Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio batavus Nilsson, 1822
‘Lamarck’ Nilsson, 1822, Hist. Moll. Svec.: 112.
(reference to Mya batava Maton & Rackett, 1807)
= Unio crassus Taxonomic Opinions
= Unio batavus Nilss. — Zittel, 1881
+ Unio batavus Lamarck — Clessin, 1877
+ Unio batava Lamarck — Malzine, 1867
+ Unio steveniana m. — Krynicki, 1837
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