Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio nanus nominal species Unio nigricans Fitzinger, 1833
Fitzinger, 1833, Syst, Verz. Österr. Weichth.: 119. [nomen nudum]
= Unio nanus Taxonomic Opinions
+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024
+ Unio crassus cytherea Küster, 1833 — Haas, 1969
+ Unio crassus cytherea Küster, 1833 — Haas, 1940
- NO OPINION — Lea, 1870
- NO OPINION — Lea, 1852
= Unio nigricans Fitzinger, 1833 — Zelebor, 1851
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