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Page last updated
Thu 3 September 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!

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Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae

tribe AMBLEMINI Rafinesque, 1820: cladomics
     3 genera

Cladomics Summary

number of species = 7 (16 total)
number of subtaxa (rank: genus) = 3
analyzed in 143 cladograms in 94 publications
maximum number of terminals in an analysis = 6 (mean = 1.78, median = 1)
maximum number of subtaxa (genus) = 3 (mean = 1.44, median = 1)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 56
maximum number of included terminals = 6, (mean = 3 median = 2)
maximum number of subtaxa (genus) = 3 (mean = 2.13, median = 2)
proportion of cladograms that support basic monophyly = 0.38

Rigorous Monophyly

number of cladograms that test rigorous monophyly = 46
(Rigorous monophyly refers to cladograms with terminal species representing more than one subtaxon (genus) taxon and at least one rigorous outgroup (family).
maximum number of included terminals = 6 (mean = 3.17, median = 3)
maximum number of subtaxa (genus) = 3 (mean = 2.37, median = 2)
proportion of cladograms that support rigorous monophyly = 0.24


Pairwise Cladogram Clustering

The graphs below depict in two dimensions all pair-wise ingroup distances within the cladome. See the Cladmoics FARQ for more information.


PCoA Ordination


NJ Tree


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

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

iTtTbiriSoTroTroSiD
6105122362618540
                                                                             +-- Quadrulini                
  +--------------------------------------------------------------------------+                             
  |                                                                          +-- Pleurobemini              
  |                                                                                                        
  |                                                                       +----- Amblema **                   
--+  +--------------------------------------------------------------------+                                
  |  |                                                                    |  +-- Nephronaias               
  |  |                                                                    +--+                             
  |  |                                                                       +-- Psoronaias                
  |  |                                                                                                     
  +--+  +----------------------------------------------------------------------- Reginaia **                  
     |  |                                                                                                  
     |  |                                                                 +----- Popenaias                 
     |  |  +--------------------------------------------------------------+                                
     |  |  |                                                              |  +-- Cyrtonaias                
     +--+  |                                                              +--+                             
        |  |                                                                 +-- Glebula                   
        |  |                                                                                               
        |  |  +----------------------------------------------------------------- Paetulunio                
        |  |  |                                                                                            
        +--+  |                                               +----------------- Toxolasma_parvum          
           |  |                                               |                                            
           |  |                                               |           +----- Toxolasma_lividum__2      
           |  |                                               |  +--------+                                
           |  |  +--------------------------------------------+  |        |  +-- Toxolasma_cylindrellus    
           |  |  |                                            |  |        +--+                             
           |  |  |                                            |  |           +-- Toxolasma_lividum__1      
           |  |  |                                            |  |                                         
           +--+  |                                            +--+     +-------- Toxolasma_texasiense__2   
              |  |                                               |  +--+                                   
              |  |                                               |  |  |  +----- Toxolasma_glans           
              |  |                                               |  |  +--+                                
              |  |                                               |  |     |  +-- Toxolasma_paulum          
              |  |                                               +--+     +--+                             
              |  |                                                  |        +-- Toxolasma_texasiense__1   
              |  |                                                  |                                      
              |  |                                                  |  +-------- Toxolasma__4              
              |  |                                                  +--+                                   
              +--+                                                     |  +----- Toxolasma_granulatum      
                 |                                                     +--+                                
                 |                                                        |  +-- Toxolasma__2              
                 |                                                        +--+                             
                 |                                                           +-- Toxolasma__3              
                 |                                                                                         
                 |                                                        +----- Toxolasma_pullus          
                 |  +-----------------------------------------------------+                                
                 |  |                                                     |  +-- Toxolasma_germanum        
                 |  |                                                     +--+                             
                 |  |                                                        +-- Toxolasma__1              
                 |  |                                                                                      
                 |  |                                                        +-- Obliquaria                
                 |  |  +-----------------------------------------------------+                             
                 |  |  |                                                     +-- Plectomerus **               
                 +--+  |                                                                                   
                    |  |                                               +-------- Potamilus_inflatus        
                    |  |                                      +--------+                                   
                    |  |                                      |        |  +----- Potamilus_ohiensis        
                    |  |                                      |        +--+                                
                    |  |                                      |           |  +-- Potamilus_amphichaenus    
                    |  |                                      |           +--+                             
                    |  |  +-----------------------------------+              +-- Potamilus_streckersoni    
                    |  |  |                                   |                                            
                    +--+  |                                   |           +----- Potamilus_fragilis__2     
                       |  |                                   |  +--------+                                
                       |  |                                   |  |        |  +-- Potamilus_leptodon        
                       |  |                                   |  |        +--+                             
                       |  |                                   +--+           +-- Potamilus_fragilis__1     
                       |  |                                      |                                         
                       |  |                                      |  +----------- Potamilus_metnecktayi     
                       |  |                                      |  |                                      
                       |  |                                      +--+  +-------- Potamilus_alatus__3       
                       |  |                                         |  |                                   
                       |  |                                         +--+  +----- Potamilus_alatus__2       
                       +--+                                            |  |                                
                          |                                            +--+----- Potamilus_purpuratus__2   
                          |                                               |                                
                          |                                               |  +-- Potamilus_alatus__1       
                          |                                               +--+                             
                          |                                                  +-- Potamilus_purpuratus__1   
                          |                                                                                
                          |                                                  +-- Villosa_villosa           
                          |  +-----------------------------------------------+                             
                          |  |                                               +-- Atlanticoncha             
                          |  |                                                                             
                          |  |                                               +-- Cambarunio_nebulosus      
                          |  |  +--------------------------------------------+                             
                          +--+  |                                            +-- Ligumia                   
                             |  |                                                                          
                             |  |                                      +-------- Leaunio_umbrans           
                             |  |  +-----------------------------------+                                   
                             |  |  |                                   |  +----- Cambarunio_taeniatus      
                             +--+  |                                   +--+                                
                                |  |                                      |  +-- Cambarunio_iris           
                                |  |                                      +--+                             
                                |  |                                         +-- Cambarunio_simus          
                                |  |                                                                       
                                |  |  +----------------------------------------- Hamiota                   
                                |  |  |                                                                    
                                +--+  |                 +----------------------- Pachynaias                
                                   |  |                 |                                                  
                                   |  |  +--------------+  +-------------------- Sagittunio                
                                   |  |  |              |  |                                               
                                   |  |  |              |  |              +----- Ellipsaria                
                                   |  |  |              +--+  +-----------+                                
                                   |  |  |                 |  |           |  +-- Potamilus_capax           
                                   |  |  |                 |  |           +--+                             
                                   |  |  |                 |  |              +-- Truncilla                 
                                   +--+  |                 +--+                                            
                                      |  |                    |           +----- Medionidus_acutissimus    
                                      |  |                    |  +--------+                                
                                      |  |                    |  |        |  +-- Lemiox                    
                                      |  |                    |  |        +--+                             
                                      |  |                    +--+           +-- Medionidus_penicillatus   
                                      |  |                       |                                         
                                      |  |                       |  +----------- Ptychobranchus            
                                      |  |                       |  |                                      
                                      |  |                       +--+        +-- Cyprogenia_aberti__2      
                                      |  |                          |  +-----+                             
                                      +--+                          |  |     +-- Dromus                    
                                         |                          +--+                                   
                                         |                             |  +----- Cyprogenia_stegaria__2    
                                         |                             +--+                                
                                         |                                |  +-- Cyprogenia_aberti__1      
                                         |                                +--+                             
                                         |                                   +-- Cyprogenia_stegaria__1    
                                         |                                                                 
                                         |                                   +-- Villosa_delumbis          
                                         |  +--------------------------------+                             
                                         |  |                                +-- Villosa_vibex             
                                         |  |                                                              
                                         |  |                    +-------------- Obovaria_olivaria         
                                         |  |                    |                                         
                                         |  |  +-----------------+           +-- Venustaconcha             
                                         |  |  |                 |  +--------+                             
                                         |  |  |                 |  |        +-- Epioblasma                
                                         |  |  |                 +--+                                      
                                         |  |  |                    |  +-------- Obovaria_retusa           
                                         +--+  |                    +--+                                   
                                            |  |                       |  +----- Obovaria_choctawensis     
                                            |  |                       +--+                                
                                            |  |                          |  +-- Obovaria_unicolor         
                                            |  |                          +--+                             
                                            |  |                             +-- Obovaria_subrotunda       
                                            |  |                                                           
                                            |  |                             +-- Mesonaias                 
                                            |  |     +-----------------------+                             
                                            |  |     |                       +-- Obovaria_arkansasensis    
                                            |  |     |                                                     
                                            +--+  +--+                       +-- Lampsilis_splendida       
                                               |  |  |  +--------------------+                             
                                               |  |  |  |                    +-- Lampsilis_bracteata       
                                               |  |  |  |                                                  
                                               |  |  +--+                    +-- Lampsilis_fasciola        
                                               |  |     |  +-----------------+                             
                                               |  |     |  |                 +-- Ortmanniana_pectorosa     
                                               |  |     +--+                                               
                                               |  |        |  +----------------- Lampsilis_ornata          
                                               |  |        |  |                                            
                                               |  |        +--+  +-------------- Lampsilis_ovata__2        
                                               |  |           |  |                                         
                                               |  |           +--+  +----------- Lampsilis_dolabraeformis  
                                               |  |              |  |                                      
                                               |  |              |  |     +----- Lampsilis_cardium__2      
                                               |  |              +--+  +--+                                
                                               |  |                 |  |  |  +-- Lampsilis_cardium__1      
                                               +--+                 |  |  +--+                             
                                                  |                 +--+     +-- Lampsilis_satura          
                                                  |                    |                                   
                                                  |                    |  +----- Lampsilis_cariosa__2      
                                                  |                    +--+                                
                                                  |                       |  +-- Lampsilis_ovata__1        
                                                  |                       +--+                             
                                                  |                          +-- Lampsilis_cariosa__1      
                                                  |                                                        
                                                  |                 +----------- Ortmanniana_ligamentina__2
                                                  |  +--------------+                                      
                                                  |  |              |  +-------- Lampsilis_abrupta         
                                                  |  |              +--+                                   
                                                  |  |                 |  +----- Lampsilis_higginsii__2    
                                                  |  |                 +--+                                
                                                  |  |                    |  +-- Ortmanniana_ligamentina__1
                                                  |  |                    +--+                             
                                                  +--+                       +-- Lampsilis_higginsii__1    
                                                     |                                                     
                                                     |                    +----- Medionidus_conradicus     
                                                     |  +-----------------+                                
                                                     |  |                 |  +-- Leaunio_lienosus          
                                                     |  |                 +--+                             
                                                     |  |                    +-- Leaunio_vanuxemensis      
                                                     |  |                                                  
                                                     +--+                    +-- Lampsilis_floridensis     
                                                        |  +-----------------+                             
                                                        |  |                 +-- Lampsilis_teres           
                                                        |  |                                               
                                                        |  |                 +-- Lampsilis_siliquoidea__1  
                                                        +--+                 |                             
                                                           |                 +-- Lampsilis_siliquoidea__2  
                                                           |  +--------------+                             
                                                           |  |              +-- Lampsilis_powellii__1     
                                                           |  |              |                             
                                                           +--+              +-- Lampsilis_powellii__2     
                                                              |                                            
                                                              |  +-------------- Lampsilis_sietmani        
                                                              |  |                                         
                                                              +--+           +-- Lampsilis_straminea__2    
                                                                 |  +--------+                             
                                                                 |  |        +-- Lampsilis_virescens       
                                                                 +--+                                      
                                                                    |  +-------- Lampsilis_hydiana__2      
                                                                    +--+                                   
                                                                       |  +----- Lampsilis_hydiana__1      
                                                                       +--+                                
                                                                          |  +-- Lampsilis_bergmanni       
                                                                          +--+                             
                                                                             +-- Lampsilis_straminea__1    

