Bivalvia | Unionida | Unionoidea | Unionidae | Gonideinae

tribe SCHEPMANIINI Lopes-Lima, Pfeiffer & Zieritz in Zieritz et al., 2021: cladomics

1 genus

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

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

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

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

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

Cladomics Summary

number of species = 2 (2 total)
number of subtaxa (rank: genus) = 1
analyzed in 14 cladograms in 11 publications
maximum number of terminals in an analysis = 1 (mean = 1, median = 1)
maximum number of subtaxa (genus) = 1 (mean = 1, median = 1)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 0
maximum number of included terminals = , (mean = median = )
maximum number of subtaxa (genus) = (mean = , median = )
proportion of cladograms that support basic monophyly = 0


Cladograms

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

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

iTtTbiriSoTroTroSiD
1 1 0 1 630 134 6 --
     +----------------------------- Indopseudodontina         
     |                                                        
     |                          +-- Lannanaia                 
  +--+  +-----------------------+                             
  |  |  |                       +-- Pilsbryoconcha            
  |  |  |                                                     
  |  +--+  +----------------------- Songkhlanaia              
  |     |  |                                                  
  |     |  |                    +-- Nyeinchanconcha           
  |     +--+  +-----------------+                             
  |        |  |                 +-- Sundadontina              
  |        |  |                                               
  |        |  |                 +-- Isannaia                  
  |        +--+              +--+                             
  |           |              |  +-- Namkongnaia               
  |           |  +-----------+                                
  |           |  |           |  +-- Thaiconcha                
  |           |  |           +--+                             
  |           +--+              +-- Bineurus                  
  |              |                                            
  |              |  +-------------- Pseudodon_walpolei        
  |              |  |                                         
  |              +--+  +----------- Pseudodon_vagulus         
  |                 |  |                                      
  |                 |  |     +----- Pseudodon_vondembuschianus
--+                 +--+  +--+                                
  |                    |  |  |  +-- Pseudodon_mekongi         
  |                    |  |  +--+                             
  |                    +--+     +-- Schepmania **                
  |                       |                                   
  |                       |  +----- Pseudodon_lenyanensis__2  
  |                       +--+                                
  |                          |  +-- Pseudodon_inoscularis     
  |                          +--+                             
  |                             +-- Pseudodon_lenyanensis__1  
  |                                                           
  |           +-------------------- Chamberlainiini           
  |           |                                               
  |        +--+  +----------------- Parvasolenaia             
  |        |  |  |                                            
  |        |  +--+  +-------------- Pseudopostolata           
  |        |     |  |                                         
  |        |     +--+  +----------- Koreosolenaia             
  |        |        |  |                                      
  |        |        +--+        +-- Cosmopseudodon            
  |        |           |  +-----+                             
  |        |           |  |     +-- Guiunio                   
  |        |           +--+                                   
  +--------+              |  +----- Ptychorhynchus            
           |              +--+                                
           |                 |  +-- Obovalis                  
           |                 +--+                             
           |                    +-- Postolata                 
           |                                                  
           |                    +-- Caudiculatus              
           |     +--------------+                             
           |     |              +-- Lamprotulini              
           |     |                                            
           +-----+  +-------------- Sinosolenaia_carinata     
                 |  |                                         
                 |  |        +----- Gonidea                   
                 +--+  +-----+                                
                    |  |     |  +-- Microcondylaea            
                    |  |     +--+                             
                    +--+        +-- Leguminaia                
                       |                                      
                       |  +-------- Inversidens               
                       +--+                                   
                          |  +----- Sinosolenaia_recognita    
                          +--+                                
                             |  +-- Sinosolenaia_iridinea     
                             +--+                             
                                +-- Sinosolenaia_oleivora     

Wu et al., 2024 [Publ 4350], fig. 5b

iTtTbiriSoTroTroSiD
1 1 0 1 35 33 5 --
  +----------------------------- Schepmania **     
  |                                             
--+  +-------------------------- Pseudodontini  
  |  |                                          
  +--+  +----------------------- Rectidentini   
     |  |                                       
     +--+  +-------------------- Inversidens    
        |  |                                    
        |  |              +----- Lamprotula     
        +--+  +-----------+                     
           |  |           |  +-- Chamberlainiini
           |  |           +--+                  
           +--+              +-- Potomida       
              |                                 
              |  +-------------- Sinosolenaia   
              |  |                              
              +--+           +-- Gonidea        
                 |  +--------+                  
                 |  |        +-- Microcondylaea 
                 +--+                           
                    |  +-------- Koreosolenaia  
                    +--+                        
                       |  +----- Parvasolenaia  
                       +--+                     
                          |  +-- Postolata      
                          +--+                  
                             +-- Ptychorhynchus 

Liu et al., 2024 [Publ 4380], fig. 5

iTtTbiriSoTroTroSiD
1 1 0 1 35 33 5 --
           +-- Schepmania **     
  +--------+                  
  |        +-- Pseudodontini  
--+                           
  |  +-------- Gonideini      
  +--+                        
     |  +----- Rectidentini   
     +--+                     
        |  +-- Chamberlainiini
        +--+                  
           +-- Lamprotulini   

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

iTtTbiriSoTroTroSiD
1 1 0 1 30 26 5 --
  +-------------- Chamberlainiini
--+                              
  |  +----------- Lamprotulini   
  +--+                           
     |  +-------- Rectidentini   
     +--+                        
        |  +----- Gonideini      
        +--+                     
           |  +-- Schepmania **     
           +--+                  
              +-- Pseudodontini  

