Authors	Year	Title
Popov	1975	Ammonoidea (Ammonoidei). In: Paleontologicheskii Atlas kamennougol'nykh otlozhenii Urala. [In Russian]. Trudy VNIGRI 383: 111-130, pls.35-44, Leningrad (Nedra).
Ruzhencev & Bogoslovskaya	1971b	O semeistve Homoceratidae. Paleontologicheskiy Zhurnal, 1971 (4): 17-34, fig.1-12, pl.3-4; Moskva.
Ruzhencev & Bogoslovskaya	1978	Namyurskiy etap v evolyutsii ammonodey. Pozdnenamyurskiye ammonoidei. Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 167: 1-336, fig.1-108, pl.1-44; Moskva.