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Page last updated
Fri 02 Dec 2022

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!

Search the database pages:

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Cyrtonaias Crosse & Fischer, 1894: cladomics
     4 valid species

Cladomics Summary

number of species = 4

analyzed in 38 cladograms in 20 publications
maximum number of terminal species in an analysis = 2, mean = 1.08

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 3
maximum number of included species = 2, mean = 2.0
proportion of cladograms that support basic monophyly = 0


Pfeiffer et al., 2019, fig. 1

iT tT bi riS oT roT roS iD
2 13 0 2 37 10 10 0.0

*** Top Monophyly Cladogram ***

                       +-- Cyrtonaias_tampicoensis **   
  +--------------------+                             
  |                    +-- Glebula_rotundata         
  |                                                  
--+  +-------------------- Potamilus_alatus          
  |  |                                               
  |  |                 +-- Truncilla_truncata        
  +--+  +--------------+                             
     |  |              +-- Ptychobranchus_fasciolaris
     |  |                                            
     +--+  +-------------- Pachynaias_spheniopsis    
        |  |                                         
        |  |           +-- Cyrtonaias_explicata **      
        +--+  +--------+                             
           |  |        +-- Sphenonaias_microdon      
           |  |                                      
           +--+        +-- Lampsilis_cardium         
              |  +-----+                             
              |  |     +-- Ortmanniana_ligamentina   
              +--+                                   
                 |  +----- Cambarunio_iris           
                 +--+                                
                    |  +-- Epioblasma_triquetra      
                    +--+                             
                       +-- Ligumia_recta             

Campbell et al., 2005, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 116 48 22 --

*** Top Sister-Group Cladogram ***

  +----- Obliquaria_reflexa     
--+                             
  |  +-- Cyrtonaias_tampicoensis **
  +--+                          
     +-- Glebula_rotundata      

Inoue et al., 2020, fig. 2

iT tT bi riS oT roT roS iD
2 13 0 2 27 10 10 5.0
              +-- Glebula_rotundata         
  +-----------+                             
  |           +-- Cyrtonaias_tampicoensis **   
  |                                         
--+  +----------- Potamilus_alatus          
  |  |                                      
  |  |        +-- Ptychobranchus_fasciolaris
  +--+  +-----+                             
     |  |     +-- Truncilla_truncata        
     |  |                                   
     |  |  +----- Ortmanniana_ligamentina   
     +--+  |                                
        |  +----- Epioblasma_triquetra      
        |  |                                
        |  +----- Lampsilis_cardium         
        |  |                                
        +--+----- Ligumia_recta             
           |                                
           +----- Cambarunio_iris           
           |                                
           +----- Pachynaias_spheniopsis    
           |                                
           |  +-- Cyrtonaias_explicata **      
           +--+                             
              +-- Sphenonaias_microdon      

Inoue et al., 2020, fig. 3

iT tT bi riS oT roT roS iD
2 13 0 2 27 9 9 16.0
  +----------------------------- Cyrtonaias_tampicoensis **   
  |                                                        
--+  +-------------------------- Ptychobranchus_fasciolaris
  |  |                                                     
  +--+  +----------------------- Ligumia_recta             
     |  |                                                  
     +--+  +-------------------- Potamilus_alatus          
        |  |                                               
        +--+  +----------------- Pachynaias_spheniopsis    
           |  |                                            
           |  |              +-- Epioblasma_triquetra      
           +--+  +-----------+                             
              |  |           +-- Truncilla_truncata        
              |  |                                         
              +--+           +-- Ortmanniana_ligamentina   
                 |  +--------+                             
                 |  |        +-- Lampsilis_cardium         
                 +--+                                      
                    |  +-------- Cambarunio_iris           
                    +--+                                   
                       |  +----- Sphenonaias_microdon[2]   
                       +--+                                
                          |  +-- Cyrtonaias_explicata **      
                          +--+                             
                             +-- Sphenonaias_microdon[1]   

Bogan & Hoeh, 2000, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 33 5 5 --
  +-- Glebula_rotundata      
--+                          
  +-- Cyrtonaias_tampicoensis **

Hoeh et al., 2001, fig. 14.2

iT tT bi riS oT roT roS iD
1 1 0 1 30 5 5 --
No taxon cladogram to show.

