SIVERSON, M. (1992)
Biology, Dental Morphology and Taxonomy of Lamniform Sharks from the Campanian of the Kristianstad Basin, Sweden. Palaeontology, 35 (3): 519–554, 5 pl.
PENG, J. (1997)
Palaeoecology Of Vertebrate Assemblages From The Upper Cretaceous Judith River Group (Campanian) Of Southeastern Alberta, Canada. unpublished thesis, University of Calgary
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