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

iTtTbiriSoTroTroSiD
5118337374126
  +----------------- Quadrulini  
  |                              
--+  +-------------- Pleurobemini
  |  |                           
  |  |           +-- Popenaiadini
  +--+  +--------+               
     |  |        +-- Amblema **     
     |  |                        
     +--+  +-------- Plectomerus ** 
        |  |                     
        |  |     +-- Cyrtonaias  
        +--+-----+               
           |     +-- Reginaia **    
           |                     
           |  +----- Lemiox      
           +--+                  
              |  +-- Lampsilis   
              +--+               
                 +-- Obovaria    

Inoue et al., 2020 [Publ 4128], fig. 2

iTtTbiriSoTroTroSiD
52215218183124
  +----------- Quadrulini  
--+                        
  |  +-------- Reginaia **    
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

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

iTtTbiriSoTroTroSiD
54942397854128
  +-------------------------- Quadrulini                    
  |                                                         
  |  +----------------------- Pleurobemini                  
--+  |                                                      
  |  |                 +----- Popenaiadini                  
  |  |  +--------------+                                    
  |  |  |              |  +-- Amblema **                       
  +--+  |              +--+                                 
     |  |                 +-- Reginaia **                      
     |  |                                                   
     |  |                 +-- Plectomerus **                   
     |  |  +--------------+                                 
     +--+  |              +-- Toxolasma                     
        |  |                                                
        |  |           +----- Obliquaria                    
        |  |  +--------+                                    
        |  |  |        |  +-- Cyrtonaias                    
        |  |  |        +--+                                 
        |  |  |           +-- Glebula                       
        |  |  |                                             
        +--+  |  +----------- Sagittunio                    
           |  |  |                                          
           |  |  +----------- Leaunio                       
           |  |  |                                          
           |  |  +----------- Potamilus                     
           |  |  |                                          
           |  |  +----------- Hamiota                       
           |  |  |                                          
           |  |  |        +-- Ellipsaria                    
           +--+  +--------+                                 
              |  |        +-- Truncilla                     
              |  |                                          
              |  |     +----- Lampsilis_teres               
              |  +-----+                                    
              |  |     |  +-- Ortmanniana_ligamentina       
              |  |     +--+                                 
              |  |        +-- Lampsilis_siliquoidea         
              |  |                                          
              |  |     +----- Villosa                       
              |  +-----+                                    
              |  |     |  +-- Ligumia                       
              |  |     +--+                                 
              |  |        +-- Cambarunio                    
              |  |                                          
              +--+  +-------- Ortmanniana_pectorosa         
                 +--+                                       
                 |  |  +----- Lampsilis_ornata              
                 |  +--+                                    
                 |     |  +-- Lampsilis_cardium             
                 |     +--+                                 
                 |        +-- Lampsilis_ovata               
                 |                                          
                 |  +-------- Obovaria_olivaria             
                 |  |                                       
                 |  +-------- Venustaconcha_ellipsiformis__2
                 +--+                                       
                 |  +-------- Epioblasma                    
                 |  |                                       
                 |  |  +----- Obovaria_unicolor             
                 |  +--+                                    
                 |     |  +-- Obovaria_arkansasensis        
                 |     +--+                                 
                 |        +-- Obovaria_subrotunda           
                 |                                          
                 |        +-- Ptychobranchus                
                 |  +-----+                                 
                 |  |     +-- Venustaconcha_ellipsiformis__1
                 |  |                                       
                 +--+  +----- Medionidus_conradicus         
                    |  |                                    
                    |  |  +-- Lemiox                        
                    +--+--+                                 
                       |  +-- Medionidus_acutissimus        
                       |                                    
                       |  +-- Dromus                        
                       +--+                                 
                          +-- Cyprogenia                    

Inoue et al., 2020 [Publ 4128], fig. 3

iTtTbiriSoTroTroSiD
52123217173132
  +----------- Quadrulini  
--+                        
  |  +-------- Reginaia **    
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

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

iTtTbiriSoTroTroSiD
583593100784173
  +-------- Reginaia **           
  |                            
  +-------- Amblema **            
  |                            
  |     +-- Quadrulini         
  +-----+                      
  |     +-- Pleurobemini       
--+                            
  |  +----- Popenaiadini       
  |  |                         
  |  |  +-- Dromus             
  |  |  |                      
  |  |  +-- Epioblasma         
  |  |  |                      
  +--+  +-- Glebula            
     |  |                      
     |  +-- Lampsilis_ovata    
     |  |                      
     |  +-- Lampsilis_virescens
     |  |                      
     |  +-- Lemiox             
     +--+                      
        +-- Obliquaria         
        |                      
        +-- Obovaria_olivaria  
        |                      
        +-- Obovaria_unicolor  
        |                      
        +-- Plectomerus **        
        |                      
        +-- Potamilus_alatus   
        |                      
        +-- Potamilus_capax    

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

iTtTbiriSoTroTroSiD
52119368684131
  +----------------------------------- Quadrulini            
  |                                                          
--+  +-------------------------------- Pleurobemini          
  |  |                                                       
  |  |                             +-- Amblema **               
  +--+  +--------------------------+                         
     |  |                          +-- Reginaia **              
     |  |                                                    
     +--+  +-------------------------- Popenaiadini          
        |  |                                                 
        |  |                       +-- Glebula               
        +--+  +--------------------+                         
           |  |                    +-- Paetulunio            
           |  |                                              
           +--+                    +-- Toxolasma             
              |  +-----------------+                         
              |  |                 +-- Plectomerus **           
              |  |                                           
              +--+  +----------------- Obliquaria            
                 |  |                                        
                 |  |           +----- Potamilus             
                 +--+  +--------+                            
                    |  |        |  +-- Dromus                
                    |  |        +--+                         
                    +--+           +-- Lemiox                
                       |                                     
                       |  +----------- Lampsilis_ovata       
                       |  |                                  
                       +--+  +-------- Lampsilis_virescens   
                          |  |                               
                          +--+     +-- Epioblasma            
                             |  +--+                         
                             |  |  +-- Obovaria_arkansasensis
                             +--+                            
                                |  +-- Obovaria_olivaria     
                                +--+                         
                                   +-- Venustaconcha         

