Authors	Year	Title
Borissenkov	2004	New dates for the Upper Carboniferous (Pennsylvanian) genus Neodimorphoceras (Ammonoidea). Sixth International Symposium Cephalopods - Present & Past, Fayetteville 2004, Abstracts: 27-28, 1 fig.
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	1950	Verkhnekamennougol'nye ammonity Urala. Trudy Paleont. Inst., Akad. Nauk SSSR, 29: 1-220, fig.1-84, pl.1-15; Moskva.