	Authors	Year	Title
	Librovitch	1941	Otryad Ammonoidea. In: Atlas rukovodyashchikh form iskopaemykh faun SSSR, t. IV. Nizhniy otdel kamennougol'noy sistemy. Gosgeolizdat: 137-153, fig.13-43, pl.34-40; Moskva-Leningrad.
	Popov	1979	Kamennougol'nye ammonoidei Donbassa i ikh stratigraficheskoe znachenie. Vsesoyuznyi ordena Lenina nauchno-issledovatel'skii geologicheskii institut, Trudy, novaia seriya, 220: 1-106, figs. 1-10, pl.1-12, Leningrad.