Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio mardinensis
Drouët, 1881. Unionidae Russie: 18.
+ Unio mardinensis Lea, 1865 — Lopes-Lima et al., 2024: suppl. append. 2, p. 12.
+ Unio bruguierianus Bourguignat, 1853 — Lopes-Lima et al., 2021: Supplementary Appendix 1, p. 5.
= Unio (Eolymnium) araxenus Drouët, 1881 — Vinarski & Kantor, 2016: 28.
= Eolymnium araxenum (Drouët, 1881) — Kantor et al., 2010: 261.
+ Unio crassus gontieri Bourguignat, 1856 — Graf, 2007: 84.
+ Crassiana crassa sieversi (Drouët, 1881) — Kantor & Sysoev, 2005: 329.
= Eolymnium (Shadininaia) araxenum (Drouet, 1881) — Zatravkin, 1987: 49.
= Eolymnium (Shadininaia) araxenum (Drouet, 1881) — Zatravkin, 1983: 40.
+ Crassiana crassa sieversi (Drouët, 1881) — Akromovski, 1976: 235.
+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1969: 53.
= Unio sieversi var. araxenus Drouët, 1881 — Zhadin, 1965: 244.
+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1940: 131.
= Unio (s.s.) sieversi var. araxenus Drouet, 1881 — Zhadin, 1938: 94, sp. 6c.
= Unio araxenus Drouet, 1881 — Paetel, 1890: 144.
= Unio araxenus Drouët — Westerlund, 1890: 173.
= Unio araxenus Drouët — Kobelt, 1886: 41, pl. 53, fig. 285.
= Unio araxenus Drouët (sp. n.) — Drouët, 1881: 18.