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Page last updated
Wed 1 October 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 | Veneroida | Cyrenoidea | Cyrenoididae | Polymesoda

species Polymesoda species __: synonymy
     0 specimens

Cyrena sordida Hanley, 1844
Hanley, 1844. Proc. Zool. Soc. London 1844: 159.
Hanley, 1856. Cat. Rec. Bivalve Shells, Suppl.: 352, pl. 14, fig. 51.

Polymesoda (s.s.) sordidaMartens (1900)

Cyrena triangula Philippi, 1848
‘v. d. Busch’ Philippi, 1848. Abbild. Beschr. Conch. 3: 78, pl. 2, fig. 3.

Polymesoda (s.s.) triangulaMartens (1900)
Neocyrena triangulaOlsson (1961)
Polymesoda triangulataOBIS (2012)

Cyrena subquadrata Deshayes, 1854
Deshayes, 1854. Proc. Zool. Soc. London: 21, sp. 33.

Cyrena (Anomala) cumingii Deshayes, 1854
Deshayes, 1854. Proc. Zool. Soc. London: 22, sp. 37.

Polymesoda (Egeta) cumingiMartens (1900)

Cyrena californiensis Prime, 1860
Prime, 1860. Proc. Acad. Nat. Sci. 12: 276.

Cyrena californica Prime, 1865
Prime, 1865. Smithsonian Misc. Coll. (145): 23.
Prime, 1870. Amer. J. Conch. 5: 142.
‘Prime’ Clessin, 1879. Conch. Cab. 9(3): 232.

Polymesoda triangulata OBIS, 2012
‘(Philippi)’ OBIS, 2012. unknown publication: [web].

Taxonomic History (since 1900)

Polymesoda (s.s.) sordidaMartens (1900)
Polymesoda (s.s.) triangulaMartens (1900)
Polymesoda (Egeta) cumingiMartens (1900)
Neocyrena triangulaOlsson (1961)
Polymesoda triangulataOBIS (2012)

 
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