CASE, G.R. (1987)
A new selachian fauna from the Late Campanian of Wyoming (Teapot Sandstone Member, Mesaverde Formation, Big Horn Basin). Palaeontographica, Abt. A, 197 (1–3): 1–37, 12 fig., 15 pl., 3 tabl.
BEAVAN, N.R. & RUSSELL, A.P. (1999)
An elasmobranch assemblage from the terrestrial-marine transitional Lethbridge Coal Zone (Dinosaur Park Formation: Upper Campanian), Alberta, Canada. Journal of Paleontology, 73 (3): 494–503
BRINKMAN, D.B. & BRAMAN, D.R. & NEUMAN, A.G. & RALRICK, P.E. & SATO, T. (2005)
A Vertebrate Assemblage from the Marine Shales of the Lethbridge Coal Zone. In P. J. Currie and E. B. Koppelhus (eds.) Dinosaur Provincial Park, A spectacular ancient ecosystem revealed. Indiana University Press, Bloomington and Indianapolis, Indiana: 486–500