Dai et al., 2024 [Publ 4389], fig. 3

iTtTbiriSoTroTroSiD
1 1 0 1 45 40 5 --
  +-------------- Rectidentini   
--+                              
  |  +----------- Chamberlainiini
  +--+                           
     |  +-------- Lamprotulini   
     +--+                        
        |  +----- Gonideini      
        +--+                     
           |  +-- Schepmania **     
           +--+                  
              +-- Pseudodontini  

Wu et al., 2024 [Publ 4350], fig. 6-7

iTtTbiriSoTroTroSiD
1 1 0 1 35 33 5 --
  +----------- Chamberlainiini
  |                           
--+  +-------- Rectidentini   
  |  |                        
  +--+     +-- Schepmania **     
     |  +--+                  
     |  |  +-- Pseudodontini  
     +--+                     
        |  +-- Lamprotulini   
        +--+                  
           +-- Gonideini      

Wu et al., 2024 [Publ 4388], fig. 5

iTtTbiriSoTroTroSiD
1 1 0 1 35 33 5 --
  +-------------- Chamberlainiini
--+                              
  |  +----------- Rectidentini   
  +--+                           
     |  +-------- Lamprotulini   
     +--+                        
        |  +----- Gonideini      
        +--+                     
           |  +-- Schepmania **     
           +--+                  
              +-- Pseudodontini  

Chen et al., 2025 [Publ 4663], fig. 1

iTtTbiriSoTroTroSiD
1 1 0 1 47 42 5 --
  +-------------- Rectidentini   
--+                              
  |  +----------- Chamberlainiini
  +--+                           
     |  +-------- Lamprotulini   
     +--+                        
        |  +----- Gonideini      
        +--+                     
           |  +-- Schepmania **     
           +--+                  
              +-- Pseudodontini  

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

iTtTbiriSoTroTroSiD
1 1 0 1 44 33 6 --
  +----------- Rectidentini 
  |                         
--+        +-- Schepmania **   
  |  +-----+                
  |  |     +-- Pseudodontini
  +--+                      
     |  +----- Caudiculatus 
     +--+                   
        |  +-- Lamprotulini 
        +--+                
           +-- Gonideini    

Wu et al., 2024 [Publ 4350], fig. 5a

iTtTbiriSoTroTroSiD
1 1 0 1 35 33 5 --
  +-------------------------- Chamberlainiini
  |                                          
--+  +----------------------- Rectidentini   
  |  |                                       
  |  |                    +-- Schepmania **     
  +--+  +-----------------+                  
     |  |                 +-- Pseudodontini  
     |  |                                    
     +--+                 +-- Inversidens    
        |  +--------------+                  
        |  |              +-- Lamprotulini   
        +--+                                 
           |  +-------------- Sinosolenaia   
           |  |                              
           +--+           +-- Gonidea        
              |  +--------+                  
              |  |        +-- Microcondylaea 
              +--+                           
                 |  +-------- Parvasolenaia  
                 +--+                        
                    |  +----- Koreosolenaia  
                    +--+                     
                       |  +-- Postolata      
                       +--+                  
                          +-- Ptychorhynchus 

Jeratthitikul et al., 2025 [Publ 4423], fig. 1

iTtTbiriSoTroTroSiD
1 1 0 1 49 49 3 --
     +-- Lamprotulini 
  +--+                
  |  +-- Gonideini    
--+                   
  |  +-- Schepmania **   
  +--+                
     +-- Pseudodontini

Dai et al., 2025 [Publ 4441], fig. 1

iTtTbiriSoTroTroSiD
1 1 0 1 46 41 5 --
  +-------------- Rectidentini   
--+                              
  |  +----------- Chamberlainiini
  +--+                           
     |  +-------- Lamprotulini   
     +--+                        
        |  +----- Gonideini      
        +--+                     
           |  +-- Schepmania **     
           +--+                  
              +-- Pseudodontini  

Jeratthitikul et al., 2024 [Publ 4387], fig. 1

iTtTbiriSoTroTroSiD
1 1 0 1 58 58 5 --
           +-- Chamberlainiini
  +--------+                  
  |        +-- Rectidentini   
--+                           
  |  +-------- Lamprotulini   
  +--+                        
     |  +----- Gonideini      
     +--+                     
        |  +-- Schepmania **     
        +--+                  
           +-- Pseudodontini  

Wu et al., 2024 [Publ 4350], fig. 5c

iTtTbiriSoTroTroSiD
1 34 0 1 35 33 5 --
  +----------------------------- Schepmania_nieuwenhuisi__1 **
  |                                                        
  +----------------------------- Schepmania_nieuwenhuisi__2 **
--+                                                        
  |  +-------------------------- Pseudodontini             
  |  |                                                     
  +--+  +----------------------- Rectidentini              
     |  |                                                  
     +--+  +-------------------- Inversidens               
        |  |                                               
        |  |              +----- Lamprotula                
        +--+  +-----------+                                
           |  |           |  +-- Chamberlainiini           
           |  |           +--+                             
           +--+              +-- Potomida                  
              |                                            
              |  +-------------- Sinosolenaia              
              |  |                                         
              +--+  +----------- Gonidea                   
                 |  |                                      
                 +--+----------- Microcondylaea            
                    |                                      
                    |  +-------- Koreosolenaia             
                    +--+                                   
                       |  +----- Parvasolenaia             
                       +--+                                
                          |  +-- Postolata                 
                          +--+                             
                             +-- Ptychorhynchus