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nominal species Unio nigricans Fitzinger, 1833

Unio nigricans Fitzinger, 1833 = Unio nanus

Fitzinger, 1833. Syst, Verz. Österr. Weichth.: 119. [nomen nudum]

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024: suppl. append. 2, p. 14.

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

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

+ — Lea, 1870: 63.

+ — Lea, 1852: 40.

= Unio nigricans Fitzinger, 1833 — Zelebor, 1851: 231, sp. 14.