Authors Year Title
Bogoslovskaya & Popov 1986 Ammonoidei na granitse karbona i permi. [In Russian: Ammonoids at the boundary  of Carboniferous and Permian.]
In: Papulov,G.N. [ed.], Pogranichnye otlozheniya karbona i permi Urala, Priural'ya i Srednei Azii. Biostratigrafiya i korrelyatsiya. 56-63, tab.2-3.
Bogoslovskaya 1986 Ammonoidei. In: Atlas kharakternykh kompleksov Permskoi fauny i flory Urala i Russkoi platformy.
Trudy, novaia seria, 331: 14-15, pl.37-59, (Nedra) Leningrad.
Chernov 1939 Otryad Ammonoidea. Ammonei.
Atlas rukovodyashchikh form iskopaemykh faun SSSR, 6, Permskaya sistema: 160-190, fig.39-103, pl.41-45; Leningrad, Moskva.
Maksimova 1938 O nekotorykh predstavitelyakh semeystva Pronoritidae.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 9 (1): 1-44, fig.1-12, pl.1; Moskva.
Maksimova 1948 Ammonity iz nizhnei chasti shvagerinovykh sloev reki Yurezani.
Trudy Paleontologicheskogo Instituta Akademiia Nauk SSSR, 14 (4): 1-42, fig.1-23, pl.1-4; Moskva.
Ruzhencev 1951 Nizhnepermskie ammonity yuzhnogo Urala. 1.Ammonity Sakmarskogo Yarusa.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 33: 1-186, fig.1-62, phot.1-8, pl.1-15; Moskva.