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Page last updated
Wed 22 Nov 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!

Search the database pages:

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Sagittunio Watters, 2018: cladomics
     4 valid species

Cladomics Summary

number of species = 4

analyzed in 9 cladograms in 6 publications
maximum number of terminals in an analysis = 1, mean = 1.0

Basic Monophyly

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

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

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

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

     +-- Sagittunio_nasutus **            
  +--+                                 
  |  +-- Medionidus_conradicus         
--+                                    
  |  +-- Ptychobranchus_fasciolaris    
  +--+                                 
     +-- Venustaconcha_ellipsiformis[2]

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

iT tT bi riS oT roT roS iD
1 1 0 1 29 11 8 -- 
  +----------- Ligumia_recta             
  |                                      
  +----------- Truncilla_truncata        
  |                                      
  |        +-- Ptychobranchus_fasciolaris
  +--------+                             
--+        +-- Sagittunio_nasutus **        
  |                                      
  |     +----- Lampsilis_siliquoidea     
  |  +--+                                
  |  |  |  +-- Epioblasma_triquetra      
  |  |  +--+                             
  |  |     +-- Epioblasma_brevidens      
  +--+                                   
     |  +----- Ortmanniana_ligamentina   
     |  |                                
     |  +----- Cambarunio_iris           
     +--+                                
        +----- Leaunio_vanuxemensis      
        |                                
        |  +-- Lampsilis_cardium         
        +--+                             
           +-- Lampsilis_fasciola

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

iT tT bi riS oT roT roS iD
1 1 0 1 29 11 8 -- 
              +-- Ptychobranchus_fasciolaris
  +-----------+                             
  |           +-- Sagittunio_nasutus **        
  |                                         
--+  +----------- Lampsilis_siliquoidea     
  |  |                                      
  |  |     +----- Ortmanniana_ligamentina   
  +--+  +--+                                
     |  |  |  +-- Lampsilis_cardium         
     |  |  +--+                             
     |  |     +-- Lampsilis_fasciola        
     +--+                                   
        |     +-- Epioblasma_brevidens      
        |  +--+                             
        |  |  +-- Epioblasma_triquetra      
        +--+                                
           |  +-- Cambarunio_iris           
           +--+                             
              +-- Leaunio_vanuxemensis

