Authors Year Title
Nikolaeva, Kulagina & Gorozhanina 2015 Carboniferous ammonoids of the Zilair Synclinorium (South Urals)
Sovremennye problemy izycheniya golovonogikh mollyskov. Morfologiya, sistematika, evolyutsiya, ekologiya i biostratigrafiya, Paleontologicheskii Institute, Moscow, pp. 75-77
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.