Authors	Year	Title
Bogoslovskaya	1986	Ammonoidei. In: Atlas kharakternykh kompleksov Permskoi fauny i flory Urala i Russkoi platformy. Trudy, novaia seria, 331: 14-15, pl.37-59, (Nedra) Leningrad.
Ruzhencev	1949	Sistematika i evolyutsia semeystv Pronoritidae Frech i Medlicottiidae Karpinsky. Trudy Palentologicheskogo Instituta Akademiya Nauk SSSR, 19: 1-206, fig.1-88, pl.1-17; Moskva.
Ruzhencev	1956	Nizhnepermskiye ammonity Yuzhnogo Urala. II. Ammonity Artinskogo yarusa. Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 60: 1-275, fig.1-97, pl.1-39; Moskva.