The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio gontierii

nominal species Unio mingrelicus var. stevenianiformis Zhadin, 1938

Zhadin, 1938, Faune USSR Mollusques 4(1): 96, text fig. 28.
(intro'd as intra-sp. of Unio mingrelicus Drouët, 1881)

= Unio gontierii

Taxonomic Opinions

+ Unio gontierii Bourguignat, 1856 — Lopes-Lima et al., 2024
= Unio (Crassiana) stevenianiformis Zhadin, 1938 — Vinarski & Kantor, 2016
= Crassiana stevenianiformis (Rosén, 1925) [sic] — Kantor et al., 2010
+ Unio crassus gontieri Bourguignat, 1856 — Graf, 2007
= Batavusiana (s.s.) stevenianiformes [sic] (Shadin, 1938) — Zatravkin, 1987
= Batavusiana (s.s.) stevenianiformis (Shadin, 1938) — Zatravkin, 1983
+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1969
+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1940
= Unio (s.s.) mingrelicus var. stevenianiformis Zhadin, 1938 — Zhadin, 1938

Page updated: 08:37:50 Tue 01 Jul 2025