Case, G.R. (1991)
A new species of chimaeroid fish from the Upper Paleocene (Thanetian) of Maryland, U.S.A. Palaeovertebrata, 21(1–2), 85–94

Case, G.R. (1996)
A new selachian fauna from the Lower Hornestown Formation (Early Paleocene/Montian) of Monmouth County, New Jersey. Palaeontographica, Abt. A, 242(1–3), 1–14

Cope, K.H. & Utgaard, J.E. & Masters, J.M. & Feldmann, R.M. (2005)
The fauna of the Clayton Formation (Paleocene, Danian) of southern Illinois: a case of K/P survivorship and Danian recovery. Bulletin of the Mizunami Fossil Museum, 32, 97–108

Cicimurri, D.J. & Ebersole, J.A. (2015)
Paleocene chimaeroid fishes (Chondrichthyes: Holocephali) from the eastern United States, including two new species of Callorhinchus. PaleoBios, 32(1), 1–29