +----------------------- Obliquaria            
        |  |                                              
        |  |                    +-- Cyrtonaias            
        +--+  +-----------------+                         
           |  |                 +-- Glebula               
           |  |                                           
           +--+                 +-- Ptychobranchus        
              |  +--------------+                         
              |  |              +-- Lemiox                
              |  |                                        
              +--+              +-- Venustaconcha         
                 |  +-----------+                         
                 |  |           +-- Obovaria              
                 +--+                                     
                    |  +----------- Hamiota               
                    +--+                                  
                       |  +-------- Lampsilis_ovata       
                       +--+                               
                          |  +----- Ortmanniana           
                          +--+                            
                             |  +-- Lampsilis_straminea   
                             +--+                         
                                +-- Lampsilis_hydiana

Chapman et al., 2008 [Publ 2744], fig. 2

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 20 1 1 0.0 
  +-------------------------------- Plectomerus_dombeyanus **
  |                                                       
--+  +----------------------------- Popenaias             
  |  |                                                    
  +--+  +-------------------------- Toxolasma             
     |  |                                                 
     +--+  +----------------------- Obliquaria            
        |  |                                              
        |  |                    +-- Cyrtonaias            
        +--+  +-----------------+                         
           |  |                 +-- Glebula               
           |  |                                           
           +--+                 +-- Ptychobranchus        
              |  +--------------+                         
              |  |              +-- Lemiox                
              |  |                                        
              +--+              +-- Venustaconcha         
                 |  +-----------+                         
                 |  |           +-- Obovaria              
                 +--+                                     
                    |  +----------- Hamiota               
                    +--+                                  
                       |  +-------- Lampsilis_ovata       
                       +--+                               
                          |  +----- Ortmanniana           
                          +--+                            
                             |  +-- Lampsilis_straminea   
                             +--+                         
                                +-- Lampsilis_hydiana

Burlakova et al., 2012 [Publ 3486], fig. 1

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 40 2 1 0.0 
  +-- Lampsilis             
--+                         
  +-- Plectomerus_dombeyanus **

Perkins et al., 2017 [Publ 3777], fig. 2

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 36 1 1 0.0 
  +-------------------- Amblema               
  |                                           
--+-------------------- Plectomerus_dombeyanus **
  |                                           
  |  +----------------- Pleurobema            
  +--+                                        
     |  +-------------- Pleuronaia            
     +--+                                     
        |  +----------- Fusconaia             
        +--+                                  
           |  +-------- Parvaspina            
           +--+                               
              |  +----- Elliptio              
              +--+                            
                 |  +-- Eurynia               
                 +--+                         
                    +-- Hemistena

Huang et al., 2019 [Publ 3843], fig. 2

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 200 1 1 0.0 
  +-- Obliquaria            
--+                         
  +-- Plectomerus_dombeyanus **

Huang et al., 2019 [Publ 3843], fig. S3

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 198 1 1 0.0 
  +-- Obliquaria            
--+                         
  +-- Plectomerus_dombeyanus **

Huang et al., 2019 [Publ 3843], fig. S4

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 200 1 1 0.0 
  +-- Obliquaria            
--+                         
  +-- Plectomerus_dombeyanus **

