Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio batavus kobeltianus Haas, 1913
Haas, 1913, Nachr. Bl. Dtsch. Malak. Ges. 45: 105.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)
= Unio crassus Taxonomic Opinions
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940
= Unio batavus kobeltianus n. subsp. — Haas, 1913
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