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

iTtTbiriSoTroTroSiD
5119337374125
  +-------------------- Quadrulini  
  |                                 
--+  +----------------- Pleurobemini
  |  |                              
  |  |              +-- Popenaiadini
  +--+  +-----------+               
     |  |           +-- Amblema **     
     |  |                           
     +--+           +-- Cyrtonaias  
        |  +--------+               
        |  |        +-- Reginaia **    
        +--+                        
           |  +-------- Plectomerus ** 
           +--+                     
              |  +----- Lemiox      
              +--+                  
                 |  +-- Lampsilis   
                 +--+               
                    +-- Obovaria    

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

iTtTbiriSoTroTroSiD
5118337374124
  +-------------------- Quadrulini  
  |                                 
--+  +----------------- Pleurobemini
  |  |                              
  +--+              +-- Reginaia **    
     |  +-----------+               
     |  |           +-- Amblema **     
     +--+                           
        |  +----------- Popenaiadini
        |  |                        
        +--+  +-------- Cyrtonaias  
           |  |                     
           +--+-------- Plectomerus ** 
              |                     
              |  +----- Lemiox      
              +--+                  
                 |  +-- Lampsilis   
                 +--+               
                    +-- Obovaria    

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

iTtTbiriSoTroTroSiD
53635338384147
  +-------------------------------- Quadrulini          
  |                                                     
  |                 +-------------- Elliptoideus        
  |  +--------------+                                   
  |  |              |  +----------- Plectomerus **         
--+  |              +--+                                
  |  |                 |  +-------- Obovaria_unicolor   
  |  |                 +--+                             
  |  |                    |  +----- Obovaria_olivaria   
  |  |                    +--+                          
  |  |                       |  +-- Lampsilis           
  +--+                       +--+                       
     |                          +-- Lemiox              
     |                                                  
     |                    +-------- Cyrtonaias          
     |  +-----------------+                             
     |  |                 |  +----- Reginaia **            
     |  |                 +--+                          
     |  |                    |  +-- Popenaiadini        
     +--+                    +--+                       
        |                       +-- Amblema **             
        |                                               
        |  +----------------------- Elliptio            
        |  |                                            
        +--+  +-------------------- Eurynia             
           |  |                                         
           |  |  +----------------- Parvaspina          
           +--+  |                                      
              |  |              +-- Hemistena           
              |  +--------------+                       
              +--+              +-- Plethobasus         
                 |                                      
                 |  +-------------- Pleuronaia          
                 |  |                                   
                 |  |           +-- Pleurobema_cordatum 
                 +--+  +--------+                       
                    |  |        +-- Fusconaia           
                    |  |                                
                    +--+        +-- Pleurobema_stabile  
                       |  +-----+                       
                       |  |     +-- Pleurobema_sintoxia 
                       +--+                             
                          |  +----- Pleurobema_decisum  
                          +--+                          
                             |  +-- Pleurobema_clava    
                             +--+                       
                                +-- Pleurobema_pyriforme

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

iTtTbiriSoTroTroSiD
52115368684135
  +-------------- Quadrulini  
  |                           
--+  +----------- Pleurobemini
  |  |                        
  +--+        +-- Plectomerus ** 
     |  +-----+               
     |  |     +-- Reginaia **    
     +--+                     
        |  +----- Lampsilini  
        +--+                  
           |  +-- Popenaiadini
           +--+               
              +-- Amblema **     

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

iTtTbiriSoTroTroSiD
54952397854143
  +-------------- Quadrulini  
  |                           
--+  +----------- Pleurobemini
  |  |                        
  +--+        +-- Plectomerus ** 
     |  +-----+               
     |  |     +-- Reginaia **    
     +--+                     
        |  +----- Lampsilini  
        +--+                  
           |  +-- Popenaiadini
           +--+               
              +-- Amblema **     

Inoue et al., 2020 [Publ 3941], fig. 3

iTtTbiriSoTroTroSiD
442238373126
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Lampsilini  
     +--+                  
        |  +-- Amblema **     
        +--+               
           +-- Reginaia **    

Inoue et al., 2020 [Publ 3941], fig. 4

iTtTbiriSoTroTroSiD
43838237363131
  +----------- Quadrulini  
--+                        
  |  +-------- Reginaia **    
  +--+                     
     |  +----- Pleurobemini
     +--+                  
        |  +-- Amblema **     
        +--+               
           +-- Lampsilini  

Pfeiffer et al., 2016 [Publ 3660], fig. 2

iTtTbiriSoTroTroSiD
442234333126
                             +-- Amblema **              
  +--------------------------+                        
  |                          +-- Reginaia **             
--+                                                   
  |  +-------------------------- Lampsilini           
  |  |                                                
  +--+  +----------------------- Elliptoideus         
     |  |                                             
     +--+  +-------------------- Quadrulini           
        |  |                                          
        +--+  +----------------- Elliptio             
           |  |                                       
           |  |  +-------------- Parvaspina           
           +--+  |                                    
              |  +-------------- Plethobasus          
              |  |                                    
              |  |           +-- Hemistena            
              +--+-----------+                        
                 |           +-- Eurynia              
                 |                                    
                 |  +----------- Fusconaia            
                 |  |                                 
                 |  |     +----- Pleurobema_riddellii 
                 +--+  +--+                           
                    |  |  |  +-- Pleurobema_sintoxia  
                    |  |  +--+                        
                    +--+     +-- Pleurobema_cordatum  
                       |                              
                       |  +----- Pleuronaia           
                       |  |                           
                       +--+  +-- Pleurobema_pyriforme 
                          |  |                        
                          +--+-- Pleurobema_strodeanum
                             |                        
                             +-- Pleurobema_clava     

Pfeiffer et al., 2019 [Publ 3866], fig. 1

iTtTbiriSoTroTroSiD
442227264126
  +----------- Quadrulini  
  |                        
--+  +-------- Pleurobemini
  |  |                     
  +--+     +-- Amblema **     
     |  +--+               
     |  |  +-- Reginaia **    
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

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

iTtTbiriSoTroTroSiD
34039338383136
  +-------------------------------------- Quadrulini             
  |                                                              
  |                                   +-- Amblema **                
--+  +--------------------------------+                          
  |  |                                +-- Reginaia **               
  |  |                                                           
  +--+  +-------------------------------- Plectomerus **            
     |  |                                                        
     |  |  +----------------------------- Toxolasma              
     +--+  |                                                     
        |  |                       +----- Popenaiadini           
        |  |  +--------------------+                             
        +--+  |                    |  +-- Glebula                
           |  |                    +--+                          
           |  |                       +-- Cyrtonaias             
           |  |                                                  
           +--+  +----------------------- Obliquaria             
              |  |                                               
              |  |                    +-- Medionidus             
              |  |                 +--+                          
              |  |                 |  +-- Lemiox                 
              +--+  +--------------+                             
                 |  |              |  +-- Cyprogenia             
                 |  |              +--+                          
                 |  |                 +-- Ptychobranchus         
                 |  |                                            
                 +--+           +-------- Potamilus              
                    |  +--------+                                
                    |  |        |  +----- Atlanticoncha          
                    |  |        +--+                             
                    |  |           |  +-- Ellipsaria             
                    |  |           +--+                          
                    +--+              +-- Truncilla              
                       |                                         
                       |              +-- Hamiota                
                       |  +-----------+                          
                       |  |           +-- Villosa                
                       |  |                                      
                       +--+  +----------- Ligumia                
                          |  |                                   
                          |  |     +----- Venustaconcha          
                          +--+  +--+                             
                             |  |  |  +-- Obovaria               
                             |  |  +--+                          
                             +--+     +-- Epioblasma             
                                |                                
                                |  +----- Ortmanniana_pectorosa  
                                +--+                             
                                   |  +-- Ortmanniana_ligamentina
                                   +--+                          
                                      +-- Lampsilis              

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

iTtTbiriSoTroTroSiD
331354124129
  +-------------- Quadrulini  
  |                           
--+           +-- Popenaiadini
  |  +--------+               
  |  |        +-- Lampsilini  
  +--+                        
     |  +-------- Pleurobemini
     +--+                     
        |  +----- Reginaia **    
        +--+                  
           |  +-- Plectomerus ** 
           +--+               
              +-- Amblema **     

Inoue et al., 2013 [Publ 3528], fig. 3

iTtTbiriSoTroTroSiD
331214123127
              +-- Pleurobemini
  +-----------+               
  |           +-- Quadrulini  
  |                           
--+        +----- Paetulunio  
  |  +-----+                  
  |  |     |  +-- Amblema **     
  |  |     +--+               
  +--+        +-- Reginaia **    
     |                        
     |  +-------- Lampsilis   
     |  |                     
     +--+  +----- Leaunio     
        |  |                  
        +--+----- Obovaria    
           |                  
           |  +-- Villosa     
           +--+               
              +-- Cambarunio  

