Nielsen, E. (1932)
Permo-Carboniferous Fishes from East Greenland. Meddelelser om Grønland, 86(3), 1–63

Branson, C.C. (1934)
Permian sharks of Wyoming and of east Greenland. Science, 79(2054), 431
DOI: 10.1126/science.79.2054.431

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.

Schnetz, L. & Dunne, E.M. & Feichtinger, I. & Butler, R.J. & Coates, M.I. & Sansom, I.J. (2024)
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1