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nominal species Unio consentaneus dilatatus Kobelt & Haas, 1910

Unio consentaneus dilatatus Kobelt & Haas, 1910 = Unio nanus

(homonym of Unio (Eurynia) dilatata Rafinesque, 1820)
Kobelt & Haas, 1910. Icon. Land- und Süssw.-Moll. 17: 18, pl. 453, figs. 2447-2448; 23, pl. 457, fig. 2472.
LECTOTYPE SMF 10904, Lake Thun, Switzerland.

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Nagel, 2025: 104, fig. 37.

lectotype SMF 10904/1 (by Zilch, 1967: 63) — Switzerland, “Thuner See” (subsequently “Zuger See,” an error?) [Lake Thun, 46°41’N 007°43’E] (coll. W. Kobelt ex P. Godet)

paralectotype SMF 10905/1

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024: suppl. append. 2, p. 21.

+ Unio crassus cytherea Küster — Haas, 1969: 47.

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

= Unio consentaneus dilatatus — Kobelt & Haas, 1910: 18, 23, pl. 453, figs. 2447-2448; pl. 457, fig. 2472.