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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!

Search the database pages:

Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Acuticostini

genus Acuticosta Simpson, 1900: cladomics
     2 Recent valid species (2 total species)

Cladomics Summary

number of species = 2 (2 total)
analyzed in 63 cladograms in 38 publications
maximum number of terminals in an analysis = 2 (mean = 1.11, median = 1)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 7
maximum number of included terminals = 2, (mean = 2 median = 2)
proportion of cladograms that support basic monophyly = 1

Pairwise Cladogram Clustering

The graphs below depict in two dimensions all pair-wise ingroup distances within the cladome. See the Cladmoics FARQ for more information.


PCoA Ordination


NJ Tree

Huang et al., 2019 [Publ 3843], fig. S1

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

iTtTbiriSoTroTroSiD
220104500--
  +-------------- Acuticosta_ovata__1 **    
  |                                      
  |  +----------- Acuticosta_chinensis__3 **
--+  |                                   
  |  +----------- Acuticosta_chinensis__4 **
  |  |                                   
  +--+----------- Acuticosta_chinensis__6 **
     |                                   
     |        +-- Acuticosta_chinensis__1 **
     |  +-----+                          
     |  |     +-- Acuticosta_ovata__2 **    
     +--+                                
        |  +----- Acuticosta_chinensis__5 **
        |  |                             
        +--+----- Acuticosta_chinensis__7 **
           |                             
           |  +-- Acuticosta_chinensis__2 **
           +--+                          
              +-- Acuticosta_ovata__3 **

Wu et al., 2026 [Publ 4811], fig. 4

iTtTbiriSoTroTroSiD
22029400--
  +-- Acuticosta_chinensis **
--+                       
  +-- Acuticosta_ovata **

Ouyang et al., 2015 [Publ 4493], fig. 1

iTtTbiriSoTroTroSiD
22022900--
  +-- Acuticosta_ovata **    
--+                       
  +-- Acuticosta_chinensis **

Ouyang et al., 2015 [Publ 4493], fig. 2

iTtTbiriSoTroTroSiD
22062900--
  +-------------- Acuticosta_chinensis__5 **
--+                                      
  |  +----------- Acuticosta_chinensis__4 **
  +--+                                   
     |  +-------- Acuticosta_chinensis__3 **
     +--+                                
        |  +----- Acuticosta_chinensis__2 **
        +--+                             
           |  +-- Acuticosta_chinensis__1 **
           +--+                          
              +-- Acuticosta_ovata **

Wang et al., 2025 [Publ 4488], fig. 3B

iTtTbiriSoTroTroSiD
22026300--
  +-- Acuticosta_chinensis **
--+                       
  +-- Acuticosta_ovata **

Wu et al., 2026 [Publ 4811], fig. 3

iTtTbiriSoTroTroSiD
22021500--
  +-- Acuticosta_ovata **    
--+                       
  +-- Acuticosta_chinensis **

Zhou et al., 2007 [Publ 2658], fig. 1

iTtTbiriSoTroTroSiD
22021900--
  +-- Acuticosta_ovata **    
--+                       
  +-- Acuticosta_chinensis **

Wu et al., 2018 [Publ 3836], fig. 2

iTtTbiriSoTroTroSiD
11015200--
-- Acuticosta_chinensis **

Fukata & Iigo, 2019 [Publ 4108], fig. 1

iTtTbiriSoTroTroSiD
11011600--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11019500--
-- Acuticosta_chinensis **

Wu et al., 2021 [Publ 4366], fig. 6

iTtTbiriSoTroTroSiD
11019000--
-- Acuticosta_chinensis **

Wu et al., 2021 [Publ 4366], fig. 2_I

iTtTbiriSoTroTroSiD
11019000--
-- Acuticosta_chinensis **

Chen et al., 2025 [Publ 4487], fig. 2

iTtTbiriSoTroTroSiD
11014000--
-- Acuticosta_chinensis **

Liu et al., 2017 [Publ 3939], fig. 2

iTtTbiriSoTroTroSiD
11011400--
-- Acuticosta_chinensis **

Pavan-Kumar et al., 2022 [Publ 4263], fig. 4

iTtTbiriSoTroTroSiD
11013600--
-- Acuticosta_chinensis **

Wu et al., 2023 [Publ 4296], fig. 4

iTtTbiriSoTroTroSiD
11012200--
-- Acuticosta_chinensis **

Chen et al., 2023 [Publ 4302], fig. 2

iTtTbiriSoTroTroSiD
11014000--
-- Acuticosta_chinensis **

Zhou et al., 2007 [Publ 2658], fig. 2

iTtTbiriSoTroTroSiD
11011700--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11016800--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
120263100--
  +----- Acuticosta_chinensis__2 **
--+                             
  |  +-- Acuticosta_chinensis__1 **
  +--+                          
     +-- Pseudoacuticosta

