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nominal species Unio tumidus var. fridmani Zhadin, 1938

Unio tumidus var. fridmani Zhadin, 1938 = Unio tumidus

Zhadin, 1938. Faune USSR Mollusques 4(1): 86, text fig. 21.
(intro'd as intra-sp. of Unio tumidus Philipsson in Retzius, 1788)

Taxonomic Opinions

+ Unio (s.s.) tumidus Retzius, 1788 — Vinarski & Kantor, 2016: 23.

+ Tumidiana tumida tumida (Philipsson in Retzius, 1788) — Kantor & Sysoev, 2005: 328.

+ Unio tumidus borysthenensis Kobelt, 1879 — Haas, 1969: 22.

= Unio tumidus var. fridmani Shadin, 1938 — Zhadin, 1965: 242, fig. 256.

+ Unio tumidus borysthenensis Kobelt, 1879 — Haas, 1940: 129.

= Unio (s.s.) tumidus var. fridmani Zhadin, 1938 — Zhadin, 1938: 86, sp. 2i, fig. 21.