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Page last updated
Fri 05 May 2023

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!

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!

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Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Quadrulini

genus Tritogonia Agassiz, 1852: cladomics
     3 valid species

Cladomics Summary

number of species = 3

analyzed in 32 cladograms in 20 publications
maximum number of terminal species in an analysis = 2, mean = 1.31

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 10
maximum number of included species = 2, mean = 2.0
proportion of cladograms that support basic monophyly = 0.5


Lopes-Lima et al., 2019, fig. 3

iT tT bi riS oT roT roS iD
2 2 0 2 27 17 5 --

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

                 +----- Quadrula_quadrula     
  +--------------+                            
  |              |  +-- Tritogonia_nobilis **    
  |              +--+                         
  |                 +-- Tritogonia_verrucosa **  
--+                                           
  |  +----------------- Cyclonaias_kieneriana 
  |  |                                        
  |  |              +-- Cyclonaias_infucata   
  +--+  +-----------+                         
     |  |           +-- Cyclonaias_kleiniana  
     |  |                                     
     +--+           +-- Cyclonaias_pustulosa  
        |  +--------+                         
        |  |        +-- Cyclonaias_succissa   
        +--+                                  
           |  +-------- Cyclonaias_tuberculata
           +--+                               
              |  +----- Cyclonaias_necki      
              +--+                            
                 |  +-- Cyclonaias_petrina    
                 +--+                         
                    +-- Cyclonaias_nodulata   

Serb et al., 2003, fig. 2

iT tT bi riS oT roT roS iD
2 4 0 2 28 13 4 --
        +-------- Theliderma_cylindrica
  +-----+                              
  |     |  +----- Theliderma_intermedia
  |     +--+                           
  |        |  +-- Theliderma_sparsa    
  |        +--+                        
  |           +-- Theliderma_metanevra 
--+                                    
  |     +-------- Tritogonia_verrucosa ** 
  |  +--+                              
  |  |  |  +----- Quadrula_quadrula[1] 
  |  |  +--+                           
  |  |     |  +-- Tritogonia_nobilis **   
  |  |     +--+                        
  +--+        +-- Quadrula_quadrula[2] 
     |                                 
     |  +-------- Cyclonaias_kieneriana
     |  |                              
     |  +-------- Cyclonaias_infucata  
     +--+                              
        |     +-- Cyclonaias_pustulosa 
        |  +--+                        
        |  |  +-- Cyclonaias_succissa  
        +--+                           
           |  +-- Cyclonaias_nodulata  
           +--+                        
              +-- Cyclonaias_petrina   

Serb et al., 2003, fig. 3

iT tT bi riS oT roT roS iD
2 3 0 2 28 13 4 --
  +----------------------- Megalonaias_nervosa  
  |                                             
  |                 +----- Tritogonia_verrucosa ** 
--+  +--------------+                           
  |  |              |  +-- Tritogonia_nobilis **   
  |  |              +--+                        
  |  |                 +-- Quadrula_quadrula[1] 
  +--+                                          
     |  +----------------- Quadrula_quadrula[2] 
     |  |                                       
     |  |        +-------- Theliderma_cylindrica
     +--+  +-----+                              
        |  |     |  +----- Theliderma_sparsa    
        |  |     +--+                           
        |  |        |  +-- Theliderma_intermedia
        +--+        +--+                        
           |           +-- Theliderma_metanevra 
           |                                    
           |  +----------- Cyclonaias_kieneriana
           |  |                                 
           +--+  +-------- Cyclonaias_infucata  
              |  |                              
              +--+     +-- Cyclonaias_succissa  
                 |  +--+                        
                 |  |  +-- Cyclonaias_pustulosa 
                 +--+                           
                    |  +-- Cyclonaias_nodulata  
                    +--+                        
                       +-- Cyclonaias_petrina   

Campbell et al., 2005, fig. 1

iT tT bi riS oT roT roS iD
2 3 0 2 115 9 5 --
  +----------- Theliderma_metanevra  
  |                                  
  |     +----- Tritogonia_verrucosa **  
--+  +--+                            
  |  |  |  +-- Quadrula_quadrula     
  |  |  +--+                         
  |  |     +-- Tritogonia_nobilis **    
  +--+                               
     |  +----- Cyclonaias_kieneriana 
     |  |                            
     |  |  +-- Cyclonaias_tuberculata
     +--+--+                         
        |  +-- Cyclonaias_succissa   
        |                            
        |  +-- Cyclonaias_infucata   
        +--+                         
           +-- Cyclonaias_kleiniana  

