Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio nanus

nominal species Unio batavus distinguendus C. Boettger, 1912

Unio batavus distinguendus C. Boettger, 1912 = Unio nanus

(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)
C. Boettger, 1912. Arch. Naturg. 78: 305, pl. 1, fig. 7.
LECTOTYPE SMF 15582 (by Zilch, 1967: 55), Prims River, near Primsweiler, Germany.

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Nagel, 2025: 104, fig. 38.

lectotype SMF 15582/1 (by Zilch, 1967: 55) — “Prims bei Primsweiler” [49°25’N 006°51’E] (ex Naturhistorischer Verein Bonn)

paralectotypes SMF 373161/6, 3v (ex SMF 15582)

paralectotypes SMF 15580/4

paralectotypes SMF 15482/2, 25v — “Saar” (ex J. Kurz 1912)

paralectotypes SMF 15483/2, 2v — “Saar” (ex O. le Roi 1912)

paralectotype SMF 15484/1 — “Blies” (ex F. Rolle 1886)

paralectotypes SMF 15485/2 — “Osterbach”

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024: suppl. append. 2, p. 22.

+ Unio crassus batavus Maton & Rackett — Haas, 1969: 51.

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940: 131.