Maisey, J.G. (1981)
Studies on the Paleozoic selachian genus Ctenacanthus Agassiz. No. 1, Historical review and revised diagnosis of Ctenacanthus, with a list of referred taxa. American Museum Novitates, 2718, 1–22

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