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nominal species Unio kochii Kobelt, 1886

Unio kochii Kobelt, 1886 = Unio nanus

Sandberger & Koch, 1851. Jb. Nassau. Ver. Naturk. 7: 245 [as ‘U. moquinianus’].
Kobelt, 1886. Jb. Nassau. Ver. Naturk. 39: 97, pl. 6, fig. 1.
Kobelt, 1886. Icon. Land- und Süssw.-Moll. 2: 46, pl. 56, figs. 295-296.
LECTOTYPE SMF 64744, Nister River, near Hachenburg, Germany.

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Nagel, 2025: 123, fig. 78.

lectotype SMF 64744/1v (by Zilch, 1967: 53) — Germany, “Nister bei Hachenburg” [50°39.5’N 007°49.5’E] (coll. W. Kobelt, leg. Stahl)

paralectotype SMF 10954/1

paralectotypes SMF 11016/2

paralectotypes SMF 17263/25, 1v

paralectotypes SMF 368980/18, 4v

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024: suppl. append. 2, p. 19.

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

+ Unio crassus crassus Retzius — Haas, 1969: 45.

+ Unio crassus crassus Retzius, 1788 — Haas, 1940: 129.

= Unio kochi Kobelt, 1886 — Westerlund, 1890: 63.

= Unio kochi Kobelt, 1886 — Kobelt, 1886: 46, pl. 56, figs. 295-296.