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

iT tT bi riS oT roT roS iD
1 1 0 1 114 48 22 -- 
              +----- Obliquaria_reflexa            
  +-----------+                                    
  |           |  +-- Cyrtonaias_tampicoensis       
  |           +--+                                 
  |              +-- Glebula_rotundata             
  |                                                
  |  +-------------- Sagittunio_nasutus **            
  |  |                                             
  |  +-------------- Leaunio_vanuxemensis          
  |  |                                             
  |  |           +-- Ellipsaria_lineolata          
  |  +-----------+                                 
  |  |           +-- Truncilla_truncata            
  |  |                                             
  |  |        +----- Lampsilis_teres               
  |  +--------+                                    
  |  |        |  +-- Ortmanniana_ligamentina       
  |  |        +--+                                 
  |  |           +-- Lampsilis_siliquoidea         
  |  |                                             
  |  |        +----- Villosa_villosa               
  |  +--------+                                    
--+  |        |  +-- Ligumia_recta                 
  |  |        +--+                                 
  |  |           +-- Cambarunio_iris               
  |  |                                             
  |  |     +-------- Ortmanniana_pectorosa         
  |  +-----+                                       
  |  |     |  +----- Lampsilis_ornata              
  |  |     +--+                                    
  |  |        |  +-- Lampsilis_cardium             
  |  |        +--+                                 
  |  |           +-- Lampsilis_ovata               
  |  |                                             
  |  |           +-- Potamilus_fragilis            
  |  |        +--+                                 
  |  |        |  +-- Potamilus_leptodon            
  |  +--------+                                    
  |  |        |  +-- Potamilus_alatus              
  |  |        +--+                                 
  |  |           +-- Potamilus_purpuratus          
  |  |                                             
  |  |           +-- Ptychobranchus_fasciolaris    
  +--+  +--------+                                 
     |  |        +-- Venustaconcha_ellipsiformis[1]
     |  |                                          
     +--+  +-------- Medionidus_conradicus         
     |  |  |                                       
     |  |  |     +-- Lemiox_rimosus                
     |  +--+-----+                                 
     |     |     +-- Medionidus_acutissimus        
     |     |                                       
     |     |  +----- Dromus_dromas                 
     |     +--+                                    
     |        |  +-- Cyprogenia_aberti             
     |        +--+                                 
     |           +-- Cyprogenia_stegaria           
     |                                             
     |        +----- Hamiota_australis[2]          
     |  +-----+                                    
     |  |     |  +-- Hamiota_australis[1]          
     |  |     +--+                                 
     |  |        +-- Hamiota_subangulata           
     +--+                                          
     |  |        +-- Hamiota_altilis[3]            
     |  |  +-----+                                 
     |  |  |     +-- Hamiota_perovalis[2]          
     |  +--+                                       
     |     |  +----- Hamiota_altilis[2]            
     |     +--+                                    
     |        |  +-- Hamiota_altilis[1]            
     |        +--+                                 
     |           +-- Hamiota_perovalis[1]          
     |                                             
     |  +----------- Obovaria_olivaria             
     |  |                                          
     |  +----------- Venustaconcha_ellipsiformis[2]
     |  |                                          
     |  |     +----- Obovaria_unicolor             
     |  +-----+                                    
     +--+     |  +-- Obovaria_arkansasensis        
        |     +--+                                 
        |        +-- Obovaria_subrotunda           
        |                                          
        |        +-- Epioblasma_brevidens          
        |  +-----+                                 
        |  |     +-- Epioblasma_triquetra          
        +--+                                       
           |  +----- Epioblasma_walkeri[1]         
           +--+                                    
              |  +-- Epioblasma_walkeri[2]         
              +--+                                 
                 +-- Epioblasma_capsaeformis

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

iT tT bi riS oT roT roS iD
1 1 0 1 12 1 1 -- 
  +-- Lampsilis_siliquoidea
--+                        
  +-- Sagittunio_nasutus **

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

iT tT bi riS oT roT roS iD
1 1 0 1 55 47 22 -- 
                                +-------- 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
                    |  |                                             
                    |  |        +-------- Obovaria_olivaria          
                    +--+  +-----+                                    
                       |  |     |  +----- Obovaria_unicolor          
                       |  |     +--+                                 
                       |  |        |  +-- Obovaria_subrotunda        
                       +--+        +--+                              
                          |           +-- Obovaria_arkansasensis     
                          |                                          
                          |  +----------- Epioblasma_brevidens       
                          +--+                                       
                             |  +-------- Epioblasma_triquetra       
                             +--+                                    
                                |  +----- Epioblasma_rangiana        
                                +--+                                 
                                   |  +-- Epioblasma_walkeri         
                                   +--+                              
                                      +-- Epioblasma_capsaeformis

