Thomas D. Carr, Thomas E. Williamson, Brooks B. Britt, Ken Stadtman: Evidence for high taxonomic and morphologic tyrannosauroid diversity in the Late Cretaceous (Late Campanian) of the American Southwest and a new short-skulled tyrannosaurid from the Kaiparowits formation of Utah. In: Naturwissenschaften. Bd. 98, Nr. 3, 2011, S. 241–246, doi:10.1007/s00114-011-0762-7, PMID 21253683.
Mark A. Loewen, Randall B. Irmis, Joseph J. W. Sertich, Philip J. Currie, Scott D. Sampson: Tyrant Dinosaur Evolution Tracks the Rise and Fall of Late Cretaceous Oceans. In: PLoS ONE. Bd. 8, Nr. 11, 2013, e79420, doi:10.1371/journal.pone.0079420.
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Thomas D. Carr, Thomas E. Williamson, Brooks B. Britt, Ken Stadtman: Evidence for high taxonomic and morphologic tyrannosauroid diversity in the Late Cretaceous (Late Campanian) of the American Southwest and a new short-skulled tyrannosaurid from the Kaiparowits formation of Utah. In: Naturwissenschaften. Bd. 98, Nr. 3, 2011, S. 241–246, doi:10.1007/s00114-011-0762-7, PMID 21253683.