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

iTtTbiriSoTroTroSiD
32718326263141
  +----------- Lampsilis   
  |                        
  |  +-------- Obliquaria  
  |  |                     
  |  +-------- Amblema **     
  |  |                     
--+  +-------- Reginaia **    
  |  |                     
  |  +-------- Potamilus   
  |  |                     
  |  +-------- Quadrulini  
  |  |                     
  +--+     +-- Elliptoideus
     +-----+               
     |     +-- Plectomerus ** 
     |                     
     |  +----- Medionidus  
     +--+                  
     |  |  +-- Dromus      
     |  +--+               
     |     +-- Cyprogenia  
     |                     
     |  +----- Hemistena   
     +--+                  
        |  +-- Elliptio    
        +--+               
           +-- Fusconaia   

Patterson et al., 2021 [Publ 4222], fig. 3

iTtTbiriSoTroTroSiD
3311111127
  +-- Lampsilini
--+             
  +-- Amblema **   

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

iTtTbiriSoTroTroSiD
34142238383150
  +----------- Amblema **     
  |                        
--+        +-- Lampsilis   
  |  +-----+               
  |  |     +-- Plectomerus ** 
  +--+                     
     |  +----- Popenaiadini
     +--+                  
        |  +-- Cyrtonaias  
        +--+               
           +-- Pleurobemini

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

iTtTbiriSoTroTroSiD
331325254129
  +-------------- Quadrulini  
  |                           
--+  +----------- Pleurobemini
  |  |                        
  +--+        +-- Popenaiadini
     |  +-----+               
     |  |     +-- Lampsilini  
     +--+                     
        |  +----- Reginaia **    
        +--+                  
           |  +-- Amblema **     
           +--+               
              +-- Plectomerus ** 

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

iTtTbiriSoTroTroSiD
331325254129
  +-------------- Quadrulini  
  |                           
--+  +----------- Pleurobemini
  |  |                        
  +--+        +-- Popenaiadini
     |  +-----+               
     |  |     +-- Lampsilini  
     +--+                     
        |  +----- Reginaia **    
        +--+                  
           |  +-- Amblema **     
           +--+               
              +-- Plectomerus ** 

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

iTtTbiriSoTroTroSiD
32220326263142
  +-------------------------- Lampsilis   
  |                                       
--+  +----------------------- Potamilus   
  |  |                                    
  |  |                 +----- Medionidus  
  +--+  +--------------+                  
     |  |              |  +-- Dromus      
     |  |              +--+               
     +--+                 +-- Cyprogenia  
        |                                 
        |  +----------------- Obliquaria  
        |  |                              
        +--+  +-------------- Amblema **     
           |  |                           
           |  |        +----- Reginaia **    
           +--+  +-----+                  
              |  |     |  +-- Elliptoideus
              |  |     +--+               
              +--+        +-- Plectomerus ** 
                 |                        
                 |  +-------- Quadrulini  
                 +--+                     
                    |  +----- Hemistena   
                    +--+                  
                       |  +-- Elliptio    
                       +--+               
                          +-- Fusconaia   

Mulvey et al., 1997 [Publ 3390], fig. 1_3

iTtTbiriSoTroTroSiD
3311211129
  +-- Quadrulini
--+             
  +-- Amblema **   

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

iTtTbiriSoTroTroSiD
331354124129
  +-------------- Quadrulini  
  |                           
--+  +----------- Pleurobemini
  |  |                        
  +--+        +-- Popenaiadini
     |  +-----+               
     |  |     +-- Lampsilini  
     +--+                     
        |  +----- Reginaia **    
        +--+                  
           |  +-- Plectomerus ** 
           +--+               
              +-- Amblema **     

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

iTtTbiriSoTroTroSiD
21602198233128
  +-------------------------- Quadrulini        
  |                                             
--+  +----------------------- Pleurobemini      
  |  |                                          
  +--+  +-------------------- Amblema **           
     |  |                                       
     |  |              +----- Toxolasma         
     +--+  +-----------+                        
        |  |           |  +-- Obliquaria        
        |  |           +--+                     
        |  |              +-- Plectomerus **       
        +--+                                    
           |  +-------------- Potamilus_leptodon
           |  |                                 
           |  |  +----------- Potamilus_alatus  
           +--+  |                              
              |  |  +-------- Venustaconcha     
              |  |  |                           
              +--+  +-------- Leaunio           
                 |  |                           
                 |  |     +-- Ellipsaria        
                 |  +-----+                     
                 +--+     +-- Truncilla         
                    |                           
                    |     +-- Medionidus        
                    +-----+                     
                    |     +-- Ptychobranchus    
                    |                           
                    |  +----- Cambarunio        
                    +--+                        
                       |  +-- Ortmanniana       
                       +--+                     
                          +-- Lampsilis         

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

iTtTbiriSoTroTroSiD
217022093137
  +-- Gonideini          
  |                      
  +-- Pyganodon_grandis  
  |                      
  +-- Utterbackia        
  |                      
  +-- Pyganodon_cataracta
  |                      
  +-- Lampsilis_straminea
  |                      
  +-- Lampsilis_teres    
  |                      
  +-- Megalonaias        
  |                      
  +-- Obliquaria         
  |                      
--+-- Theliderma         
  |                      
  +-- Quadrula           
  |                      
  +-- Uniomerus          
  |                      
  +-- Amblema **            
  |                      
  +-- Elliptio           
  |                      
  +-- Fusconaia          
  |                      
  +-- Plectomerus **        
  |                      
  +-- Aculamprotulina    
  |                      
  +-- Unionina           

Lydeard et al., 2000 [Publ 2654], fig. 2c

iTtTbiriSoTroTroSiD
220112103--
  +-- Reginaia **    
--+               
  +-- Pleurobemini

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

iTtTbiriSoTroTroSiD
2202994--
        +-- Popenaiadini
  +-----+               
  |     +-- Lampsilini  
  |                     
--+     +-- Amblema **     
  |  +--+               
  |  |  +-- Plectomerus ** 
  +--+                  
     |  +-- Pleurobemini
     +--+               
        +-- Quadrulini  

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

iTtTbiriSoTroTroSiD
2160219184126
  +-------------- Quadrulini  
--+                           
  |  +----------- Pleurobemini
  +--+                        
     |  +-------- Amblema **     
     +--+                     
        |  +----- Plectomerus ** 
        +--+                  
           |  +-- Popenaiadini
           +--+               
              +-- Lampsilini  

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

iTtTbiriSoTroTroSiD
21602196233129
  +----------------------------------- Quadrulini        
  |                                                      
--+  +-------------------------------- Pleurobemini      
  |  |                                                   
  +--+  +----------------------------- Amblema **           
     |  |                                                
     +--+  +-------------------------- Toxolasma         
        |  |                                             
        +--+                       +-- Obliquaria        
           |  +--------------------+                     
           |  |                    +-- Plectomerus **       
           +--+                                          
              |  +-------------------- Potamilus_leptodon
              |  |                                       
              +--+  +----------------- Potamilus_alatus  
                 |  |                                    
                 |  |              +-- Medionidus        
                 +--+  +-----------+                     
                    |  |           +-- Ptychobranchus    
                    |  |                                 
                    +--+           +-- Ellipsaria        
                       |  +--------+                     
                       |  |        +-- Truncilla         
                       +--+                              
                          |  +-------- Leaunio           
                          |  |                           
                          +--+     +-- Venustaconcha     
                             |  +--+                     
                             |  |  +-- Cambarunio        
                             +--+                        
                                |  +-- Ortmanniana       
                                +--+                     
                                   +-- Lampsilis         

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

iTtTbiriSoTroTroSiD
2802972130
  +----------------- Glebula            
  |                                     
--+              +-- Amblema **            
  |  +-----------+                      
  |  |           +-- Quadrulini         
  +--+                                  
     |  +----------- Plectomerus **        
     +--+                               
        |  +-------- Leaunio            
        +--+                            
           |  +----- Lampsilis_straminea
           +--+                         
              |  +-- Lampsilis_teres    
              +--+                      
                 +-- Potamilus          

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

iTtTbiriSoTroTroSiD
22102198233132
  +-------- Amblema **           
  |                           
  +-------- Toxolasma         
  |                           
  +-------- Pleurobemini      
  |                           
  |     +-- Obliquaria        
  +-----+                     
  |     +-- Plectomerus **       
--+                           
  |  +----- Ellipsaria        
  |  |                        
  |  +----- Potamilus_leptodon
  |  |                        
  |  +----- Medionidus        
  |  |                        
  |  +----- Potamilus_alatus  
  |  |                        
  |  +----- Ptychobranchus    
  +--+                        
     +----- Truncilla         
     |                        
     +----- Venustaconcha     
     |                        
     +----- Cambarunio        
     |                        
     +----- Leaunio           
     |                        
     |  +-- Ortmanniana       
     +--+                     
        +-- Lampsilis         

