Bivalvia | ... | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia ambigua

nominal species Unio ambiguus G.B. Sowerby, 1821

Unio ambiguus G.B. Sowerby, 1821 = Castalia ambigua

‘Lamarck’ G.B. Sowerby, 1821. Genera of Shells 2: pl. 85, fig. 2.
(reference to Castalia ambigua Lamarck, 1819)

Taxonomic Opinions

+ Tetraplodon ambiguus Lamarck — Haas, 1916: 7.

= Tetraplodon ambiguus (Sowerby, 1823) — Simpson, 1914: 1195.

= Tetraplodon ambiguus (‘Lamarck’ Sowerby,1823) — Simpson, 1900: 864.

+ Margaron (Prisodon) truncatus (Schum.) — Lea, 1870: 27.

+ Margaron (Prisodon) truncatus (Schum.) — Lea, 1852: 18.

+ Margarita (Unio) ambiguus Lea — Lea, 1838: 14.