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

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

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

(renamed Unio tumidus var. kobeltianus Zhadin, 1938; homonym of Unio crassus var. okae Kobelt & Haas, 1910; intro'd as intra-sp. of Unio tumidus Philipsson in Retzius, 1788)
Kobelt & Haas, 1910. Icon. Land- und Süssw.-Moll. 17: 58, index, pl. 480, figs. 2565-2566.

Taxonomic Opinions

+ Unio tumidus Philipsson, 1788 — Nagel, 2025: 134, fig. 101.

lectotype SMF 10818/1 (by Zilch, 1967: 83) — Russia, “Aufenthalt mit der vorigen.” The type locality is the same as for Unio pictorum okae Kobelt, 1911, the taxon discussed immediately before by Kobelt [Serpuchow, 54°55’N037°25’E] (coll. W. Kobelt ex W.A. Lindholm vi.1908)

paralectotype SMF 345488/1 (ex SMF 10818)

paralectotypes SMF 19530/7

+ Unio tumidus borysthenensis Kobelt — Haas, 1969: 22.

+ Unio (s.s.) tumidus var. kobeltianus Zhadin, 1938 — Zhadin, 1938: 82.