Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio crassus
Kobelt, 1912. Icon. Land- und Süssw.-Moll. 18: 26, pl. 491, fig. 2626.
(intro'd as intra-sp. of Unio kungurensis Kobelt, 1912)
+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 10.
= Unio (Crassiana) irenjensis Kobelt, 1912 — Vinarski & Kantor, 2016: 25.
= Crassiana irenjensis (Kobelt, 1912) — Kantor et al., 2010: 260.
+ Unio crassus gontieri Bourguignat, 1856 — Graf, 2007: 84.
= Crassiana irenjensis (Kobelt, 1912) — Kantor & Sysoev, 2005: 330.
= Batavusiana (s.s.) irenjensis (Kobelt, 1912) — Zatravkin, 1987: 54.
= Batavusiana (s.s.) irenjensis (Kobelt, 1912) — Stadnichenko, 1984: 81, fig. 26.
= Batavusiana (s.s.) irenjensis (Kobelt, 1912) — Zatravkin, 1983: 40.
+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1969: 53.
+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1940: 132.
+ Unio (s.s.) crassus var. chlebnikovi [sic] Kobelt, 1912 — Zhadin, 1938: 89.