Authors Year Title
Andrianov 1985 Permskie i nekotorye kamennougol'nye ammonoidei Severo-Vostoka Azii.
Novosibirsk Izdatel'stvo Nauka, Sibirskoe Otdelenie, 1985: 1-180, fig.1-54, pl.A,B,1-21; Novosibirsk.
Popov 1958b Permskie ammonoidei Severo-Vostoka SSSR.
Materialy Geologii i Poleznym Iskopaemym Severo-Vostoka SSSR, 198 (13): 144-149, fig.1, 1 tab., 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.