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Data last updated
Thu 18 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Unioninae
| Unionini
| Unio crassus
nominal species Unio crassus Nilsson, 1822
Unio crassus Nilsson, 1822 = Unio crassus
‘Retzius’ Nilsson, 1822. Hist. Moll. Svec.: 108. (reference to Unio crassus Philipsson in Retzius, 1788)
= Unio crassus Taxonomic Opinions+ Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1914 + Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1900 + Unio batavus var. crassus Retz. — Clessin, 1877 + Margaron (Unio) crassus (Retz.) — Lea, 1870 + Unio (Lymnium) crassus — Drouët, 1857 + Unio crassus Retz. — Küster, 1854 + Margaron (Unio) litoralis [sic] (Drap.) — Lea, 1852 + Margarita (Unio) litoralis [sic] Lam. Pfeif. Des Moul. Grat. — Lea, 1838
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