Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio nanus nominal species Unio heldii Küster, 1854
Küster, 1854, Conchyl. Cab. 9(2): 111, pl. 30, fig. 5-7.
= Unio nanus Taxonomic Opinions
+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024
+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016
+ Unio crassus cytherea Küster, 1833 — Haas, 1969
+ Unio crassus cytherea Küster, 1833 — Haas, 1940
+ Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1914
= Unio heldii Küster — Kobelt & Haas, 1910
+ Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1900
= Unio heldii Küster, 1848 — Westerlund, 1890
= Unio heldii Küster — Drouët, 1881
= Unio heldii Küst. — Drouët, 1881
= Unio heldii Küster — Küster, 1854
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