	Authors	Year	Title
	Glenister & Furnish	1988	Patterns in stratigraphic distribution of Popanocerataceae, Permian ammonoids. Senckenbergiana lethaea, 69: 43-71, 10 text-figs., 4 pls., 2 tabl., Frankfurt.
	Ruzhencev	1960	Novyi rod semeistva Popanoceratidae. Paleontologicheskii Zhurnal 1960 (2): 110-113, 2 figs., Moskva.