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nominal species Unio phaseolus Kobelt, 1878

Unio phaseolus Kobelt, 1878 = Unio nanus

(homonym of Unio phaseolus Hildreth, 1828)
‘Held’ Kobelt, 1878. Icon. Land- und Süssw.-Moll. 6: 44, pl. 163, fig. 1649.
LECTOTYPE SMF 10859 (by Zilch, 1967: 64), tributary of the Inn River, near Passau, Germany.

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Nagel, 2025: 135, fig. 104.

lectotype SMF 10859/1 (by Zilch, 1967: 64) — Germany, “in einem Arm des Inn bei Passau” [in a branch of the river Inn near Passau] (coll. W. Kobelt ex S. Clessin, leg. F. Held)

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024: suppl. append. 2, p. 17.

+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016: 25.

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

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

- OMITTED — Simpson, 1914.

+ Unio heldii Küster — Kobelt & Haas, 1910: 25.

= Unio (sec. Hyridella) batavus vr. phaseolus Held in Kobelt, 1879 — Paetel, 1890: 145.

+ Unio heldii Küster, 1848 — Westerlund, 1890: 80.

+ Unio heldii Küst. — Drouët, 1881: 13.

= Unio phaseolus Held — Kobelt, 1878: 44, pl. 163, fig. 1649.

+ Unio batavus var. crassus Retz. — Clessin, 1877: 468.

+ Unio heldii Küster — Küster, 1854: 111.