ITANO, W.M. & HOUCK, K.J. & LOCKLEY, M.G. (2000)
Chondrichthyans from the pennsylvanian Minturn Formation of Colorado. Abstract. Abstr. 9th Internatl. Symp. Early Vertebrates/Lower Vertebrates, Flagstaff, Arizona, USA, May 2000, p. 11.
GINTER, M. & HAMPE, O. & DUFFIN, C.J. (2010)
Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.