Burlakova et al., 2019 [Publ 3899], fig. 1

cstiTtTbiriSoTroTroSiD
0.667 1 1 0 1 32 1 1 0.0 
  +----------------------- Plectomerus_dombeyanus **
  |                                              
  |  +-------------------- Popenaias             
  |  |                                           
  |  |                 +-- Elliptio              
  |  +-----------------+                         
--+  |                 +-- Pleurobema            
  |  |                                           
  |  |                 +-- Cyrtonaias            
  |  |              +--+                         
  |  |              |  +-- Glebula               
  |  +--------------+                            
  +--+              |  +-- Reginaia              
     |              +--+                         
     |                 +-- Obliquaria            
     |                                           
     |  +----------------- Toxolasma             
     |  |                                        
     |  |  +-------------- Potamilus             
     |  |  |                                     
     |  |  |           +-- Ellipsaria            
     |  |  +-----------+                         
     +--+  |           +-- Truncilla             
        |  |                                     
        |  |        +----- Medionidus            
        |  +--------+                            
        |  |        |  +-- Lemiox                
        |  |        +--+                         
        +--+           +-- Dromus                
           |                                     
           |  +----------- Cambarunio            
           |  |                                  
           |  +----------- Leaunio               
           |  |                                  
           |  +----------- Villosa               
           |  |                                  
           |  |        +-- Sagittunio            
           |  +--------+                         
           +--+        +-- Lampsilis_ovata       
              |                                  
              |     +----- Venustaconcha         
              +-----+                            
              |     |  +-- Epioblasma            
              |     +--+                         
              |        +-- Obovaria              
              |                                  
              |  +-------- Lampsilis_teres       
              +--+                               
                 |  +----- Lampsilis_siliquoidea 
                 +--+                            
                    |  +-- Lampsilis_hydiana     
                    +--+                         
                       +-- Lampsilis_straminea

Freeman et al., 2025 [Publ 4443], fig. 3

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 11 1 1 0.0 
  +-- Amblema               
--+                         
  +-- Plectomerus_dombeyanus **

Freeman et al., 2025 [Publ 4443], fig. 4

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 11 1 1 0.0 
  +-- Amblema               
--+                         
  +-- Plectomerus_dombeyanus **

Freeman et al., 2025 [Publ 4443], fig. 5

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 10 1 1 0.0 
  +-- Amblema               
--+                         
  +-- Plectomerus_dombeyanus **

Rosenberg et al., 1994 [Publ 2719], fig. 3

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 18 0 0 0.0 
  +-- Elliptio              
  |                         
  +-- Fusconaia             
  |                         
--+-- Plectomerus_dombeyanus **
  |                         
  +-- Pleurobema            
  |                         
  +-- Unio

Campbell et al., 2008 [Publ 2675], fig. 2

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 25 0 0 0.0 
  +----------------------- Cyrtonaias              
  |                                                
  +----------------------- Plectomerus_dombeyanus **  
  |                                                
  |                    +-- Pleurobema_cordatum     
  |                    |                           
  |           +--------+-- Pleurobema_sintoxia__1  
  |           |        |                           
  |           |        +-- Pleurobema_sintoxia__2  
--+  +--------+                                    
  |  |        |  +-------- Fusconaia               
  |  |        |  |                                 
  |  |        +--+  +----- Pleuronaia              
  |  |           |  |                              
  |  |           |  |  +-- Eurynia                 
  |  |           +--+  |                           
  |  |              |  +-- Hemistena               
  |  |              |  |                           
  +--+              +--+-- Plethobasus             
     |                 |                           
     |                 +-- Parvaspina              
     |                 |                           
     |                 +-- Elliptio                
     |                                             
     |  +----------------- Pleurobema_stabile      
     |  |                                          
     |  |  +-------------- Pleurobema_pyriforme    
     |  |  |                                       
     +--+  |           +-- Pleurobema_georgianum__2
        |  +-----------+                           
        |  |           +-- Pleurobema_athearni     
        |  |                                       
        |  |        +----- Pleurobema_decisum      
        +--+--------+                              
           |        |  +-- Pleurobema_hanleyianum  
           |        +--+                           
           |           +-- Pleurobema_georgianum__1
           |                                       
           |           +-- Pleurobema_clava        
           |  +--------+                           
           |  |        +-- Pleurobema_oviforme     
           +--+                                    
              |  +-------- Pleurobema_rubellum     
              |  |                                 
              +--+-------- Pleurobema_strodeanum   
                 |                                 
                 |  +----- Pleurobema_beadleianum  
                 +--+                              
                    |  +-- Pleurobema_taitianum    
                    +--+                           
                       +-- Pleurobema_perovatum