Campbell et al., 2005, fig. 2

iT tT bi riS oT roT roS iD
2 2 0 2 113 9 5 --
  +----------- Quadrula_quadrula     
  |                                  
  |        +-- Tritogonia_nobilis **    
--+  +-----+                         
  |  |     +-- Tritogonia_verrucosa **  
  |  |                               
  +--+  +----- Cyclonaias_kieneriana 
     |  |                            
     |  |  +-- Cyclonaias_tuberculata
     +--+--+                         
        |  +-- Cyclonaias_succissa   
        |                            
        |  +-- Cyclonaias_infucata   
        +--+                         
           +-- Cyclonaias_kleiniana  

Campbell & Lydeard, 2012, fig. 1-2

iT tT bi riS oT roT roS iD
2 8 0 2 72 9 4 --
                    +-- Uniomerus_declivis    
  +-----------------+                         
  |                 +-- Uniomerus_tetralasmus 
--+                                           
  |  +----------------- Theliderma_metanevra  
  |  |                                        
  +--+  +-------------- Tritogonia_verrucosa **  
     |  |                                     
     |  |           +-- Quadrula_quadrula     
     +--+  +--------+                         
        |  |        +-- Tritogonia_nobilis **    
        |  |                                  
        +--+        +-- Cyclonaias_infucata   
           |  +-----+                         
           |  |     +-- Cyclonaias_kleiniana  
           +--+                               
              |  +----- Cyclonaias_tuberculata
              +--+                            
                 |  +-- Cyclonaias_pustulosa  
                 +--+                         
                    +-- Cyclonaias_succissa   

Campbell & Lydeard, 2012, fig. 3

iT tT bi riS oT roT roS iD
2 2 0 2 72 9 4 --
                 +-- Uniomerus_declivis    
  +--------------+                         
  |              +-- Uniomerus_tetralasmus 
  |                                        
--+              +-- Tritogonia_verrucosa **  
  |  +-----------+                         
  |  |           +-- Tritogonia_nobilis **    
  |  |                                     
  +--+  +----------- Quadrula_quadrula     
     |  |                                  
     |  +----------- Theliderma_metanevra  
     +--+                                  
        |        +-- Cyclonaias_infucata   
        |  +-----+                         
        |  |     +-- Cyclonaias_kleiniana  
        +--+                               
           |  +----- Cyclonaias_tuberculata
           +--+                            
              |  +-- Cyclonaias_pustulosa  
              +--+                         
                 +-- Cyclonaias_succissa   

Szumowski et al., 2012, fig. 5

iT tT bi riS oT roT roS iD
2 3 0 2 13 13 4 --
        +-------- Quadrula_quadrula[1] 
  +-----+                              
  |     |  +----- Tritogonia_verrucosa ** 
  |     +--+                           
  |        |  +-- Tritogonia_nobilis **   
--+        +--+                        
  |           +-- Quadrula_quadrula[2] 
  |                                    
  |  +----------- Cyclonaias_kieneriana
  |  |                                 
  +--+  +-------- Cyclonaias_infucata  
     |  |                              
     +--+     +-- Cyclonaias_pustulosa 
        |  +--+                        
        |  |  +-- Cyclonaias_succissa  
        +--+                           
           |  +-- Cyclonaias_nodulata  
           +--+                        
              +-- Cyclonaias_petrina   

Lopes-Lima et al., 2019, fig. 2

iT tT bi riS oT roT roS iD
2 2 0 2 26 16 5 --
  +----------------------- Quadrula_quadrula     
  |                                              
  |                    +-- Tritogonia_verrucosa **  
--+  +-----------------+                         
  |  |                 +-- Tritogonia_nobilis **    
  |  |                                           
  +--+                 +-- Theliderma_metanevra  
     |  +--------------+                         
     |  |              +-- Theliderma_johnsoni   
     |  |                                        
     +--+           +----- Cyclonaias_kieneriana 
        |  +--------+                            
        |  |        |  +-- Cyclonaias_infucata   
        |  |        +--+                         
        +--+           +-- Cyclonaias_kleiniana  
           |                                     
           |  +----------- Cyclonaias_tuberculata
           |  |                                  
           +--+        +-- Cyclonaias_pustulosa  
              |  +-----+                         
              |  |     +-- Cyclonaias_succissa   
              +--+                               
                 |  +----- Cyclonaias_nodulata   
                 +--+                            
                    |  +-- Cyclonaias_necki      
                    +--+                         
                       +-- Cyclonaias_petrina    

