Wick, S.L.; Lehman, T.M. (2013). “A new ceratopsian dinosaur from the Javelina Formation (Maastrichtian) of West Texas and implications for chasmosaurine phylogeny”. 《Naturwissenschaften》 100 (2013): 667–682. doi:10.1007/s00114-013-1063-0.
Dodson, P. (2013). “Ceratopsia increase: history and trends”. Canadian Journal of Earth Sciences50 (2013): 294–305. doi:10.1139/cjes-2012-0085.
Naish, D. (2013). “New perspectives on horned dinosaurs: the Royal
Tyrrell Museum Ceratopsian Symposium”. Historical Biology:An International Journal of Paleobiology25 (1): 121–124. doi:10.1080/08912963.2012.688589.|title=에 라인 피드 문자가 있음(위치 48) (도움말)
Sullivan, R.M. & Lucas, S.G. (2006). “The Kirtlandian Land-Vertebrate "Age"-Faunal Composition, Temporal Position, and Biostratigraphic Correlation in the Nonmarine Upper Cretaceous of Western North America”. Lucas, S.G. & Sullivan, R.M. Late Cretaceous vertebrates from the Western Interior(PDF)35. New Mexico Museum of Natural History and Science Bulletin. 7–23쪽. 2009년 1월 5일에 원본 문서(PDF)에서 보존된 문서. 2015년 5월 8일에 확인함.
Sullivan, R.M. & Lucas, S.G. (2006). “The Kirtlandian Land-Vertebrate "Age"-Faunal Composition, Temporal Position, and Biostratigraphic Correlation in the Nonmarine Upper Cretaceous of Western North America”. Lucas, S.G. & Sullivan, R.M. Late Cretaceous vertebrates from the Western Interior(PDF)35. New Mexico Museum of Natural History and Science Bulletin. 7–23쪽. 2009년 1월 5일에 원본 문서(PDF)에서 보존된 문서. 2015년 5월 8일에 확인함.