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!

The MUSSEL Project Database is moving to a new server, with a new URL! The new address for this page will be: https://musselpdb.org/fmuotwaolcb/db.php?ty=nomsp&id=8758

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Bivalvia | Veneroida | Cyrenoidea | Cyrenoididae | Polymesoda mexicana

nominal species Cyrena aequilateralis Deshayes, 1854

Deshayes, 1854, Cat. Bivalves Brit. Mus. part 1: 255 [as ‘æquilateralis’].
(new name for Cyrena aequilatera Deshayes, 1854)

= Polymesoda mexicana

Taxonomic Opinions

+ Cyrena (Leptosiphon) mexicana Broderip et Sowerby, 1829 — Fischer & Crosse, 1894
+ Cyrena mexicana Sow. — Clessin, 1877
= Cyrena aequilateralis Desh. — Deshayes, 1854

Page updated: 09:26:18 Mon 28 Jul 2025