Authors Year Title
Kuzina 1980 Saurskie ammonoidei.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 181: p.1-108, fig.1-29, pl.1-9; Moskva.
Shimanskiy & Kuzina 1977 Rannekamennougol'nye golovonogie pripolyatnogo Urala.
Byulleten' Mosk. Obshchestva Isp. Pripody, Otd. Geologii, 52 (6): 79-90, fig.1-2, pl.1,2; Moskva.