Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio crassus
Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 257 [19].
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807; homonym of Unio (Elliptio) viridis var. radiata Rafinesque, 1820)
= Unio (Batavusiana) batavus radiata — Germain, 1904: 257.