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Thu 3 September 2025

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!

Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Unio mardinensis

nominal species Unio araxenus Drouët, 1881

= Unio mardinensis

Taxonomic Opinions

+ Unio mardinensis Lea, 1865 — Lopes-Lima et al., 2024

+ Unio bruguierianus Bourguignat, 1853 — Lopes-Lima et al., 2021

= Unio (Eolymnium) araxenus Drouët, 1881 — Vinarski & Kantor, 2016

= Eolymnium araxenum (Drouët, 1881) — Kantor et al., 2010

+ Unio crassus gontieri Bourguignat, 1856 — Graf, 2007

+ Crassiana crassa sieversi (Drouët, 1881) — Kantor & Sysoev, 2005

= Eolymnium (Shadininaia) araxenum (Drouet, 1881) — Zatravkin, 1987

= Eolymnium (Shadininaia) araxenum (Drouet, 1881) — Zatravkin, 1983

+ Crassiana crassa sieversi (Drouët, 1881) — Akromovski, 1976

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1969

= Unio sieversi var. araxenus Drouët, 1881 — Zhadin, 1965

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1940

= Unio (s.s.) sieversi var. araxenus Drouet, 1881 — Zhadin, 1938

= Unio araxenus Drouet, 1881 — Paetel, 1890

= Unio araxenus Drouët — Westerlund, 1890

= Unio araxenus Drouët — Kobelt, 1886

= Unio araxenus Drouët (sp. n.) — Drouët, 1881