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nominal species Unio hassiae Haas, 1908

Unio hassiae Haas, 1908 = Unio nanus

Haas, 1908. Nachr. Bl. Dtsch. Malak. Ges. 40: 175.

= Unio nanus

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940

= Unio batavus hassiae Haas, 1908 — Kobelt & Haas, 1910