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=10210
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Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Pleurobema stewardi nominal species Unio stewardi utahensis Yen, 1952
Yen, 1952, U.S. Geol. Surv. Prof. Pap. 233-B: 36, pl. 3, figs. 3a-e.
(intro'd as intra-sp. of Unio stewardi White, 1876)
= Pleurobema stewardi Taxonomic Opinions
= “Unio” stewardi utahensis Yen, 1952 — Evanoff et al., 1998
= Unio stewardi utahensis n. sp. — Yen, 1952
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