Loewen (2013. szeptember 11.). „Tyrant Dinosaur Evolution Tracks the Rise and Fall of Late Cretaceous Oceans”. PLOS ONE8 (11), e79420. o. DOI:10.1371/journal.pone.0079420. PMID24223179.
Carr (2011. szeptember 11.). „Evidence for high taxonomic and morphologic tyrannosaurid diversity in the Late Cretaceous (Late Campanian) of the American Southwest and a new short-skulled tyrannosaurid from the Kaiparowits formation of Utah”. Naturwissenschaften98 (3), 241–246. o. DOI:10.1007/s00114-011-0762-7. PMID21253683.
Roberts (2005. szeptember 11.). „^40Ar/^30Ar Age of the Kaiparowits Formation, southern Utah, and correlation of contemporaneous Campanian strata and vertebrate faunas along the margin of the Western Interior Basin”. Cretaceous Research26 (2), 307–318. o. DOI:10.1016/j.cretres.2005.01.002.
Zanno (2005. szeptember 11.). „A new oviraptorosaur (Theropoda; Maniraptora) from the Late Cretaceous (Campanian) of Utah”. Journal of Vertebrate Paleontology25 (4), 897–904. o. DOI:[0897:ANOTMF2.0.CO;2 10.1671/0272-4634(2005)025[0897:ANOTMF]2.0.CO;2].
nih.gov
pubmed.ncbi.nlm.nih.gov
Loewen (2013. szeptember 11.). „Tyrant Dinosaur Evolution Tracks the Rise and Fall of Late Cretaceous Oceans”. PLOS ONE8 (11), e79420. o. DOI:10.1371/journal.pone.0079420. PMID24223179.
Carr (2011. szeptember 11.). „Evidence for high taxonomic and morphologic tyrannosaurid diversity in the Late Cretaceous (Late Campanian) of the American Southwest and a new short-skulled tyrannosaurid from the Kaiparowits formation of Utah”. Naturwissenschaften98 (3), 241–246. o. DOI:10.1007/s00114-011-0762-7. PMID21253683.
