Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium
2 available nominal species synonyms (3 total synonyms)
Sphaerium occidentale — Mackie (2007), Schultheiß et al. (2008), Bogan (2010), Stunžėnas et al. (2011), ITIS (2012), Clewing et al. (2013), Bespalaya et al. (2017), Saito et al. (2022), Bespalaya et al. (2022)
Sphaerium (Herringtonium) occidentale — Fuentealba-Jara et al. (2017), Bespalaya et al. (2023)
Widespread in North America.

There are no specimens for this species in the MUSSELpdb.
UMMZ_300354. (16S: DQ986373, go to Genbank) Grapevine Pt. Douglas Lake, Munro Twp SE1/4 Sec 28 T37N, R3W, Cheboygan Co., Michigan.
RMBH_MSph_285_1. (16S: ON563530, 28S: ON783904, go to Genbank) USA: Montana, Yellowstone National Park, Yellowstone Lake.
RMBH_MSph_285_2. (16S: ON563531, 28S: ON783905, go to Genbank) ditto.