Boyer et al., 2011 [Publ 2718], fig. 3

iTtTbiriSoTroTroSiD
2290233273133
  +-------- Reginaia **    
  |                     
--+     +-- Pleurobemini
  |  +--+               
  |  |  +-- Quadrulini  
  +--+                  
     |  +-- Amblema **     
     +--+               
        +-- Lampsilini  

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

iTtTbiriSoTroTroSiD
2110225163129
                          +-- Megalonaias         
  +-----------------------+                       
  |                       +-- Quadrulina          
  |                                               
  |                    +----- Elliptoideus        
--+                    |                          
  |  +-----------------+  +-- Eurynia             
  |  |                 |  |                       
  |  |                 +--+-- Pleurobema          
  |  |                    |                       
  +--+                    +-- Uniomerus           
     |                                            
     |  +-------------------- Amblema **             
     |  |                                         
     +--+                 +-- Plectomerus **         
        |  +--------------+                       
        |  |              +-- Obliquaria          
        +--+                                      
           |  +-------------- Potamilus_fragilis  
           |  |                                   
           +--+  +----------- Ptychobranchus      
              |  |                                
              +--+  +-------- Medionidus          
                 |  |                             
                 +--+  +----- Potamilus_purpuratus
                    |  |                          
                    +--+----- Lampsilis           
                       |                          
                       |  +-- Ellipsaria          
                       +--+                       
                          +-- Villosa             

Lydeard et al., 2000 [Publ 2654], fig. 2a

iTtTbiriSoTroTroSiD
220112103--
1

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

iTtTbiriSoTroTroSiD
220210104--
        +-- Popenaiadini
  +-----+               
  |     +-- Lampsilini  
  |                     
--+     +-- Amblema **     
  |  +--+               
  |  |  +-- Plectomerus ** 
  +--+                  
     |  +-- Pleurobemini
     +--+               
        +-- Quadrulini  

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

iTtTbiriSoTroTroSiD
2100232123131
  +----------------------------- Megalonaias         
  |                                                  
  |                       +----- Elliptoideus        
--+  +--------------------+                          
  |  |                    |  +-- Uniomerus           
  |  |                    +--+                       
  +--+                       +-- Pleurobema          
     |                                               
     |  +----------------------- Amblema **             
     |  |                                            
     +--+                    +-- Obliquaria          
        |  +-----------------+                       
        |  |                 +-- Plectomerus **         
        +--+                                         
           |  +----------------- Medionidus          
           +--+                                      
              |  +-------------- Potamilus_fragilis  
              +--+                                   
                 |  +----------- Ptychobranchus      
                 +--+                                
                    |  +-------- Potamilus_purpuratus
                    +--+                             
                       |  +----- Lampsilis           
                       +--+                          
                          |  +-- Villosa             
                          +--+                       
                             +-- Ellipsaria          

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

iTtTbiriSoTroTroSiD
2100232123129
  +----------- Megalonaias         
  |                                
  |     +----- Elliptoideus        
  |  +--+                          
--+  |  |  +-- Uniomerus           
  |  |  +--+                       
  |  |     +-- Pleurobema          
  |  |                             
  |  |  +----- Potamilus_fragilis  
  +--+  |                          
     |  +----- Medionidus          
     |  |                          
     |  +----- Amblema **             
     |  |                          
     |  |  +-- Obliquaria          
     +--+--+                       
        |  +-- Plectomerus **         
        |                          
        |  +-- Villosa             
        |  |                       
        |  +-- Ellipsaria          
        |  |                       
        +--+-- Lampsilis           
           |                       
           +-- Potamilus_purpuratus
           |                       
           +-- Ptychobranchus      

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

iTtTbiriSoTroTroSiD
2310231314128
  +-------------------------- Quadrulini           
  |                                                
  |  +----------------------- Plectomerus **          
--+  |                                             
  |  |  +-------------------- Popenaiadini         
  |  |  |                                          
  |  |  +-------------------- Pleurobemini         
  +--+  |                                          
     |  |                 +-- 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  

Boyer et al., 2011 [Publ 2718], fig. 4

iTtTbiriSoTroTroSiD
2210236273128
  +-------------------------------- Quadrulina           
  |                                                      
--+  +----------------------------- Megalonaias          
  |  |                                                   
  +--+  +-------------------------- Toxolasma            
     |  |                                                
     +--+  +----------------------- Amblema **              
        |  |                                             
        |  |  +-------------------- Pleurobemini         
        +--+  |                                          
           |  |                 +-- Reginaia **             
           |  +-----------------+                        
           +--+                 +-- Obliquaria           
              |                                          
              |  +----------------- Potamilus            
              |  |                                       
              |  |              +-- Ellipsaria           
              +--+  +-----------+                        
                 |  |           +-- Truncilla            
                 |  |                                    
                 +--+  +----------- Lampsilis_cardium    
                    |  |                                 
                    |  |     +----- Ligumia              
                    |  +-----+                           
                    +--+     |  +-- Obovaria             
                       |     +--+                        
                       |        +-- Epioblasma           
                       |                                 
                       |  +-------- Lampsilis_teres      
                       +--+                              
                          |  +----- Lampsilis_siliquoidea
                          +--+                           
                             |  +-- Ortmanniana          
                             +--+                        
                                +-- Lampsilis_higginsii  

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

iTtTbiriSoTroTroSiD
2130231193132
                          +-- Megalonaias          
  +-----------------------+                        
  |                       +-- Quadrulina           
  |                                                
  |              +----------- Elliptoideus         
  |  +-----------+                                 
--+  |           |  +-------- Pleurobema           
  |  |           +--+                              
  |  |              |  +----- Uniomerus            
  |  |              +--+                           
  |  |                 |  +-- Fusconaia            
  +--+                 +--+                        
     |                    +-- Eurynia              
     |                                             
     |  +-------------------- Amblema **              
     |  |                                          
     |  |              +----- Toxolasma            
     |  |  +-----------+                           
     +--+  |           |  +-- Plectomerus **          
        |  |           +--+                        
        |  |              +-- Obliquaria           
        |  |                                       
        +--+           +----- Ptychobranchus       
           |  +--------+                           
           |  |        |  +-- Potamilus_fragilis   
           |  |        +--+                        
           |  |           +-- Medionidus           
           +--+                                    
              |           +-- Villosa              
              |  +--------+                        
              |  |        +-- Ellipsaria           
              +--+                                 
                 |  +-------- Lampsilis_teres      
                 +--+                              
                    |  +----- Lampsilis_siliquoidea
                    +--+                           
                       |  +-- Potamilus_purpuratus 
                       +--+                        
                          +-- Potamilus_alatus     

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

iTtTbiriSoTroTroSiD
2110226163132
              +-- Megalonaias 
  +-----------+               
  |           +-- Quadrulina  
  |                           
--+        +----- Amblema **     
  |  +-----+                  
  |  |     |  +-- Plectomerus ** 
  |  |     +--+               
  +--+        +-- Lampsilini  
     |                        
     |  +-------- Elliptoideus
     +--+                     
        |  +----- Uniomerus   
        +--+                  
           |  +-- Eurynia     
           +--+               
              +-- Pleurobema  

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

iTtTbiriSoTroTroSiD
2170220103137
  +-- Gonideini          
  |                      
  +-- Pyganodon_grandis  
  |                      
  +-- Utterbackia        
  |                      
  +-- Pyganodon_cataracta
  |                      
  +-- Lampsilis_straminea
  |                      
  +-- Lampsilis_teres    
  |                      
  +-- Megalonaias        
  |                      
  +-- Obliquaria         
  |                      
--+-- Theliderma         
  |                      
  +-- Quadrula           
  |                      
  +-- Uniomerus          
  |                      
  +-- Amblema **            
  |                      
  +-- Elliptio           
  |                      
  +-- Fusconaia          
  |                      
  +-- Plectomerus **        
  |                      
  +-- Pleurobema         
  |                      
  +-- Unionini           

Lopes-Lima et al., 2019 [Publ 3901], fig. 2

iTtTbiriSoTroTroSiD
220126223--
  +-------- Amblema **     
--+                     
  |  +----- Lampsilini  
  +--+                  
     |  +-- Pleurobemini
     +--+               
        +-- Quadrulini  

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

iTtTbiriSoTroTroSiD
220210104--
        +-- Amblema **     
     +--+               
     |  +-- Plectomerus ** 
  +--+                  
  |  |  +-- Pleurobemini
  |  +--+               
  |     +-- Quadrulini  
--+                     
  |  +----- Obliquaria  
  |  |                  
  |  +----- Toxolasma   
  +--+                  
     +----- Popenaiadini
     |                  
     |  +-- Glebula     
     +--+               
        +-- Cyrtonaias  

