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Data last updated
Thu 1 January 2026
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Bivalvia
| ... | Unionoidea
| Unionidae
| Unioninae
| Unionini
| Unio crassus
nominal species Unio acutus Rossmässler, 1837
Unio acutus Rossmässler, 1837 = Unio crassus
Rossmässler, 1837. Icon. Land- und Süssw.-Moll. 1 (5-6): 56, pl 29, fig. 413 [as ‘Unio an n. sp.?’]. [nomen nudum]
= Unio crassus Taxonomic Opinions+ Unio (sec. Hyridella) crassus Retzius, 1788 — Paetel, 1890 = Unio crassus var. acutus Rossm. — Westerlund, 1890 + Unio batavus var. crassus Retz. — Clessin, 1877
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