Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa obtusalis
Starobogatov & Streletzkaja, 1967. Trudy Zool. Inst. 42: 251.
(intro'd as intra-sp. of Pisidium scholtzi var. lapponicum Clessin in Westerlund, 1873)
= Euglesa (Cyclocalyx) cor (Starobogatov & Streletzkaja, 1967) — Vinarski & Kantor, 2016: 127.
+ Pisidium obtusale (Lamarck, 1818) — He & Zhuang, 2013: 164.
= Cyclocalyx cor (Starobogatov & Streletzkaja, 1967) — Kantor et al., 2010: 306.
= Cyclocalyx (s.s.) cor (Starobogatov & Streletzkaja, 1967) — Starobogatov et al., 2004: 74, pl. 80, figs. 7-9.