Authors Year Title
Astachova 1983 Goniatity. In: Aisenverg,D.E. et al.
Akademia Nauk Ukrainskoi SSR, Institut Geologicheskikh Nauk, p.115-123, pls.66-71.
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.