Steven L. Wick i Thomas M. Lehman. A new ceratopsian dinosaur from the Javelina Formation (Maastrichtian) of West Texas and implications for chasmosaurine phylogeny. „Naturwissenschaften”. 100 (7), s. 667–682, 2013. DOI: 10.1007/s00114-013-1063-0. PMID: 23728202. (ang.).
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Steven L. Wick i Thomas M. Lehman. A new ceratopsian dinosaur from the Javelina Formation (Maastrichtian) of West Texas and implications for chasmosaurine phylogeny. „Naturwissenschaften”. 100 (7), s. 667–682, 2013. DOI: 10.1007/s00114-013-1063-0. PMID: 23728202. (ang.).