N. R. Longrich. 2011. Titanoceratops ouranos, a giant horned dinosaur from the late Campanian of New Mexico. Cretaceous Research 32:264-276
DOI ↗
S. G. Lucas, R. M. Sullivan, and A. P. Hunt. 2006. Re-evaluation of Pentaceratops and Chasmosaurus (Ornithischia: Ceratopsidae) in the Upper Cretaceous of the Western Interior. Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:367-370
C. V. Barns. 2000. Paleontological excavations in designated wilderness: theory and practice. USDA Forest Service Proceedings RMRS P-15 3:155-159
T. M. Lehman. 1993. New data on the ceratopsian dinosaur Pentaceratops sternbergii Osborn from New Mexico. Journal of Paleontology 67(2):279-288
DOI ↗
C. Wiman. 1930. Über Ceratopsia aus der Oberen Kreide in New Mexico [On Ceratopsia from the Upper Cretaceous in New Mexico]. Nova Acta Regiae Societatis Scientiarum Upsaliensis, Series 4 7(2):1-19
H. F. Osborn. 1923. A new genus and species of Ceratopsia from New Mexico, Pentaceratops sternbergii. American Museum Novitates 93:1-3