Reference: R.M. Sullivan, 2000. New Mexico Museum of Natural History and Science Bulletin 17

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Sullivan, R.M. 2000. Prenocephale edmontonensis (Brown and Schlaikjer) new comb. and P. brevis (Lambe) new comb. (Dinosauria: Ornithischia: Pachycephalosauria) from the Upper Cretaceous of North America. . New Mexico Museum of Natural History and Science Bulletin 17: 177-190.