Lopes-Lima et al., 2019, fig. 4

iT tT bi riS oT roT roS iD
2 2 0 2 24 14 5 --
  +-------------------- Quadrula_quadrula     
  |                                           
  |                 +-- Tritogonia_verrucosa **  
--+  +--------------+                         
  |  |              +-- Tritogonia_nobilis **    
  |  |                                        
  |  |           +----- Cyclonaias_kieneriana 
  +--+  +--------+                            
     |  |        |  +-- Cyclonaias_infucata   
     |  |        +--+                         
     |  |           +-- Cyclonaias_kleiniana  
     +--+                                     
        |           +-- Cyclonaias_pustulosa  
        |  +--------+                         
        |  |        +-- Cyclonaias_succissa   
        +--+                                  
           |  +-------- Cyclonaias_tuberculata
           +--+                               
              |  +----- Cyclonaias_necki      
              +--+                            
                 |  +-- Cyclonaias_petrina    
                 +--+                         
                    +-- Cyclonaias_nodulata   

Graf & Cummings, 2006, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 46 1 1 --
  +-- Tritogonia_verrucosa **
--+                       
  +-- Quadrula_quadrula   

Zhou et al., 2007, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 20 6 3 --
  +-------- Cyclonaias_infucata  
--+                              
  |  +----- Tritogonia_verrucosa ** 
  +--+                           
     |  +-- Cyclonaias_kieneriana
     +--+                        
        +-- Cyclonaias_succissa  

Hoeh et al., 2009, fig. 3

iT tT bi riS oT roT roS iD
1 1 0 1 46 1 1 --
  +-- Tritogonia_verrucosa **
--+                       
  +-- Quadrula_quadrula   

Hoeh et al., 2009, fig. 4

iT tT bi riS oT roT roS iD
1 1 0 1 45 1 1 --
  +-- Tritogonia_verrucosa **
--+                       
  +-- Quadrula_quadrula   

Hoeh et al., 2009, fig. 5

iT tT bi riS oT roT roS iD
1 1 0 1 45 1 1 --
  +-- Tritogonia_verrucosa **
--+                       
  +-- Quadrula_quadrula   

Boyer et al., 2011, fig. 3

iT tT bi riS oT roT roS iD
1 1 0 1 34 6 4 --
  +-------------- Quadrula_quadrula     
--+                                     
  |  +----------- Tritogonia_verrucosa **  
  +--+                                  
     |  +-------- Theliderma_metanevra  
     +--+                               
        |  +----- Cyclonaias_pustulosa  
        +--+                            
           |  +-- Cyclonaias_tuberculata
           +--+                         
              +-- Cyclonaias_nodulata   

Boyer et al., 2011, fig. 4

iT tT bi riS oT roT roS iD
1 1 0 1 37 6 4 --
        +-- Tritogonia_verrucosa **  
  +-----+                         
  |     +-- Quadrula_quadrula     
--+                               
  |  +----- Cyclonaias_pustulosa  
  +--+                            
     |  +-- Cyclonaias_tuberculata
     +--+                         
        +-- Cyclonaias_nodulata   

Pfeiffer et al., 2016, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 37 5 3 --
  +----------- Quadrula_quadrula     
--+                                  
  |  +-------- Tritogonia_verrucosa **  
  +--+                               
     |  +----- Cyclonaias_pustulosa  
     +--+                            
        |  +-- Cyclonaias_petrina    
        +--+                         
           +-- Cyclonaias_tuberculata

Jadhav & Jamkhedkar, 2009, fig. 11

iT tT bi riS oT roT roS iD
1 1 0 1 25 1 1 --
  +-- Quadrula_quadrula   
--+                       
  +-- Tritogonia_verrucosa **