Porto-Hannes et al., 2021 [Publ 4227], fig. 3

iTtTbiriSoTroTroSiD
220113133--
  +-------- Quadrula_quadrula 
  |                           
--+-------- Quadrula_verrucosa
  |                           
  |  +----- Pleurobemini      
  +--+                        
     |  +-- Amblema **           
     +--+                     
        +-- Lampsilini        

Lydeard et al., 2000 [Publ 2654], fig. 2b

iTtTbiriSoTroTroSiD
220112103--
  +-------- Lampsilini  
--+                     
  |  +----- Reginaia **    
  +--+                  
     |  +-- Quadrulini  
     +--+               
        +-- Pleurobemini

Lopes-Lima et al., 2019 [Publ 3901], fig. 3

iTtTbiriSoTroTroSiD
220127233--
  +----------- Megalonaias 
  |                        
--+        +-- Uniomerus   
  |  +-----+               
  |  |     +-- Quadrulina  
  +--+                     
     |  +----- Pleurobemini
     +--+                  
        |  +-- Lampsilini  
        +--+               
           +-- Amblema **     

Lopes-Lima et al., 2019 [Publ 3901], fig. 4

iTtTbiriSoTroTroSiD
220124203--
  +-------- Quadrulini  
--+                     
  |  +----- Amblema **     
  +--+                  
     |  +-- Pleurobemini
     +--+               
        +-- Lampsilini  

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

iTtTbiriSoTroTroSiD
2160219184126
  +-------------- Quadrulini  
--+                           
  |  +----------- Pleurobemini
  +--+                        
     |  +-------- Amblema **     
     +--+                     
        |  +----- Plectomerus ** 
        +--+                  
           |  +-- Popenaiadini
           +--+               
              +-- Lampsilini  

Lydeard et al., 2000 [Publ 2654], fig. 2d

iTtTbiriSoTroTroSiD
220112103--
  +-------- Reginaia **    
--+                     
  |  +----- Lampsilini  
  +--+                  
     |  +-- Quadrulini  
     +--+               
        +-- Pleurobemini

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

iTtTbiriSoTroTroSiD
2370235351154
  +-- Amblema **     
  |               
--+-- Plectomerus ** 
  |               
  +-- Pleurobemini

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

iTtTbiriSoTroTroSiD
27021072129
  +-------- Quadrulini 
--+                    
  |  +----- Plectomerus **
  +--+                 
     |  +-- Amblema **    
     +--+              
        +-- Lampsilini 

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

iTtTbiriSoTroTroSiD
110125252--
  +-- Lampsilini  
  |               
--+-- Plectomerus ** 
  |               
  +-- Pleurobemini

Hauck et al., 2023 [Publ 4333], fig. 9

iTtTbiriSoTroTroSiD
110112123--
  +-------- Quadrulini  
--+                     
  |  +----- Pleurobemini
  +--+                  
     |  +-- Reginaia **    
     +--+               
        +-- Lampsilini  

Bolotov et al., 2018 [Publ 3826], fig. 2

iTtTbiriSoTroTroSiD
11018163--
-- Amblema_plicata **

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

iTtTbiriSoTroTroSiD
110125252--
  +-- Lampsilini  
  |               
--+-- Plectomerus ** 
  |               
  +-- Pleurobemini

Zieritz et al., 2024 [Publ 4381], fig. 2

iTtTbiriSoTroTroSiD
11014411--
  +-- Amblema **   
--+             
  +-- Lampsilini

Hoeh et al., 2009 [Publ 2716], fig. 5

iTtTbiriSoTroTroSiD
110145123--
           +-- Obliquaria    
  +--------+                 
  |        +-- Quadrulini    
  |                          
--+  +-------- Amblema **       
  |  |                       
  |  +-------- Pleurobemini  
  +--+                       
     |  +----- Truncilla     
     |  |                    
     |  +----- Ptychobranchus
     +--+                    
        |  +-- Ortmanniana   
        |  |                 
        |  +-- Cambarunio    
        +--+                 
           +-- Ligumia       
           |                 
           +-- Epioblasma    

Porto-Hannes et al., 2019 [Publ 3969], fig. 2

iTtTbiriSoTroTroSiD
110117171--
  +-- Amblema **   
--+             
  +-- Lampsilini

Wu et al., 2022 [Publ 4238], fig. 3

iTtTbiriSoTroTroSiD
110173144--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Matos et al., 2024 [Publ 4383], fig. 3

iTtTbiriSoTroTroSiD
11011900--
-- Amblema_plicata **

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

iTtTbiriSoTroTroSiD
110124243--
  +----------------------- Quadrulini               
  |                                                 
  +----------------------- Plectomerus **              
  |                                                 
  |  +-------------------- Lampsilini               
  |  |                                              
  |  +-------------------- 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      

Dai et al., 2023 [Publ 4285], fig. 5

iTtTbiriSoTroTroSiD
110152144--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Roe & Hoeh, 2003 [Publ 2655], fig. 4f2

iTtTbiriSoTroTroSiD
110130103--
-- Amblema_plicata **

Teiga-Teixeira et al., 2020 [Publ 4173], fig. 1

iTtTbiriSoTroTroSiD
110118134--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Bogan & Hoeh, 2000 [Publ 2650], fig. 1

iTtTbiriSoTroTroSiD
110133103--
  +-------- Toxolasma   
  |                     
  +-------- Amblema **     
  |                     
  |     +-- Glebula     
  +-----+               
--+     +-- Cyrtonaias  
  |                     
  |     +-- Quadrulini  
  +-----+               
  |     +-- Pleurobemini
  |                     
  |  +----- Potamilus   
  +--+                  
     |  +-- Ortmanniana 
     +--+               
        +-- Ligumia     

Neemuchwala et al., 2023 [Publ 4292], fig. 2

iTtTbiriSoTroTroSiD
110126254--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Lampsilini  
        +--+               
           +-- Popenaiadini

Araujo et al., 2017 [Publ 3801], fig. 2

iTtTbiriSoTroTroSiD
11011311--
  +-- Amblema **   
--+             
  +-- Lampsilini

Lopes-Lima et al., 2017 [Publ 3745], fig. 1-2

iTtTbiriSoTroTroSiD
11017983--
     +-- Amblema **     
  +--+               
  |  +-- Lampsilini  
--+                  
  |  +-- Quadrulini  
  +--+               
     +-- Pleurobemini

Kandl et al., 2001 [Publ 3384], fig. 5

iTtTbiriSoTroTroSiD
1101882--
  +-- Amblema **     
  |               
--+-- Quadrulini  
  |               
  +-- Pleurobemini

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

iTtTbiriSoTroTroSiD
110123232--
  +-- Plectomerus ** 
  |               
--+-- Quadrulini  
  |               
  +-- Pleurobemini

Hoeh et al., 2009 [Publ 2716], fig. 3

iTtTbiriSoTroTroSiD
110146133--
              +-------- Amblema **       
  +-----------+                       
  |           |  +----- Pleurobemini  
  |           +--+                    
  |              |  +-- Obliquaria    
--+              +--+                 
  |                 +-- Quadrulini    
  |                                   
  |  +----------------- Ptychobranchus
  +--+                                
     |  +-------------- Truncilla     
     +--+                             
        |  +----------- Ortmanniana   
        +--+                          
           |  +-------- Lampsilis     
           +--+                       
              |  +----- Cambarunio    
              +--+                    
                 |  +-- Ligumia       
                 +--+                 
                    +-- Epioblasma    

Graf & Ó Foighil, 2000 [Publ 2649], fig. 1_2

iTtTbiriSoTroTroSiD
11011011--
  +-- Amblema **   
--+             
  +-- Lampsilini

Turner et al., 2000 [Publ 2722], fig. 2

iTtTbiriSoTroTroSiD
110113113--
  +----- Lampsilini  
--+                  
  |  +-- Amblema **     
  +--+               
     +-- Pleurobemini

Keogh & Simons, 2019 [Publ 3935], fig. S1

iTtTbiriSoTroTroSiD
1101992--
  +----- Lampsilini  
--+                  
  |  +-- Amblema **     
  +--+               
     +-- Pleurobemini

Wu et al., 2021 [Publ 4366], fig. 4

iTtTbiriSoTroTroSiD
110168114--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Wu et al., 2024 [Publ 4350], fig. 8b_S2

iTtTbiriSoTroTroSiD
110191164--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Campbell & Lydeard, 2026 [Publ 4810], fig. 3_5

iTtTbiriSoTroTroSiD
1101140174--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Lampsilini  
     +--+                  
        |  +-- Amblema **     
        +--+               
           +-- Popenaiadini

Bolotov et al., 2017 [Publ 3761], fig. S2

iTtTbiriSoTroTroSiD
110113783--
     +-- Amblema **     
  +--+               
  |  +-- Lampsilini  
--+                  
  |  +-- Quadrulini  
  +--+               
     +-- Pleurobemini

