Vavrek, M. J.; Murray, A. M.; Bell, P. R. Xiphactinus Audax Leidy 1870 from the Puskwaskau Formation (Santonian to Campanian) of Northwestern Alberta, Canada and the Distribution of Xiphactinus in North America. Vert. Anat. Morph. Palaeo. 2016, 1, 89-100.