Hoeh et al., 2001, fig. 14.4

iT tT bi riS oT roT roS iD
1 1 0 1 30 5 5 --
           +-- Cyrtonaias_tampicoensis **
  +--------+                          
  |        +-- Glebula_rotundata      
--+                                   
  |  +-------- Toxolasma_lividum      
  +--+                                
     |  +----- Potamilus_alatus       
     +--+                             
        |  +-- Ligumia_recta          
        +--+                          
           +-- Ortmanniana_ligamentina

Hoeh et al., 2002, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 30 5 5 --
  +-- Glebula_rotundata      
--+                          
  +-- Cyrtonaias_tampicoensis **

Roe & Hoeh, 2003, fig. 4.2

iT tT bi riS oT roT roS iD
1 1 0 1 30 5 5 --
No taxon cladogram to show.

Roe & Hoeh, 2003, fig. 4.3

iT tT bi riS oT roT roS iD
1 1 0 1 30 5 5 --
           +-- Cyrtonaias_tampicoensis **
  +--------+                          
  |        +-- Glebula_rotundata      
--+                                   
  |  +-------- Toxolasma_lividum      
  +--+                                
     |  +----- Ortmanniana_ligamentina
     +--+                             
        |  +-- Ligumia_recta          
        +--+                          
           +-- Potamilus_alatus       

Campbell et al., 2005, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 114 48 22 --
  +----- Obliquaria_reflexa     
--+                             
  |  +-- Cyrtonaias_tampicoensis **
  +--+                          
     +-- Glebula_rotundata      

Walker et al., 2006, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 14 4 4 --
  +----------- Cyrtonaias_tampicoensis **
--+                                   
  |  +-------- Potamilus_purpuratus   
  +--+                                
     |  +----- Ligumia_recta          
     +--+                             
        |  +-- Ortmanniana_ligamentina
        +--+                          
           +-- Lampsilis_teres        

Walker et al., 2006, fig. 3

iT tT bi riS oT roT roS iD
1 1 0 1 14 4 4 --
  +----------- Potamilus_purpuratus   
--+                                   
  |  +-------- Cyrtonaias_tampicoensis **
  +--+                                
     |  +----- Ligumia_recta          
     +--+                             
        |  +-- Ortmanniana_ligamentina
        +--+                          
           +-- Lampsilis_teres        

Walker et al., 2006, fig. 4

iT tT bi riS oT roT roS iD
1 1 0 1 14 4 4 --
  +----------- Cyrtonaias_tampicoensis **
--+                                   
  |  +-------- Potamilus_purpuratus   
  +--+                                
     |  +----- Ligumia_recta          
     +--+                             
        |  +-- Ortmanniana_ligamentina
        +--+                          
           +-- Lampsilis_teres        

Walker et al., 2006, fig. 6

iT tT bi riS oT roT roS iD
1 1 0 1 37 4 4 --
No taxon cladogram to show.

Walker et al., 2006, fig. 6-M

iT tT bi riS oT roT roS iD
1 1 0 1 14 4 4 --
  +----------- Potamilus_purpuratus   
--+                                   
  |  +-------- Cyrtonaias_tampicoensis **
  +--+                                
     |  +----- Ligumia_recta          
     +--+                             
        |  +-- Lampsilis_teres        
        +--+                          
           +-- Ortmanniana_ligamentina

Chapman et al., 2008, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 20 12 10 --
                    +-- Cyrtonaias_tampicoensis **    
  +-----------------+                              
  |                 +-- Glebula_rotundata          
  |                                                
--+                 +-- Ptychobranchus_fasciolaris 
  |  +--------------+                              
  |  |              +-- Lemiox_rimosus             
  |  |                                             
  +--+              +-- Venustaconcha_ellipsiformis
     |  +-----------+                              
     |  |           +-- Obovaria_olivaria          
     +--+                                          
        |  +----------- Hamiota_subangulata        
        +--+                                       
           |  +-------- Lampsilis_ovata            
           +--+                                    
              |  +----- Ortmanniana_ligamentina    
              +--+                                 
                 |  +-- Lampsilis_straminea        
                 +--+                              
                    +-- Lampsilis_hydiana          

