Case, G.R. (1978)
A new selachian fauna from the Judith River Formation (Campanian) of Montana. Palaeontographica, Abt. A, 160(1–6), 176–205
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
Cappetta, H. & Case, G.R. (1999)
Additions aux faunes de sélaciens du Crétacé du Texas (Albien supérieur-Campanien). Palaeo Ichthyologica, 9, 5–111
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
Begat, A. & Kriwet, J. & Gelfo, J.N. & Cavalli, S.G. & Schultz, J.A. & Martin, T. (2023)
The first southern hemisphere occurrence of the extinct Cretaceous sclerorhynchoid sawfish Ptychotrygon (Chondrichthyes, Batoidea), with a review of Ptychotrygon taxonomy. Journal of Vertebrate Paleontology, 42(2), Article e2162411
DOI: 10.1080/02724634.2022.2162411
Guinot, G. & Condamine, F.L. (2023)
Global impact and selectivity of the Cretaceous-Paleogene mass extinction among sharks, skates, and rays. Science, 379, 802–806
DOI: 10.1126/science.abn2080