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

nominal species Unio bitortus Monterosato, 1896

Unio bitortus Monterosato, 1896 = Unio mancus

Monterosato, 1896. Naturalista Siciliano 15: 12, text fig.
‘Monterosato mss.’ Kobelt, 1912. Icon. Land- und Süssw.-Moll. 18: 37, pl. 499, fig. 2642 [as ‘bitortis’].
SYNTYPE SMF 10726, Torto River, Italy.

Taxonomic Opinions

+ Unio mancus Lamarck, 1819 — Nagel, 2025: 95, fig. 18.

syntype SMF 10726/1 — Italy, “fiume Torto” [mouth: 37°58.3’N 013°46.2’E] (coll. W. Kobelt ex T. Monterosato)

+ Unio elongatulus gargottae Philippi — Haas, 1969: 39.

+ Unio elongatulus gargottae Philippi, 1836 — Haas, 1940: 127.