ETHERIDGE, R. (1875)
On some undescribed Carboniferous fossils. Geological Magazine, decade 2, 2: 241–245
WOODWARD, A.S. (1889)
Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.
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.