BECKER, M.A. & CHAMBERLAIN, J.A. & TERRY, D.O. (2004)
Chondrichthyans from the Fairpoint Member of the Fox Hills Formation (Maastrichtian), Meade County, South Dakota. Journal of Vertebrate Paleontology, 24 (4): 780–793
DOI: 10.1671/0272-4634(2004)024[0780:CFTFMO]2.0.CO;2