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nominal species Unio batavus var. ondovensis Hazay, 1885

Unio batavus var. ondovensis Hazay, 1885 = Unio nanus

Hazay, 1885. Jb. Dtsch. Malak. Ges. 12: 43.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)

= Unio nanus

Taxonomic Opinions

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

+ Unio crassus cytherea Kuster, 1833 — Lopes-Lima et al., 2017

= Unio (Crassiana) crassus ondovensis Hazay, 1885 — Falkner et al., 2001

+ Unio crassus cytherea Küster, 1833 — Haas, 1969

+ Unio crassus cytherea Küster, 1833 — Haas, 1940

+ — Simpson, 1914

= Unio batavus var. ondovensis Haz., 1885 — Westerlund, 1890

= Unio ondovensis Hazay, 1885 — Kobelt, 1890