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Page last updated
Thu 24 Jul 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!

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=4338

Search the database pages:

Unionoidea | Unionidae | Unioninae | Anodontini | Anodontina | Anodonta impura

nominal species Anodonta chalcoensis Crosse & Fischer, 1893


Crosse & Fischer, 1893, J. de Conch. 41: 110.
Fischer & Crosse, 1894, Miss. Sci. Mexique, Rech. Zool. 2(15): 522, pl. 64, figs. 7-7a.
Type(s): SYNTYPE MNHN-IM-2000-1656, Mexique, Lac de Chalco.

= Anodonta impura

Taxonomic Opinions

+ Anodonta (Brachyanodon) impura Say, 1829 — Haas, 1969
+ Anodonta (s.s.) impura Say, 1829 — Frierson, 1927
+ Anodonta exilior Lea, 1871 — Simpson, 1914
+ Anodonta cygnea impura Say, 1829 — Hannibal, 1912
+ Anodonta exilior Lea, 1871 — Simpson, 1900
= Anodonta (s.s.) chalcoensis Crosse & Fischer, 1893 — Martens, 1900
= Anodonta (Brachyanodon) chalcoensis Crosse & Fischer, 1893 — Fischer & Crosse, 1894

Page updated: 10:40:22 Thu 24 Jul 2025

 
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