Branson, E.B. (1906)
Fish remains from the Salem Limestone of Indiana. In Cumings E. R., Branson E. B., Beede, J. W. and Smith, E. A. (Eds.), The fauna of the Salem Limestone of Indiana. Rep. Indiana Dept. Geol. Natur. Resources, 30: 1376–1394
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.