Authors Year Title
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.
Sobolev, Budnikov & Klets 1998 Pozdnebashkirskie ammonoidei i nautiloidei zapadnogo Verkhoian'ia. E.S.Sobolev, I.V.Budnikov, A.G.Klets & V.S.Grinenko: [Late Bashkirian Ammonoids and Nautiloids from the Western Verkhoyansk Region].
Paleontologicheskii Zhurnal, 1998 (5): 13-25, 6 figs., pl.2-3, Moskva.