SIVERSON, M. (1993)
Maastrichtian Squaloid Sharks from Southern Sweden. Palaeontology, 36 (1): 1–19, 4 pl.
KRIWET, J. & KLUG, S. (2009)
Fossil record and origin of squaliform sharks (Chondrichthyes, Neoselachii). In: Gallucci, V.F. & McFarlane, G.A. & Bargmann, G.G. (eds). Biology and management of dogfish sharks. American Fisheries Society. Bethesda, Maryland: 19–38
HOGANSON, J.W. & ERICKSON, M. & HOLLAND, F.D. (2019)
Chondrichthyan and Osteichthyan Paleofaunas from the Cretaceous (Late Maastrichtian) Fox Hills Formation of North Dakota, USA: Paleoecology, Paleogeography, and Extinction. Bulletins of American Paleontology, 398: 1-94