| 
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.	 
 |