MUSSELp

MUSSELpdb

Introduction

Browse

d'basing

Search the MUSSELpdb

Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

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

nominal species Unio stevenianus Drouët, 1881

Unio stevenianus Drouët, 1881 = Unio gontierii

Krynicki, 1837. Bull. Soc. imp. Nat. Moscou 10(2): 59 [as ‘steveniana’]. [nomen nudum]
‘Krynicki’ Drouët, 1881. Unionidae Russie: 14.
‘Krynicki’ Drouët, 1881. J. de Conch. 29: 24.
Drouët, 1884. Suppl. Unionidae de Serbie: pls. 1-2.

= Unio gontierii

Taxonomic Opinions

+ Unio gontierii Bourguignat, 1856 — Lopes-Lima et al., 2024

+ Unio (Crassiana) musivus Spengler, 1793 — Vinarski & Kantor, 2016

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

= Unio stevenianius [sic] Kyrnicky, 1837 — Bába, 2000

+ Batavusiana (s.s.) musiva (Spengler, 1793) — Zatravkin, 1987

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

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1969

= Unio stevenianus Krynicki, 1837 — Zhadin, 1965

+ Unio crassus gontieri Bourguignat, 1856 — Haas, 1940

= Unio (s.s.) stevenianus Drouet, 1881 — Zhadin, 1938

+ Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1914

+ Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1900

= Unio stevenianus Kryn., 1837 — Westerlund, 1890

= Unio stevenianus Krynicki — Kobelt, 1886

= Unio stevenianus Krynicki. in sched. — Drouët, 1881

= Unio stevenianus Kryn., in sched. — Drouët, 1881

+ Lea, 1870

+ Lea, 1852

= Unio steveniana m. — Krynicki, 1837

 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."