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nominal species Unio kungurensis Kobelt, 1912

Unio kungurensis Kobelt, 1912 = Unio crassus

Kobelt, 1912. Icon. Land- und Süssw.-Moll. 18: 24, pl. 490, figs. 2622-2623.
HOLOTYPE SMF 10972, Reka Iren’, Kungur, Perm Krai, Russia.

Taxonomic Opinions

+ Unio crassus Philipsson, 1788 — Nagel, 2025: 124, fig. 80.

holotype SMF 10972/1 — Russia, “bei Kungur im Gouvernement Perm in dem Flüsschen Irenj” [57°26’N 056°56’E] (coll. O. Boettger, leg. A.M. Chlebnikov 1890)

+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 10.

+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016: 25.

+ Unio crassus gontieri Bourguignat — Haas, 1969: 53.

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1940: 131.

= Unio (s.s.) crassus kungurensis Kobelt, 1912 — Zhadin, 1938: 89, sp. 3b.