Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa
18 available nominal species synonyms (20 total synonyms)
Pisidium (Cyclocalyx) compressum — Mackie (2007), Bespalaya et al. (2017), Fuentealba-Jara et al. (2017)
Pisidium compressum — Schultheiß et al. (2008), Bogan (2010), ITIS (2012), Clewing et al. (2013), Ram et al. (2014), Saito et al. (2022)
Euglesa (Cyclocalyx) compressa — Mouthon & Forcellini (2017)
Euglesa compressum — Vinarski et al. (2020)
Euglesa compressa — Príe et al. (2021), Czaja et al. (2023), Prié et al. (2023)
Euglesa (Casertiana) compressa — Bespalaya et al. (2023)
Widespread in North America, and south into Mexico. Reported from Beringia in northern East Asia. Introduced to Europe.

There are no specimens for this species in the MUSSELpdb.
RMBH_MSph_282_2. (16S: ON814900, 28S: ON783901, go to Genbank) USA: Montana, Yellowstone National Park, Madison River.
RMBH_MSph_286_3. (16S: ON814902, 28S: ON783906, go to Genbank) ditto.