Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio batavus var. radiata Germain, 1904
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 crassus Taxonomic Opinions
= Unio (Batavusiana) batavus radiata — Germain, 1904
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