Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa obtusalis
Clessin in Westerlund, 1873. Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 540.
Clessin, 1874. Conch. Cab. 9(3): 19.
(intro'd as intra-sp. of Pisidium scholtzii Clessin, 1873)
= Euglesa (Cyclocalyx) lapponica (Clessin in Westerlund, 1873) — Vinarski & Kantor, 2016: 127.
+ Pisidium obtusale (Lamarck, 1818) — He & Zhuang, 2013: 164.
= Cyclocalyx lapponicus (Clessin in Westerlund, 1873) — Kantor et al., 2010: 307.
= Cyclocalyx (s.s.) lapponicus (Clessin in Westerlund, 1873) — Starobogatov et al., 2004: 74, pl. 81, figs. 1-3.
+ Pisidium obtusale (Lamarck, 1818) — Burch, 1975: 57.
= Pisidium scholtzii var. lapponicum Clessin — Clessin, 1874: 19.