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

nominal species Unio crassus var. okae Kobelt & Haas, 1910

Unio crassus var. okae Kobelt & Haas, 1910 = Unio crassus

Kobelt & Haas, 1910. Icon. Land- und Süssw.-Moll. 17: 58, index, pl. 480, fig. 2567.
(intro'd as intra-sp. of Unio crassus Philipsson in Retzius, 1788)

= Unio crassus

Taxonomic Opinions

+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1969

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1940

= Unio (s.s.) crassus var. okae Kobelt, 1911 — Zhadin, 1938