Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio nanus
Clessin, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 66.
(homonym of Unio elongata Lamarck, 1819; intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)
+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024
+ Unio crassus cytherea Küster, 1833 — Haas, 1969
+ Unio crassus cytherea Küster, 1833 — Haas, 1940
= Unio consentaneus elongatus Clessin — Kobelt & Haas, 1910