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

iT tT bi riS oT roT roS iD
1 1 0 1 56 47 22 -- 
                                   +----- Ptychobranchus_fasciolaris 
                                +--+                                 
                                |  |  +-- Dromus_dromas              
                                |  +--+                              
  +-----------------------------+     +-- Cyprogenia_stegaria        
  |                             |                                    
  |                             |  +----- Medionidus_conradicus      
  |                             +--+                                 
  |                                |  +-- Medionidus_acutissimus     
  |                                +--+                              
  |                                   +-- Lemiox_rimosus             
  |                                                                  
  |  +----------------------------------- Sagittunio_nasutus **         
  |  |                                                               
--+  |                    +-------------- Potamilus_leptodon         
  |  |                    |                                          
  |  +--------------------+  +----------- Potamilus_fragilis         
  |  |                    |  |                                       
  |  |                    +--+        +-- Potamilus_alatus           
  |  |                       |  +-----+                              
  |  |                       |  |     +-- Potamilus_purpuratus       
  |  |                       +--+                                    
  |  |                          |  +----- Potamilus_inflatus         
  |  |                          +--+                                 
  +--+                             |  +-- Potamilus_ohiensis         
     |                             +--+                              
     |                                +-- Potamilus_amphichaenus     
     |                                                               
     |                                +-- Truncilla_truncata         
     |  +-----------------------------+                              
     |  |                             +-- Ellipsaria_lineolata       
     |  |                                                            
     |  |                             +-- Ortmanniana_pectorosa      
     |  |                       +-----+                              
     |  |                       |     +-- Lampsilis_fasciola         
     |  |  +--------------------+                                    
     +--+  |                    |  +----- Lampsilis_ornata           
        |  |                    +--+                                 
        |  |                       |  +-- Lampsilis_ovata            
        |  |                       +--+                              
        |  |                          +-- Lampsilis_cardium          
        |  |                                                         
        |  |                          +-- Ligumia_recta              
        +--+                 +--------+                              
           |                 |        +-- Cambarunio_iris            
           |  +--------------+                                       
           |  |              |  +-------- Lampsilis_teres            
           |  |              |  |                                    
           |  |              +--+     +-- Hamiota_australis          
           |  |                 |  +--+                              
           |  |                 |  |  +-- Hamiota_subangulata        
           +--+                 +--+                                 
              |                    |  +-- Hamiota_altilis            
              |                    +--+                              
              |                       +-- Hamiota_perovalis          
              |                                                      
              |  +----------------------- Leaunio_vanuxemensis       
              |  |                                                   
              +--+  +-------------------- Ortmanniana_ligamentina    
                 |  |                                                
                 +--+  +----------------- Lampsilis_siliquoidea      
                    |  |                                             
                    |  |  +-------------- Obovaria_olivaria          
                    +--+  |                                          
                       |  +-------------- Venustaconcha_ellipsiformis
                       |  |                                          
                       |  |        +----- Obovaria_unicolor          
                       +--+--------+                                 
                          |        |  +-- Obovaria_subrotunda        
                          |        +--+                              
                          |           +-- Obovaria_arkansasensis     
                          |                                          
                          |  +----------- Epioblasma_brevidens       
                          +--+                                       
                             |  +-------- Epioblasma_triquetra       
                             +--+                                    
                                |  +----- Epioblasma_rangiana        
                                +--+                                 
                                   |  +-- Epioblasma_walkeri         
                                   +--+                              
                                      +-- Epioblasma_capsaeformis

Gangloff et al., 2013 [Publ 3551], fig. 2

iT tT bi riS oT roT roS iD
1 1 0 1 3 3 2 -- 
     +-- Ligumia_recta              
  +--+                              
  |  +-- Sagittunio_nasutus **         
--+                                 
  |  +-- Venustaconcha_ellipsiformis
  +--+                              
     +-- Venustaconcha_pleasii

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

iT tT bi riS oT roT roS iD
1 1 0 1 32 25 17 -- 
  +----------- Cambarunio_simus     
  |                                 
  +----------- Leaunio_lienosus     
  |                                 
  +----------- Villosa_villosa      
  |                                 
  |        +-- Sagittunio_nasutus **   
  +--------+                        
--+        +-- Lampsilis_ovata      
  |                                 
  |     +----- Venustaconcha_pleasii
  +-----+                           
  |     |  +-- Epioblasma_rangiana  
  |     +--+                        
  |        +-- Obovaria_unicolor    
  |                                 
  |  +-------- Lampsilis_teres      
  +--+                              
     |  +----- Lampsilis_siliquoidea
     +--+                           
        |  +-- Lampsilis_hydiana    
        +--+                        
           +-- Lampsilis_straminea

Page updated: 11:29:38 Wed 22 Nov 2023
 
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