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Page last updated
Mon 08 Sep 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 has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=nomsp&id=3323

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Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ortmanniana ligamentina

nominal species Unio callosus Lea, 1841


Lea, 1841, Proc. Amer. Phil. Soc. 2: 31.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 239 [77], pl. 23, fig. 54.
Type(s): HOLOTYPE AMNH_30561, Ohio Canal, 12 mi below Columbus, Franklin Co., Ohio.

= Ortmanniana ligamentina

Taxonomic Opinions

= Sphenonaias callosa (Lea, 1841) — Graf & Cummings, 2021
+ Actinonaias ligamentinaInoue et al., 2020
= Sphenonaias callosa (Lea, 1841) — Graf & Cummings, 2007
+ Nephronaias (Sphenonaias) mexicana (Philippi, 1847) — Haas, 1969
= Elliptio (Sphenonaias) callosus (Lea, 1841) — Frierson, 1927
= Unio (sec. Elliptio) callosus Lea, 1841 — Simpson, 1914
= Unio (sec. Elliptio) callosus Lea, 1841 — Simpson, 1900
= Unio callosus Lea — B.H. Wright, 1888
= Margaron (Unio) callosus (Lea) — Lea, 1870
= Unio (NiƤa) callosus Lea — Adams & Adams, 1857
= Unio callosus Lea, 1841 — Conrad, 1853
= Margaron (Unio) callosus (Lea) — Lea, 1852

Page updated: 11:34:11 Mon 08 Sep 2025

 
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