Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio mancus
Drouët, 1898. Mém. Acad. Sci. Dijon ??: 89.
(intro'd as intra-sp. of Unio rostrata Lamarck, 1819; homonym of Unio amplus Lea, 1872)
+ Unio tumidus var. maximus Mörch — Germain, 1931