Ward, D.J. & Wiest, R.L. (1990)
A checklist of Palaeocene and Eocene sharks and rays (Chondrichthyes) from the Pamunkey Group, Maryland and Virginia, USA. Tertiary Research, 12(2), 81–88

Cicimurri, D.J. & Knight, J.L. (2009)
Late Oligocene sharks and rays from the Chandler Bridge Formation, Dorchester County, South Carolina, USA. Acta Palaeontologica Polonica, 54(4), 627–647
DOI: 10.4202/app.2008.0077