Becker, M.A. & Chamberlain, J.A. & Wolf, G.E. (2006)
Chondrichthyans from the Arkadelphia Formation (Upper Cretaceous: upper Maastrichtian) of Hot Spring County, Arkansas. Journal of Paleontology, 80(4), 700–716
DOI: 10.1666/0022-3360(2006)80[700:CFTAFU]2.0.CO;2