Pfeiffer & Graf, 2013 [Publ 3531], fig. 2

iTtTbiriSoTroTroSiD
11013043--
  +-------- Quadrulini  
--+                     
  |  +----- Pleurobemini
  +--+                  
     |  +-- Amblema **     
     +--+               
        +-- Lampsilini  

Mejia-Trujillo & Smith, 2022 [Publ 4274], fig. 2-F

iTtTbiriSoTroTroSiD
110114144--
     +----------- Toxolasma            
  +--+                                 
  |  |  +-------- Popenaiadini         
  |  +--+                              
  |     |  +----- Amblema **              
  |     +--+                           
--+        |  +-- Quadrulini           
  |        +--+                        
  |           +-- Pleurobemini         
  |                                    
  |  +----------- Potamilus            
  |  |                                 
  +--+        +-- Lampsilis_cardium    
     |  +-----+                        
     |  |     +-- Lampsilis_ornata     
     +--+                              
        |  +----- Venustaconcha        
        +--+                           
           |  +-- Lampsilis_siliquoidea
           +--+                        
              +-- Lampsilis_powellii   

Hoeh et al., 1998 [Publ 2695], fig. 3

iTtTbiriSoTroTroSiD
1101400--
-- Amblema_plicata **

Hoeh et al., 1998 [Publ 2695], fig. 4

iTtTbiriSoTroTroSiD
1101400--
-- Amblema_plicata **

Araujo et al., 2009 [Publ 2589], fig. 7A

iTtTbiriSoTroTroSiD
11011000--
-- Amblema_plicata **

Wu et al., 2023 [Publ 4339], fig. 4_S5-nt

iTtTbiriSoTroTroSiD
110195164--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Grobler et al., 2011 [Publ 3359], fig. 2

iTtTbiriSoTroTroSiD
110116161--
  +-- Amblema **   
--+             
  +-- Lampsilini

Graf & Cummings, 2006 [Publ 1968], fig. 2

iTtTbiriSoTroTroSiD
110146133--
  +-------- Quadrulini  
--+                     
  |  +----- Amblema **     
  +--+                  
     |  +-- Pleurobemini
     +--+               
        +-- Lampsilini  

Konopleva et al., 2023 [Publ 4269], fig. S1_4

iTtTbiriSoTroTroSiD
11015511--
  +-- Lampsilini
--+             
  +-- Amblema **   

Porto-Hannes et al., 2019 [Publ 3969], fig. 3

iTtTbiriSoTroTroSiD
110117171--
  +-------------------- Obliquaria           
  |                                          
  +-------------------- Amblema **              
  |                                          
  |  +----------------- Lampsilis_teres      
  |  |                                       
  |  +----------------- Obovaria             
--+  |                                       
  |  |              +-- Leaunio              
  |  +--------------+                        
  |  |              +-- Cambarunio           
  |  |                                       
  |  |        +-------- Ortmanniana          
  |  |        |                              
  +--+--------+     +-- Lampsilis_hydiana    
     |        |  +--+                        
     |        |  |  +-- Lampsilis_virescens  
     |        +--+                           
     |           |  +-- Lampsilis_siliquoidea
     |           +--+                        
     |              +-- Lampsilis_radiata    
     |                                       
     |  +-------------- Lampsilis_bracteata  
     |  |                                    
     +--+  +----------- Lampsilis_ornata     
        |  |                                 
        +--+  +-------- Lampsilis_ovata      
           |  |                              
           +--+  +----- Lampsilis_cardium__3 
              |  |                           
              +--+  +-- Lampsilis_satura     
                 |  |                        
                 +--+-- Lampsilis_cardium__1 
                    |                        
                    +-- Lampsilis_cardium__2 

Reis et al., 2013 [Publ 3580], fig. 5

iTtTbiriSoTroTroSiD
11011411--
  +-- Amblema **   
--+             
  +-- Quadrulini

Hoeh et al., 2001 [Publ 2652], fig. 14f4

iTtTbiriSoTroTroSiD
110130103--
  +-------- Amblema **     
--+                     
  |  +----- Lampsilini  
  +--+                  
     |  +-- Quadrulini  
     +--+               
        +-- Pleurobemini

Roe & Hoeh, 2003 [Publ 2655], fig. 4f3

iTtTbiriSoTroTroSiD
110130103--
  +-------- Amblema **     
--+                     
  |  +----- Lampsilini  
  +--+                  
     |  +-- Quadrulini  
     +--+               
        +-- Pleurobemini

Dai et al., 2024 [Publ 4358], fig. 4

iTtTbiriSoTroTroSiD
110152114--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Pfeiffer & Graf, 2015 [Publ 3620], fig. 2

iTtTbiriSoTroTroSiD
11013942--
  +----- Quadrulini
--+                
  |  +-- Amblema **   
  +--+             
     +-- Lampsilini

Araujo et al., 2009 [Publ 2589], fig. 7C

iTtTbiriSoTroTroSiD
1101900--
-- Amblema_plicata **

Whelan et al., 2011 [Publ 3380], fig. 1-ML

iTtTbiriSoTroTroSiD
11013543--
  +-------- Pleurobemini
--+                     
  |  +----- Quadrulini  
  +--+                  
     |  +-- Amblema **     
     +--+               
        +-- Lampsilini  

Zieritz et al., 2021 [Publ 4218], fig. 5

iTtTbiriSoTroTroSiD
11013011--
  +-- Amblema **   
--+             
  +-- Lampsilini

Bolotov et al., 2020 [Publ 4084], fig. 1

iTtTbiriSoTroTroSiD
11013563--
  +-- Amblema **    
  |              
  +-- Ortmanniana
  |              
  +-- Lampsilis  
  |              
--+-- Cambarunio 
  |              
  +-- Elliptio   
  |              
  +-- Pleurobema 
  |              
  +-- Quadrulini 

Manendo et al., 2008 [Publ 2669], fig. 1

iTtTbiriSoTroTroSiD
11011242--
  +----- Lampsilini  
--+                  
  |  +-- Amblema **     
  +--+               
     +-- Pleurobemini

Hoeh et al., 2001 [Publ 2652], fig. 14f2

iTtTbiriSoTroTroSiD
110130103--
-- Amblema_plicata **

Matos et al., 2024 [Publ 4384], fig. 3

iTtTbiriSoTroTroSiD
11011900--
-- Amblema_plicata **

Marshall et al., 2014 [Publ 3593], fig. 1

iTtTbiriSoTroTroSiD
11011300--
-- Amblema_plicata **

Wu et al., 2026 [Publ 4811], fig. 3

iTtTbiriSoTroTroSiD
11011600--
-- Amblema_plicata **

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

iTtTbiriSoTroTroSiD
110135351--
  +-- Plectomerus ** 
--+               
  +-- Pleurobemini

Wu et al., 2021 [Publ 4366], fig. 3-BI

iTtTbiriSoTroTroSiD
110173144--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Johnson et al., 2018 [Publ 3844], fig. 2

iTtTbiriSoTroTroSiD
110115152--
  +----- Amblema **     
--+                  
  |  +-- Pleurobemini
  +--+               
     +-- Quadrulini  

Khalloufi et al., 2011 [Publ 2748], fig. 2

iTtTbiriSoTroTroSiD
11011000--
-- Amblema_plicata **

Lopes-Lima et al., 2020 [Publ 4080], fig. 2-4

iTtTbiriSoTroTroSiD
110112133--
  +-- Amblema **     
  |               
  +-- Pleurobemini
--+               
  +-- Lampsilini  
  |               
  +-- Quadrulini  

Reis et al., 2013 [Publ 3580], fig. 4

iTtTbiriSoTroTroSiD
11011311--
  +-- Amblema **   
--+             
  +-- Quadrulini

Hoeh et al., 2002 [Publ 2653], fig. 2

iTtTbiriSoTroTroSiD
110130103--
           +-- Glebula     
  +--------+               
  |        +-- Cyrtonaias  
  |                        
--+  +-------- Toxolasma   
  |  |                     
  |  |  +----- Potamilus   
  |  +--+                  
  +--+  |  +-- Ligumia     
     |  +--+               
     |     +-- Ortmanniana 
     |                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Quadrulini  
        +--+               
           +-- Pleurobemini

Prié & Puillandre, 2014 [Publ 3529], fig. 2

iTtTbiriSoTroTroSiD
11011600--
-- Amblema_plicata **

Porto-Hannes et al., 2021 [Publ 4227], fig. 4

iTtTbiriSoTroTroSiD
110110103--
  +-------- Quadrula    
  |                     
--+-------- Pustulosa   
  |                     
  |  +----- Pleurobemini
  +--+                  
     |  +-- Amblema **     
     +--+               
        +-- Lampsilini  

Bolotov et al., 2017 [Publ 3761], fig. S1

iTtTbiriSoTroTroSiD
110113783--
     +-- Amblema **     
  +--+               
  |  +-- Lampsilini  
--+                  
  |  +-- Quadrulini  
  +--+               
     +-- Pleurobemini