Zanatta & Murphy, 2006, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 56 48 22 --
                                            +-- Cyrtonaias_tampicoensis **    
  +-----------------------------------------+                              
  |                                         +-- Glebula_rotundata          
  |                                                                        
  |  +----------------------------------------- Paetulunio_fabalis         
--+  |                                                                     
  |  |                                +-------- Obliquaria_reflexa         
  |  |  +-----------------------------+                                    
  |  |  |                             |  +----- Toxolasma_texasiense       
  |  |  |                             +--+                                 
  +--+  |                                |  +-- Toxolasma_parvum           
     |  |                                +--+                              
     |  |                                   +-- Toxolasma_lividum          
     |  |                                                                  
     |  |  +----------------------------------- Sagittunio_nasutus         
     |  |  |                                                               
     +--+  |                                +-- Medionidus_conradicus      
        |  |                          +-----+                              
        |  |                          |     +-- Ptychobranchus_fasciolaris 
        |  |                 +--------+                                    
        |  |                 |        |  +----- Medionidus_acutissimus     
        |  |                 |        |  |                                 
        |  |                 |        +--+----- Lemiox_rimosus             
        |  |                 |           |                                 
        |  |  +--------------+           |  +-- Dromus_dromas              
        +--+  |              |           +--+                              
           |  |              |              +-- Cyprogenia_stegaria        
           |  |              |                                             
           |  |              |  +-------------- Potamilus_leptodon         
           |  |              |  |                                          
           |  |              +--+  +----------- Potamilus_fragilis         
           |  |                 |  |                                       
           |  |                 +--+        +-- Potamilus_alatus           
           |  |                    |  +-----+                              
           |  |                    |  |     +-- Potamilus_purpuratus       
           |  |                    +--+                                    
           |  |                       |  +----- Potamilus_inflatus         
           +--+                       +--+                                 
              |                          |  +-- Potamilus_ohiensis         
              |                          +--+                              
              |                             +-- Potamilus_amphichaenus     
              |                                                            
              |                          +----- Lampsilis_teres            
              |  +-----------------------+                                 
              |  |                       |  +-- Truncilla_truncata         
              |  |                       +--+                              
              |  |                          +-- Ellipsaria_lineolata       
              |  |                                                         
              |  |  +-------------------------- Leaunio_vanuxemensis       
              |  |  |                                                      
              +--+  |                       +-- Hamiota_australis          
                 |  |                    +--+                              
                 |  |                    |  +-- Hamiota_subangulata        
                 |  |              +-----+                                 
                 |  |              |     |  +-- Hamiota_altilis            
                 |  |              |     +--+                              
                 |  |              |        +-- Hamiota_perovalis          
                 +--+  +-----------+                                       
                    |  |           |        +-- Lampsilis_fasciola         
                    |  |           |  +-----+                              
                    |  |           |  |     +-- Ortmanniana_pectorosa      
                    |  |           +--+                                    
                    |  |              |  +----- Lampsilis_ornata           
                    |  |              +--+                                 
                    |  |                 |  +-- Lampsilis_ovata            
                    |  |                 +--+                              
                    +--+                    +-- Lampsilis_cardium          
                       |                                                   
                       |              +-------- Lampsilis_siliquoidea      
                       |  +-----------+                                    
                       |  |           |  +----- Ortmanniana_ligamentina    
                       |  |           +--+                                 
                       |  |              |  +-- Cambarunio_iris            
                       |  |              +--+                              
                       |  |                 +-- Ligumia_recta              
                       +--+                                                
                          |                 +-- Venustaconcha_ellipsiformis
                          |  +--------------+                              
                          |  |              +-- Venustaconcha_pleasii      
                          |  |                                             
                          |  |        +-------- Obovaria_olivaria          
                          +--+  +-----+                                    
                             |  |     |  +----- Obovaria_unicolor          
                             |  |     +--+                                 
                             |  |        |  +-- Obovaria_subrotunda        
                             +--+        +--+                              
                                |           +-- Obovaria_arkansasensis     
                                |                                          
                                |  +----------- Epioblasma_brevidens       
                                +--+                                       
                                   |  +-------- Epioblasma_triquetra       
                                   +--+                                    
                                      |  +----- Epioblasma_rangiana        
                                      +--+                                 
                                         |  +-- Epioblasma_walkeri         
                                         +--+                              
                                            +-- Epioblasma_capsaeformis    

