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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | 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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