Campbell et al., 2008 [Publ 2675], fig. 6

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 25 0 0 0.0 
  +-------------------- Cyrtonaias            
  |                                           
  +-------------------- Plectomerus_dombeyanus **
--+                                           
  |  +----------------- Parvaspina            
  |  |                                        
  +--+  +-------------- Hemistena             
     |  |                                     
     +--+           +-- Plethobasus           
        |  +--------+                         
        |  |        +-- Elliptio              
        +--+                                  
           |  +-------- Fusconaia             
           +--+                               
              |  +----- Pleurobema            
              +--+                            
                 |  +-- Eurynia               
                 +--+                         
                    +-- Pleuronaia

Campbell et al., 2008 [Publ 2675], fig. 4

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 24 0 0 0.0 
  +----------------------- Uniomerus                
  |                                                 
  +----------------------- Plectomerus_dombeyanus **   
  |                                                 
  |  +-------------------- Cyrtonaias               
  |  |                                              
  |  +-------------------- Eurynia                  
  |  |                                              
  |  +-------------------- Fusconaia_cerina         
--+  |                                              
  |  +-------------------- Fusconaia_flava          
  |  |                                              
  |  +-------------------- Hemistena                
  |  |                                              
  |  +-------------------- Plethobasus              
  |  |                                              
  |  +-------------------- Parvaspina               
  |  |                                              
  +--+-------------------- Pleurobema_cordatum      
     |                                              
     +-------------------- Pleuronaia               
     |                                              
     +-------------------- Pleurobema_oviforme__2   
     |                                              
     +-------------------- Pleurobema_stabile       
     |                                              
     +-------------------- Elliptio                 
     |                                              
     |  +----------------- Pleurobema_decisum       
     |  |                                           
     |  +----------------- Pleurobema_sintoxia      
     |  |                                           
     |  +----------------- Pleurobema_clava         
     +--+                                           
        +----------------- Pleurobema_oviforme__1   
        |                                           
        |  +-------------- Pleurobema_beadleianum   
        |  |                                        
        +--+  +----------- Pleurobema_pyriforme     
           |  |                                     
           +--+  +-------- Pleurobema_rubellum      
              |  |                                  
              |  +-------- Pleurobema_hanleyianum__2
              +--+                                  
                 +-------- Pleurobema_georgianum__2 
                 |                                  
                 |  +----- Pleurobema_hanleyianum__1
                 +--+                               
                    |  +-- Pleurobema_georgianum__1 
                    +--+                            
                       +-- Pleurobema_athearni

Campbell et al., 2008 [Publ 2675], fig. 5

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 24 0 0 0.0 
  +----------- Uniomerus                
  |                                     
  +----------- Plectomerus_dombeyanus **   
  |                                     
  |        +-- Elliptio_arctata         
  |  +-----+                            
  |  |     +-- Elliptio_crassidens      
  |  |                                  
  |  |  +----- Pleurobema_decisum       
--+  |  |                               
  |  |  +----- Pleurobema_rubellum      
  |  |  |                               
  |  |  +----- Pleurobema_georgianum__2 
  |  |  |                               
  |  |  +----- Pleurobema_stabile       
  |  |  |                               
  |  |  +----- Pleurobema_pyriforme     
  |  |  |                               
  +--+  +----- Pleurobema_oviforme__2   
     |  |                               
     |  +----- Pleurobema_hanleyianum__2
     |  |                               
     |  +----- Pleuronaia               
     |  |                               
     |  +----- Pleurobema_georgianum__3 
     |  |                               
     |  +----- Pleurobema_cordatum      
     |  |                               
     |  +----- Pleurobema_beadleianum   
     |  |                               
     |  +----- Hemistena                
     +--+                               
        +----- Fusconaia_flava          
        |                               
        +----- Fusconaia_cerina         
        |                               
        +----- Eurynia                  
        |                               
        +----- Elliptio_arca            
        |                               
        +----- Cyrtonaias               
        |                               
        |  +-- Plethobasus              
        +--+                            
        |  +-- Parvaspina               
        |                               
        |  +-- Pleurobema_sintoxia      
        |  |                            
        +--+-- Pleurobema_oviforme__1   
        |  |                            
        |  +-- Pleurobema_clava         
        |                               
        |  +-- Pleurobema_athearni      
        |  |                            
        +--+-- Pleurobema_georgianum__1 
           |                            
           +-- Pleurobema_hanleyianum__1

