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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 | Hyrioidea | Hyriidae | Hyriinae

genus Echyridella McMichael & Hiscock, 1958: cladomics
     3 Recent valid species (4 total species)

Cladomics Summary

number of species = 3 (4 total)
analyzed in 55 cladograms in 29 publications
maximum number of terminals in an analysis = 3 (mean = 1.07, median = 1)

Basic Monophyly

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


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

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

iTtTbiriSoTroTroSiD
33136291540
  +----- Echyridella_aucklandica **
--+                             
  |  +-- Echyridella_onekaka **    
  +--+                          
     +-- Echyridella_menziesii **  

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

iTtTbiriSoTroTroSiD
331311420
  +----- Echyridella_aucklandica **
--+                             
  |  +-- Echyridella_menziesii **  
  +--+                          
     +-- Echyridella_onekaka **    

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

iTtTbiriSoTroTroSiD
11014653--
  +-------- Echyridella_menziesii **
--+                              
  |  +----- Hyridella            
  +--+                           
     |  +-- Castalia             
     +--+                        
        +-- Diplodon             

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

iTtTbiriSoTroTroSiD
11013700--
-- Echyridella_menziesii **

Chase et al., 2018 [Publ 3861], fig. 1

iTtTbiriSoTroTroSiD
11011000--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11017200--
-- Echyridella_menziesii **

Guerra et al., 2017 [Publ 3772], fig. 2a

iTtTbiriSoTroTroSiD
11012400--
-- Echyridella_menziesii **

Huang et al., 2018 [Publ 3828], fig. 6

iTtTbiriSoTroTroSiD
11014100--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11013022--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11013022--
-- Echyridella_menziesii **

Walker et al., 2006 [Publ 2666], fig. 6

iTtTbiriSoTroTroSiD
11013543--
-- Echyridella_menziesii **

Huang et al., 2019 [Publ 3843], fig. 3-M

iTtTbiriSoTroTroSiD
11012200--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11018400--
-- Echyridella_menziesii **

Hoeh et al., 2009 [Publ 2716], fig. 4

iTtTbiriSoTroTroSiD
11014553--
  +-------- Echyridella_menziesii **
--+                              
  |  +----- Hyridella            
  +--+                           
     |  +-- Castalia             
     +--+                        
        +-- Diplodon             

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

iTtTbiriSoTroTroSiD
11013800--
-- Echyridella_menziesii **

Guerra et al., 2019 [Publ 4168], fig. 2-M

iTtTbiriSoTroTroSiD
11012100--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11017200--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11019400--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
110119864--
  +----------- Echyridella_menziesii **
--+                                 
  |  +-------- Hyridella            
  +--+                              
     |  +----- Diplodon             
     +--+                           
        |  +-- Castalia             
        +--+                        
           +-- Triplodon            

Wu et al., 2019 [Publ 3864], fig. 3

iTtTbiriSoTroTroSiD
11014500--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11019000--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11013322--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
110120064--
  +----------- Echyridella_menziesii **
--+                                 
  |  +-------- Hyridella            
  +--+                              
     |  +----- Diplodon             
     +--+                           
        |  +-- Castalia             
        +--+                        
           +-- Triplodon            

Santos-Neto et al., 2016 [Publ 3739], fig. 2a_b

iTtTbiriSoTroTroSiD
110119124--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11011043--
           +-- Diplodon              
  +--------+                         
  |        +-- Castalia              
--+                                  
  |  +-------- Hyridella_australis__2
  +--+                               
     |  +----- Hyridella_australis__1
     +--+                            
        |  +-- Echyridella_menziesii ** 
        +--+                         
           +-- Hyridella_depressa    

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

iTtTbiriSoTroTroSiD
11014653--
  +-------- Echyridella_menziesii **
--+                              
  |  +----- Hyridella            
  +--+                           
     |  +-- Castalia             
     +--+                        
        +-- Diplodon             

Guerra et al., 2019 [Publ 4168], fig. 1-M

iTtTbiriSoTroTroSiD
11012100--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11016700--
-- Echyridella_menziesii **

Santos-Neto et al., 2016 [Publ 3739], fig. 4

iTtTbiriSoTroTroSiD
110119124--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11013022--
-- Echyridella_menziesii **

Baker et al., 2003 [Publ 2690], fig. 5

iTtTbiriSoTroTroSiD
1101743--
  +-- Echyridella_menziesii **
--+                        
  +-- Castalia             

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

iTtTbiriSoTroTroSiD
11017200--
-- Echyridella_menziesii **

Guerra et al., 2017 [Publ 3772], fig. 2b-M

iTtTbiriSoTroTroSiD
1101700--
-- Echyridella_menziesii **

Walker et al., 2006 [Publ 2666], fig. 6-M

iTtTbiriSoTroTroSiD
11011300--
-- Echyridella_menziesii **

Huang et al., 2018 [Publ 3828], fig. 6-M

iTtTbiriSoTroTroSiD
11011600--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11014553--
  +-------- Echyridella_menziesii **
--+                              
  |  +----- Hyridella            
  +--+                           
     |  +-- Castalia             
     +--+                        
        +-- Diplodon             

Chase et al., 2018 [Publ 3847], fig. 5

iTtTbiriSoTroTroSiD
1101900--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
110113933--
  +-------- Echyridella_menziesii **
--+                              
  |  +----- Diplodon             
  +--+                           
     |  +-- Castalia             
     +--+                        
        +-- Prisodon             

Guerra et al., 2017 [Publ 3772], fig. 2a-M

iTtTbiriSoTroTroSiD
1101700--
-- Echyridella_menziesii **

Baker et al., 2004 [Publ 2685], fig. 2-3

iTtTbiriSoTroTroSiD
1101843--
  +-- Echyridella_menziesii **
--+                        
  +-- Castalia             

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

iTtTbiriSoTroTroSiD
11018600--
-- Echyridella_menziesii **

Guerra et al., 2019 [Publ 4168], fig. 1

iTtTbiriSoTroTroSiD
11014033--
-- Echyridella_menziesii **

Hoeh et al., 2002 [Publ 2673], fig. 1-F

iTtTbiriSoTroTroSiD
1101800--
-- Echyridella_menziesii **

Wu et al., 2020 [Publ 4121], fig. 3

iTtTbiriSoTroTroSiD
11014700--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11019000--
-- Echyridella_menziesii **

Hoeh et al., 2002 [Publ 2673], fig. 1-M

iTtTbiriSoTroTroSiD
1101800--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
110120064--
-- Echyridella_menziesii **

Guerra et al., 2017 [Publ 3772], fig. 2b

iTtTbiriSoTroTroSiD
11012400--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11013022--
-- Echyridella_menziesii **

Chase et al., 2018 [Publ 3861], fig. 1-M

iTtTbiriSoTroTroSiD
11011000--
-- Echyridella_menziesii **

Huang et al., 2019 [Publ 3843], fig. 3

iTtTbiriSoTroTroSiD
11015500--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11013022--
-- Echyridella_menziesii **

Campbell & Lydeard, 2026 [Publ 4810], fig. 4

iTtTbiriSoTroTroSiD
11014600--
-- Echyridella_menziesii **

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

iTtTbiriSoTroTroSiD
11019400--
-- Echyridella_menziesii **

Guerra et al., 2019 [Publ 4168], fig. 2

iTtTbiriSoTroTroSiD
11014033--
  +-------- Echyridella_menziesii **
--+                              
  |  +----- Diplodon             
  +--+                           
     |  +-- Castalia             
     +--+                        
        +-- Prisodon             
 
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