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Data last updated
Thu 18 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Unioninae
| Unionini
| Unio gontierii
nominal species Unio crassus var. stepanovi Zhadin, 1938
Unio crassus var. stepanovi Zhadin, 1938 = Unio gontierii
‘Drouët’ Zhadin, 1938. Faune USSR Mollusques 4(1): 90. (error for Unio stepanoffi Drouët, 1881)
= Unio gontierii Taxonomic Opinions
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