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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Unioninae
| Unionini
| Unio gontierii
nominal species Unio stevenianus Drouët, 1881
= 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
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