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nominal species Unio sieversi Drouët, 1881

Unio sieversi Drouët, 1881 = Unio gontierii

Drouët, 1881. Unionidae Russie: 17.

Taxonomic Opinions

+ Unio gontierii Bourguignat, 1856 — Lopes-Lima et al., 2024: suppl. append. 2, p. 11.

+ Unio (Eolymnium) byzantinus Drouët, 1879 — Vinarski & Kantor, 2016: 27.

= Crassiana crassa sieversi (Drouët, 1881) — Kantor et al., 2010: 259.

= Crassiana crassa sieversi (Drouët, 1881) — Kantor & Sysoev, 2005: 329.

= Unio sieversi Drouët, 1881 — Bába, 2000: 135, fig. 4.

+ Eolymnium (Shadininaia) byzantinus (Drouet, 1881) — Korniushin, 1998: 77.

+ Eolymnium (Shadininaia) byzantinum (Drouet, 1880) — Zatravkin, 1987: 49.

+ Eolymnium (Shadininaia) byzantinum (Drouet, 1881) — Zatravkin, 1983: 40.

= Crassiana crassa sieversi (Drouët, 1881) — Akromovski, 1976: 235, text figs. 116-117; pl. 15, fig. 150.

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1969: 53.

= Unio sieversi Drouët, 1881 — Zhadin, 1965: 244, fig. 260.

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1940: 131.

= Unio (s.s.) sieversi Drouet, 1881 — Zhadin, 1938: 93, sp. 6, fig. 25.

= Unio sieversi Drouët — Westerlund, 1890: 150.

= Unio sieversi Drouët — Kobelt, 1886: 37, 42, pl. 51, fig. 279; pl. 53, fig. 286.

= Unio sieversi Drouët (sp. n.) — Drouët, 1881: 17.