Zanatta & Murphy, 2006, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 57 48 22 --
  +----- Obliquaria_reflexa     
--+                             
  |  +-- Glebula_rotundata      
  +--+                          
     +-- Cyrtonaias_tampicoensis **

Hoeh et al., 2002, fig. 1-F

iT tT bi riS oT roT roS iD
1 1 0 1 8 4 4 --
  +----------- Cyrtonaias_tampicoensis **
--+                                   
  |  +-------- Ortmanniana_ligamentina
  +--+                                
     |  +----- Lampsilis_teres        
     +--+                             
        |  +-- Potamilus_purpuratus   
        +--+                          
           +-- Ligumia_recta          

Hoeh et al., 2002, fig. 1-M

iT tT bi riS oT roT roS iD
1 1 0 1 8 4 4 --
  +----------- Potamilus_purpuratus   
--+                                   
  |  +-------- Cyrtonaias_tampicoensis **
  +--+                                
     |  +----- Ligumia_recta          
     +--+                             
        |  +-- Lampsilis_teres        
        +--+                          
           +-- Ortmanniana_ligamentina

Campbell et al., 2008, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 27 0 0 --
No taxon cladogram to show.

Campbell et al., 2008, fig. 4

iT tT bi riS oT roT roS iD
1 1 0 1 28 0 0 --
No taxon cladogram to show.

Campbell et al., 2008, fig. 5

iT tT bi riS oT roT roS iD
1 1 0 1 29 0 0 --
No taxon cladogram to show.

Campbell et al., 2008, fig. 6

iT tT bi riS oT roT roS iD
1 1 0 1 28 0 0 --
No taxon cladogram to show.

Chapman et al., 2008, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 20 12 10 --
                    +-- Cyrtonaias_tampicoensis **    
  +-----------------+                              
  |                 +-- Glebula_rotundata          
  |                                                
--+                 +-- Ptychobranchus_fasciolaris 
  |  +--------------+                              
  |  |              +-- Lemiox_rimosus             
  |  |                                             
  +--+              +-- Venustaconcha_ellipsiformis
     |  +-----------+                              
     |  |           +-- Obovaria_olivaria          
     +--+                                          
        |  +----------- Hamiota_subangulata        
        +--+                                       
           |  +-------- Lampsilis_ovata            
           +--+                                    
              |  +----- Ortmanniana_ligamentina    
              +--+                                 
                 |  +-- Lampsilis_straminea        
                 +--+                              
                    +-- Lampsilis_hydiana          

Campbell & Lydeard, 2012, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 43 4 3 --
No taxon cladogram to show.

Campbell & Lydeard, 2012, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 43 4 3 --
No taxon cladogram to show.

Campbell & Lydeard, 2012, fig. 3

iT tT bi riS oT roT roS iD
1 1 0 1 50 4 3 --
No taxon cladogram to show.

Campbell & Lydeard, 2012, fig. 4

iT tT bi riS oT roT roS iD
1 1 0 1 43 4 3 --
No taxon cladogram to show.

Burlakova et al., 2012, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 44 1 1 --
No taxon cladogram to show.

Pfeiffer et al., 2016, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 37 5 5 --
        +-- Cyrtonaias_tampicoensis **
  +-----+                          
  |     +-- Glebula_rotundata      
  |                                
--+     +-- Lampsilis_teres        
  |  +--+                          
  |  |  +-- Leaunio_lienosus       
  +--+                             
     |  +-- Truncilla_macrodon     
     +--+                          
        +-- Potamilus_fragilis     

Burlakova et al., 2019, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 32 25 17 --
  +-- Cyrtonaias_tampicoensis **
--+                          
  +-- Glebula_rotundata      

Pfeiffer et al., 2019, fig. 4-5

iT tT bi riS oT roT roS iD
1 1 0 1 56 4 4 --
  +----------- Obliquaria_reflexa     
--+                                   
  |  +-------- Cyrtonaias_tampicoensis **
  +--+                                
     |  +----- Leaunio_lienosus       
     +--+                             
        |  +-- Lampsilis_cardium      
        +--+                          
           +-- Pachynaias_spheniopsis 

