	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