Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio sinuolata Küster, 1833
Küster, 1833, Icones Moll. Test. Abthl. 2: pl. 5, fig. 5.
= Unio crassus Taxonomic Opinions
+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016
+ Unio crassus cytherea Küster, 1833 — Haas, 1969
+ Unio crassus cytherea Küster, 1833 — Haas, 1940
+ Unio cytherea cytherea Küster, 1833 — Haas, 1913
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