Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio crassus

nominal species Unio kungurensis sylwensis Kobelt, 1912

Unio kungurensis sylwensis Kobelt, 1912 = Unio crassus

(intro'd as intra-sp. of Unio kungurensis Kobelt, 1912)
Kobelt, 1912. Icon. Land- und Süssw.-Moll. 18: 26, pl. 491, fig. 2625.
LECTOTYPE SMF 10974 (by Zilch, 1967: 67), Kungur, Russia.

Taxonomic Opinions

+ Unio crassus Philipsson, 1788 — Nagel, 2025: 151, fig. 139.

lectotype SMF 10974/1 (by Zilch, 1967: 67) — Russia, “aus dem Sylwa-Fluss, Gouvernement Perm” [... near Kungur, 57°26’N 056°56’E...] (coll. O. Boettger, leg. A.M. Chlebnikov 1890)

paralectotype SMF 11062/1

+ 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: 132.

+ Unio (s.s.) crassus var. chlebnikovi [sic] Kobelt, 1912 — Zhadin, 1938: 89.