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

iTtTbiriSoTroTroSiD
110119900--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11018700--
-- Acuticosta_chinensis **

Dai et al., 2025 [Publ 4440], fig. 1

iTtTbiriSoTroTroSiD
11014400--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11014800--
-- Acuticosta_chinensis **

Ouyang et al., 2011 [Publ 3408], fig. 1

iTtTbiriSoTroTroSiD
11011200--
-- Acuticosta_chinensis **

Huang et al., 2002 [Publ 2657], fig. 1

iTtTbiriSoTroTroSiD
11013300--
-- Acuticosta_ovata **

Dai et al., 2024 [Publ 4386], fig. 6

iTtTbiriSoTroTroSiD
11014100--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11015500--
-- Acuticosta_chinensis **

Konopleva et al., 2023 [Publ 4269], fig. S1_4

iTtTbiriSoTroTroSiD
11015500--
-- Acuticosta_chinensis **

Huang et al., 2019 [Publ 3843], fig. 1

iTtTbiriSoTroTroSiD
11014400--
-- Acuticosta_chinensis **

Aunins et al., 2018 [Publ 3863], fig. 1

iTtTbiriSoTroTroSiD
11013900--
-- Acuticosta_chinensis **

Sano et al., 2020 [Publ 4138], fig. 1

iTtTbiriSoTroTroSiD
11013300--
-- Acuticosta_chinensis **

Wu et al., 2021 [Publ 4215], fig. 3

iTtTbiriSoTroTroSiD
11012300--
-- Acuticosta_chinensis **

Dai et al., 2025 [Publ 4440], fig. 2

iTtTbiriSoTroTroSiD
11014400--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11019100--
-- Acuticosta_chinensis **

Dai et al., 2024 [Publ 4386], fig. 5-ML

iTtTbiriSoTroTroSiD
11012100--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11019500--
-- Acuticosta_chinensis **

Pfeiffer & Graf, 2013 [Publ 3531], fig. 2

iTtTbiriSoTroTroSiD
11013000--
-- Acuticosta_chinensis **

Liu et al., 2023 [Publ 4310], fig. 5

iTtTbiriSoTroTroSiD
11012300--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11017300--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11017300--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
110119900--
-- Acuticosta_chinensis **

Huang et al., 2002 [Publ 2657], fig. 2

iTtTbiriSoTroTroSiD
11013300--
-- Acuticosta_ovata **

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

iTtTbiriSoTroTroSiD
110119700--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11018500--
-- Acuticosta_chinensis **

Lopes-Lima et al., 2020 [Publ 4080], fig. 2-4

iTtTbiriSoTroTroSiD
110112100--
-- Acuticosta_chinensis **

Kim et al., 2021 [Publ 4197], fig. 1

iTtTbiriSoTroTroSiD
11011700--
-- Acuticosta_chinensis **

Pavan-Kumar et al., 2022 [Publ 4263], fig. S5

iTtTbiriSoTroTroSiD
11013800--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
110114000--
-- Acuticosta_chinensis **

Wang et al., 2018 [Publ 3865], fig. 2

iTtTbiriSoTroTroSiD
11013000--
-- Acuticosta_chinensis **

Chen et al., 2025 [Publ 4487], fig. 3

iTtTbiriSoTroTroSiD
11014000--
-- Acuticosta_chinensis **

Wu et al., 2022 [Publ 4238], fig. 2d

iTtTbiriSoTroTroSiD
11013800--
-- Acuticosta_chinensis **

Chen et al., 2023 [Publ 4302], fig. 1

iTtTbiriSoTroTroSiD
11014000--
-- Acuticosta_chinensis **

Liu et al., 2023 [Publ 4310], fig. 4

iTtTbiriSoTroTroSiD
11012300--
-- Acuticosta_chinensis **

Sano et al., 2017 [Publ 3799], fig. 2

iTtTbiriSoTroTroSiD
11013200--
-- Acuticosta_ovata **

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

iTtTbiriSoTroTroSiD
11014500--
-- Acuticosta_chinensis **

Dai et al., 2023 [Publ 4285], fig. 5

iTtTbiriSoTroTroSiD
11015200--
-- Acuticosta_chinensis **

Dai et al., 2024 [Publ 4358], fig. 4

iTtTbiriSoTroTroSiD
11015200--
-- Acuticosta_chinensis **

Dai et al., 2024 [Publ 4386], fig. 5-BI

iTtTbiriSoTroTroSiD
11012100--
-- Acuticosta_chinensis **

Fukata & Iigo, 2020 [Publ 4106], fig. 1

iTtTbiriSoTroTroSiD
11015300--
-- Acuticosta_chinensis **

Zhang et al., 2004 [Publ 2735], fig. 1

iTtTbiriSoTroTroSiD
11011300--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11017300--
-- Acuticosta_chinensis **

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

iTtTbiriSoTroTroSiD
11019100--
-- Acuticosta_chinensis **
 
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