original description
(of Crassiana angarensis Popova, 1981 †) Popova, S.M. (1981). Kaynozoyskaya kontinental'naya malakofauna yuga Sibiri i sopredel'nykh territoriy [The Cenozoic continental malacofauna of Southern Siberia and adjacent territories]. Nauka, Moskva, 188 pp.
page(s): 93, pl. 28, fig. 5, pl. 29, figs 1, 2 [details] Available for editors [request]
From editor or global species database
New combination Combination established herein, for consistency with genus level synonymy. [details]