Burlakova et al., 2012 [Publ 3486], fig. 3

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 35 0 0 0.0 
  +-------------------------- Plectomerus_dombeyanus **
  |                                                 
  |  +----------------------- Hemistena             
--+  |                                              
  |  +----------------------- Pleurobema_stabile    
  |  |                                              
  +--+  +-------------------- Eurynia               
     |  |                                           
     |  |           +-------- Pleurobema_riddellii  
     |  |           |                               
     |  |  +--------+  +----- Pleurobema_sintoxia__2
     +--+  |        |  |                            
        |  |        +--+----- Pleurobema_sintoxia__3
        |  |           |                            
        |  |           |  +-- Pleurobema_cordatum   
        |  |           +--+                         
        |  |              +-- Pleurobema_sintoxia__1
        +--+                                        
           |  +-------------- Parvaspina            
           |  |                                     
           |  +-------------- Pleuronaia            
           |  |                                     
           |  +-------------- Fusconaia             
           |  |                                     
           |  |           +-- Plethobasus           
           +--+-----------+                         
              |           +-- Elliptio              
              |                                     
              |           +-- Pleurobema_clava      
              |  +--------+                         
              |  |        +-- Pleurobema_oviforme   
              |  |                                  
              |  |  +-------- Pleurobema_decisum    
              +--+  |                               
                 |  +-------- Pleurobema_pyriforme  
                 |  |                               
                 |  +-------- Pleurobema_hanleyianum
                 +--+                               
                    +-------- Pleurobema_georgianum 
                    |                               
                    |  +----- Pleurobema_rubellum   
                    |  |                            
                    |  +----- Pleurobema_beadleianum
                    +--+                            
                       +----- Pleurobema_strodeanum 
                       |                            
                       |  +-- Pleurobema_perovatum  
                       +--+                         
                          +-- Pleurobema_taitianum

Perkins et al., 2017 [Publ 3777], fig. 3

cstiTtTbiriSoTroTroSiD
1.000 1 1 0 1 23 0 0 0.0 
  +-------------------- Plectomerus_dombeyanus **
  |                                           
  +-------------------- Uniomerus             
  |                                           
--+  +----------------- Parvaspina            
  |  |                                        
  |  |  +-------------- Elliptio_arca         
  |  |  |                                     
  +--+  +-------------- Hemistena             
     |  |                                     
     |  |           +-- Elliptio_arctata      
     |  +-----------+                         
     |  |           +-- Elliptio_crassidens   
     +--+                                     
        |  +----------- Eurynia               
        |  |                                  
        |  |  +-------- Pleurobema_oviforme   
        |  |  |                               
        |  |  +-------- Pleurobema_clava      
        |  |  |                               
        +--+  +-------- Pleurobema_pyriforme  
           |  |                               
           |  +-------- Pleurobema_georgianum 
           |  |                               
           |  +-------- Pleurobema_beadleianum
           |  |                               
           +--+-------- Pleurobema_hanleyianum
              |                               
              +-------- Pleurobema_decisum    
              |                               
              |     +-- Pleurobema_sintoxia   
              +-----+                         
              |     +-- Pleurobema_rubellum   
              |                               
              |  +----- Elliptio_spinosa      
              |  |                            
              +--+  +-- Fusconaia_escambia    
                 |  |                         
                 |  +-- Fusconaia_flava       
                 +--+                         
                    +-- Fusconaia_cerina      
                    |                         
                    +-- Pleuronaia