Authors Year Title
Andrianov 1966 Verkhnepaleozoiskie otlozhenia zapadnogo Verkhoiania (Tompo-etchiskoe mezhdurechie).
1-131, 28 text-figs., 3 pls., Moskva (Nauka).
Popov 1960 Verkhnekamennougol'nye ammonoidei Orulganskogo Khrebta.
Trudy Nauchno-Issl. Inst. Geol. Arktiki, Minist. Geol. SSSR, 1960: 82-92, fig.1-2, pl.1; Leningrad.
Popov 1970 Ammonoidei. In: Stratigrafiya kamennougol'nykh i permskikh otlozhenii Severnogo Verkhoyan'ya.
Trudy Nauchno-issledovatel'skogo instituta Geologii Arktiki,  1970: 113-140, fig.5-27, pl.13-19; Leningrad.
Ruzhencev 1960 Interesnye nakhodki kamennougol'nykh ammonoidei.
Paleontologicheskii Zhurnal, 1960 (4): 142-143.