Wick, S.L.; Lehman, T.M. (2013). “A new ceratopsian dinosaur from the Javelina Formation (Maastrichtian) of West Texas and implications for chasmosaurine phylogeny”. Naturwissenschaften100 (2013): 667–682. doi:10.1007/s00114-013-1063-0. PMID23728202.
jstor.org
Lehman, Thomas M. (1998). “A Gigantic Skull and Skeleton of the Horned Dinosaur Pentaceratops sternbergi from New Mexico”. Journal of Paleontology72 (5). JSTOR1306666.
nih.gov
pubmed.ncbi.nlm.nih.gov
Wick, S.L.; Lehman, T.M. (2013). “A new ceratopsian dinosaur from the Javelina Formation (Maastrichtian) of West Texas and implications for chasmosaurine phylogeny”. Naturwissenschaften100 (2013): 667–682. doi:10.1007/s00114-013-1063-0. PMID23728202.