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nominal species Unio batavus var. elongatus Held, 1837

Unio batavus var. elongatus Held, 1837 = Unio nanus

Held, 1837. Isis (Oken) 1837 (4): 306.
(homonym of Unio elongata Lamarck, 1819; intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024: suppl. append. 2, p. 15.

+ Unio crassus cytherea Küster, 1833 — Haas, 1969: 46.

+ Unio crassus cytherea Küster, 1833 — Haas, 1940: 130.