Lopes-Lima et al., 2017, fig. 1-2

iT tT bi riS oT roT roS iD
1 1 0 1 80 1 1 --
  +-- Quadrula_quadrula   
--+                       
  +-- Tritogonia_verrucosa **

Bolotov et al., 2017, fig. S1

iT tT bi riS oT roT roS iD
1 1 0 1 137 1 1 --
  +-- Quadrula_quadrula   
--+                       
  +-- Tritogonia_verrucosa **

Bolotov et al., 2017, fig. S2

iT tT bi riS oT roT roS iD
1 1 0 1 137 1 1 --
  +-- Quadrula_quadrula   
--+                       
  +-- Tritogonia_verrucosa **

Bolotov et al., 2017, fig. S1

iT tT bi riS oT roT roS iD
1 1 0 1 124 1 1 --
-- Tritogonia_verrucosa

Huang et al., 2019, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 198 3 3 --
     +-- Megalonaias_nervosa   
  +--+                         
  |  +-- Uniomerus_carolinianus
--+                            
  |  +-- Quadrula_quadrula     
  +--+                         
     +-- Tritogonia_verrucosa **  

Huang et al., 2019, fig. S3

iT tT bi riS oT roT roS iD
1 1 0 1 196 3 3 --
     +-- Megalonaias_nervosa   
  +--+                         
  |  +-- Uniomerus_carolinianus
--+                            
  |  +-- Quadrula_quadrula     
  +--+                         
     +-- Tritogonia_verrucosa **  

Huang et al., 2019, fig. S4

iT tT bi riS oT roT roS iD
1 1 0 1 198 3 3 --
  +-- Quadrula_quadrula   
--+                       
  +-- Tritogonia_verrucosa **

Johnson et al., 2018, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 15 13 5 --
                 +-- Quadrula_quadrula     
  +--------------+                         
  |              +-- Tritogonia_verrucosa **  
  |                                        
  |           +----- Cyclonaias_kieneriana 
--+  +--------+                            
  |  |        |  +-- Cyclonaias_infucata   
  |  |        +--+                         
  |  |           +-- Cyclonaias_kleiniana  
  +--+                                     
     |           +-- Cyclonaias_pustulosa  
     |  +--------+                         
     |  |        +-- Cyclonaias_succissa   
     +--+                                  
        |  +-------- Cyclonaias_tuberculata
        +--+                               
           |  +----- Cyclonaias_necki      
           +--+                            
              |  +-- Cyclonaias_nodulata   
              +--+                         
                 +-- Cyclonaias_petrina    

Inoue et al., 2018, fig. 1, 3a-c

iT tT bi riS oT roT roS iD
1 1 0 1 203 7 4 --
     +-- Uniomerus_declivis     
  +--+                          
  |  +-- Uniomerus_tetralasmus  
  |                             
  |  +-- Cyclonaias_tuberculata 
--+  |                          
  |  +-- Cyclonaias_pustulosa[1]
  |  |                          
  |  +-- Theliderma_metanevra   
  +--+                          
     +-- Cyclonaias_pustulosa[2]
     |                          
     +-- Quadrula_quadrula      
     |                          
     +-- Tritogonia_verrucosa **   

Pfeiffer et al., 2019, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 38 4 4 --
  +-------- Uniomerus_declivis    
--+                               
  |  +----- Tritogonia_verrucosa **  
  +--+                            
     |  +-- Cyclonaias_tuberculata
     +--+                         
        +-- Quadrula_quadrula     

Porto-Hannes et al., 2021, fig. 3

iT tT bi riS oT roT roS iD
1 1 0 1 15 1 1 --
-- Tritogonia_verrucosa

Jeratthitikul et al., 2022, fig. S1, 1

iT tT bi riS oT roT roS iD
1 1 0 1 75 1 1 --
  +-- Quadrula_quadrula   
--+                       
  +-- Tritogonia_verrucosa **

Jeratthitikul et al., 2022, fig. S2, 2

iT tT bi riS oT roT roS iD
1 1 0 1 75 1 1 --
  +-- Quadrula_quadrula   
--+                       
  +-- Tritogonia_verrucosa **

Page updated: 07:22:10 Fri 05 May 2023

 
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