MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Wed 04 February 2026
Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Pleurobema stewardi
nominal species Unio stewardi White, 1876
Unio stewardi White, 1876 = Pleurobema stewardi
White, 1876. Geol. Uinta Mts.: 93.
Taxonomic Opinions
= Unio stewardi White — Good, 2004
= “Unio” stewardi White, 1876 — Evanoff et al., 1998
= Obliquata stewardi (White, 1876) — Modell, 1957
= Unio stewardi White — Yen, 1952
= Unio stewardi White — Henderson, 1935
= Unio stewardi White — Branson, 1935