Pfeiffer et al., 2019, fig. 6

iT tT bi riS oT roT roS iD
1 1 0 1 56 4 4 --
  +----------- Obliquaria_reflexa     
--+                                   
  |  +-------- Cyrtonaias_tampicoensis **
  +--+                                
     |  +----- Leaunio_lienosus       
     +--+                             
        |  +-- Lampsilis_cardium      
        +--+                          
           +-- Pachynaias_spheniopsis 

Smith et al., 2019, fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 41 36 19 --
  +-- Glebula_rotundata      
--+                          
  +-- Cyrtonaias_tampicoensis **

Smith et al., 2020, fig. 1

iT tT bi riS oT roT roS iD
1 1 0 1 27 19 7 --
  +-------------------------- Obliquaria_reflexa     
  |                                                  
  |  +----------------------- Cyrtonaias_tampicoensis **
--+  |                                               
  |  |                    +-- Pachynaias_spheniopsis 
  |  |  +-----------------+                          
  +--+  |                 +-- Lampsilis_cardium      
     |  |                                            
     |  |        +----------- Ellipsaria_lineolata   
     |  |  +-----+                                   
     +--+  |     |  +-------- Truncilla_truncata     
        |  |     +--+                                
        |  |        |  +----- Truncilla_donaciformis 
        |  |        +--+                             
        |  |           |  +-- Truncilla_cognata      
        |  |           +--+                          
        +--+              +-- Truncilla_macrodon     
           |                                         
           |  +-------------- Atlanticoncha_ochracea 
           |  |                                      
           |  |           +-- Potamilus_fragilis     
           |  |     +-----+                          
           |  |     |     +-- Potamilus_leptodon     
           +--+  +--+                                
              |  |  |  +----- Potamilus_metnecktayi  
              |  |  +--+                             
              |  |     |  +-- Potamilus_alatus       
              |  |     +--+                          
              +--+        +-- Potamilus_purpuratus   
                 |                                   
                 |        +-- Potamilus_capax        
                 |  +-----+                          
                 |  |     +-- Potamilus_inflatus     
                 +--+                                
                    |  +----- Potamilus_ohiensis     
                    +--+                             
                       |  +-- Potamilus_streckersoni 
                       +--+                          
                          +-- Potamilus_amphichaenus 

Smith et al., 2020, fig. 2-3

iT tT bi riS oT roT roS iD
1 1 0 1 27 19 7 --
  +----------------------------- Obliquaria_reflexa     
  |                                                     
  |  +-------------------------- Cyrtonaias_tampicoensis **
--+  |                                                  
  |  |                       +-- Pachynaias_spheniopsis 
  |  |  +--------------------+                          
  +--+  |                    +-- Lampsilis_cardium      
     |  |                                               
     |  |           +----------- Ellipsaria_lineolata   
     |  |  +--------+                                   
     +--+  |        |  +-------- Truncilla_truncata     
        |  |        +--+                                
        |  |           |  +----- Truncilla_donaciformis 
        |  |           +--+                             
        |  |              |  +-- Truncilla_cognata      
        +--+              +--+                          
           |                 +-- Truncilla_macrodon     
           |                                            
           |  +----------------- Atlanticoncha_ochracea 
           |  |                                         
           |  |              +-- Potamilus_capax        
           +--+  +-----------+                          
              |  |           +-- Potamilus_inflatus     
              |  |                                      
              |  |        +----- Potamilus_ohiensis     
              +--+  +-----+                             
                 |  |     |  +-- Potamilus_streckersoni 
                 |  |     +--+                          
                 |  |        +-- Potamilus_amphichaenus 
                 +--+                                   
                    |        +-- Potamilus_fragilis     
                    |  +-----+                          
                    |  |     +-- Potamilus_leptodon     
                    +--+                                
                       |  +----- Potamilus_metnecktayi  
                       +--+                             
                          |  +-- Potamilus_alatus       
                          +--+                          
                             +-- Potamilus_purpuratus   

Page updated: 11:38:49 Fri 02 Dec 2022

 
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