Authors Year Title
Popov 1975 Ammonoidea (Ammonoidei). In: Paleontologicheskii Atlas kamennougol'nykh otlozhenii Urala. [In Russian].
Trudy VNIGRI 383: 111-130, pls.35-44, Leningrad (Nedra).
Ruzhencev 1966 Vizeyskie ammonoidei na Yuzhnom Urale.
Paleontologicheskiy Zhurnal, 1966 (1): 47-59, fig.1-6, pl.5; Moskva.