Szumowski et al., 2012 [Publ 3569], fig. 4

iTtTbiriSoTroTroSiD
110115151--
  +-- Amblema **   
--+             
  +-- Lampsilini

Wu et al., 2024 [Publ 4350], fig. 8a_S1

iTtTbiriSoTroTroSiD
110191164--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Jadhav & Jamkhedkar, 2009 [Publ 3697], fig. 11

iTtTbiriSoTroTroSiD
110124123--
              +----- Eurynia       
  +-----------+                    
  |           |  +-- Cambarunio    
  |           +--+                 
  |              +-- Ptychobranchus
--+                                
  |              +-- Amblema **       
  |  +-----------+                 
  |  |           +-- Pleurobema    
  +--+                             
     |  +----------- Truncilla     
     |  |                          
     +--+        +-- Lampsilis     
        |  +-----+                 
        |  |     +-- Epioblasma    
        +--+                       
           |  +----- Ligumia       
           +--+                    
              |  +-- Obliquaria    
              +--+                 
                 +-- Ortmanniana   

Zanatta & Murphy, 2006 [Publ 2672], fig. 1

iTtTbiriSoTroTroSiD
110155533--
  +-------- Lampsilini  
--+                     
  |  +----- Pleurobemini
  +--+                  
     |  +-- Amblema **     
     +--+               
        +-- Popenaiadini

Graf & Ó Foighil, 2000 [Publ 2648], fig. 2B

iTtTbiriSoTroTroSiD
110129163--
     +-- Quadrulini  
  +--+               
  |  +-- Pleurobemini
--+                  
  |  +-- Amblema **     
  +--+               
     +-- Lampsilini  

Dai et al., 2025 [Publ 4440], fig. 3

iTtTbiriSoTroTroSiD
110187154--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Inoue et al., 2014 [Publ 3635], fig. 3B

iTtTbiriSoTroTroSiD
1101700--
-- Amblema_plicata **

Zanatta & Murphy, 2006 [Publ 2672], fig. 2

iTtTbiriSoTroTroSiD
110156543--
  +----- Pleurobemini
  |                  
--+  +-- Amblema **     
  |  |               
  +--+-- Popenaiadini
     |               
     +-- Lampsilini  

Wu et al., 2018 [Publ 3836], fig. 2

iTtTbiriSoTroTroSiD
11015283--
  +-- Amblema **   
--+             
  +-- Lampsilini

Bolotov et al., 2017 [Publ 3764], fig. S1

iTtTbiriSoTroTroSiD
110112383--
  +-- Amblema **           
  |                     
  +-- Ortmanniana       
  |                     
  +-- Lampsilis         
  |                     
  +-- Cambarunio        
  |                     
--+-- Elliptio          
  |                     
  +-- Eurynia           
  |                     
  +-- Pleurobema        
  |                     
  +-- Quadrula_quadrula 
  |                     
  +-- Quadrula_verrucosa

Smith, 2021 [Publ 4331], fig. 1

iTtTbiriSoTroTroSiD
11011983--
  +-------- Quadrulini  
--+                     
  |  +----- Pleurobemini
  +--+                  
     |  +-- Amblema **     
     +--+               
        +-- Lampsilini  

Breton et al., 2011 [Publ 3376], fig. 3

iTtTbiriSoTroTroSiD
110137183--
  +-------- Quadrulini  
--+                     
  |  +----- Pleurobemini
  +--+                  
     |  +-- Reginaia **    
     +--+               
        +-- Lampsilini  

Chen et al., 2025 [Publ 4448], fig. 3

iTtTbiriSoTroTroSiD
110185144--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Graf & Ó Foighil, 2000 [Publ 2648], fig. 2A

iTtTbiriSoTroTroSiD
110129163--
     +-- Quadrulini  
  +--+               
  |  +-- Pleurobemini
--+                  
  |  +-- Amblema **     
  +--+               
     +-- Lampsilini  

Graf, 2002 [Publ 2651], fig. 2

iTtTbiriSoTroTroSiD
11011732--
  +----- Lampsilini  
--+                  
  |  +-- Pleurobemini
  +--+               
     +-- Amblema **     

Wu et al., 2023 [Publ 4339], fig. 4_S5-aa

iTtTbiriSoTroTroSiD
110195164--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

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

iTtTbiriSoTroTroSiD
110118103--
-- Plectomerus_dombeyanus **

Araujo et al., 2009 [Publ 2589], fig. 7B

iTtTbiriSoTroTroSiD
11011000--
-- Amblema_plicata **

Jeratthitikul et al., 2022 [Publ 4260], fig. S1_1

iTtTbiriSoTroTroSiD
11017583--
     +-- Amblema **     
  +--+               
  |  +-- Lampsilini  
--+                  
  |  +-- Quadrulini  
  +--+               
     +-- Pleurobemini

Burdick & White, 2007 [Publ 2679], fig. 3

iTtTbiriSoTroTroSiD
110129292--
  +-------------------------------- Lampsilini            
  |                                                       
--+  +----------------------------- Parvaspina            
  |  |                                                    
  |  |  +-------------------------- Reginaia **              
  +--+  |                                                 
     |  |                    +----- Eurynia               
     |  |  +-----------------+                            
     +--+  |                 |  +-- Plethobasus           
        |  |                 +--+                         
        |  |                    +-- Elliptio              
        |  |                                              
        |  |  +-------------------- Pleurobema_plenum     
        +--+  |                                           
           |  +-------------------- Pleuronaia            
           |  |                                           
           |  |                 +-- Pleurobema_cordatum__1
           |  |           +-----+                         
           |  |           |     +-- Fusconaia             
           +--+  +--------+                               
              |  |        |  +----- Pleurobema_sintoxia__1
              |  |        |  |                            
              |  |        +--+  +-- Pleurobema_cordatum__2
              |  |           |  |                         
              |  |           +--+-- Pleurobema_sintoxia__2
              |  |              |                         
              +--+              +-- Pleurobema_sintoxia__3
                 |                                        
                 |  +-------------- Pleurobema_stabile    
                 |  |                                     
                 |  |           +-- Pleurobema_rubellum   
                 |  |     +-----+                         
                 |  |     |     +-- Pleurobema_strodeanum 
                 +--+  +--+                               
                    |  |  |  +----- Pleurobema_beadleianum
                    |  |  +--+                            
                    |  |     |  +-- Pleurobema_perovatum  
                    |  |     +--+                         
                    +--+        +-- Pleurobema_taitianum  
                       |                                  
                       |        +-- Pleurobema_clava      
                       |  +-----+                         
                       |  |     +-- Pleurobema_oviforme   
                       |  |                               
                       +--+     +-- Pleurobema_decisum    
                          |  +--+                         
                          |  |  +-- Pleurobema_hanleyianum
                          +--+                            
                             |  +-- Pleurobema_pyriforme  
                             +--+                         
                                +-- Pleurobema_georgianum 

Wu et al., 2021 [Publ 4366], fig. 3-ML

iTtTbiriSoTroTroSiD
110173144--
  +----------- Quadrulini  
--+                        
  |  +-------- Pleurobemini
  +--+                     
     |  +----- Amblema **     
     +--+                  
        |  +-- Popenaiadini
        +--+               
           +-- Lampsilini  

Inoue et al., 2014 [Publ 3635], fig. 3A

iTtTbiriSoTroTroSiD
11011933--
-- Amblema_plicata **

Jeratthitikul et al., 2022 [Publ 4260], fig. S2_2

iTtTbiriSoTroTroSiD
11017583--
     +-- Amblema **     
  +--+               
  |  +-- Lampsilini  
--+                  
  |  +-- Quadrulini  
  +--+               
     +-- Pleurobemini

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

iTtTbiriSoTroTroSiD
110124243--
  +----------- Quadrulini               
  |                                     
  +----------- Plectomerus **              
  |                                     
  |        +-- 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            
        |                               
        +----- Lampsilini               
        |                               
        |  +-- Plethobasus              
        +--+                            
        |  +-- Parvaspina               
        |                               
        |  +-- Pleurobema_sintoxia      
        |  |                            
        +--+-- Pleurobema_oviforme__1   
        |  |                            
        |  +-- Pleurobema_clava         
        |                               
        |  +-- Pleurobema_athearni      
        |  |                            
        +--+-- Pleurobema_georgianum__1 
           |                            
           +-- Pleurobema_hanleyianum__1

Chase et al., 2018 [Publ 3847], fig. 4

iTtTbiriSoTroTroSiD
110138173--
-- Reginaia_ebenus **

Whelan et al., 2011 [Publ 3380], fig. 1-MP

iTtTbiriSoTroTroSiD
11013543--
  +----- Quadrulini  
  |                  
--+----- Pleurobemini
  |                  
  |  +-- Amblema **     
  +--+               
     +-- Lampsilini  
 
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