Table 7 in Taxonomic Status of Nanotyrannus lancensis (Dinosauria: Tyrannosauroidea) - A Distinct Taxon of Small-Bodied Tyrannosaur

Table 7. Characters reported by Carr [9] as supporting referral of Nanotyrannus to Tyrannosaurus and assessment made here.
CharacterAssessment(1) Nasal processes of the premaxillae tightly appressed throughout their entire lengthNot diagnostic of Tyrannosaurus; present in Tarbosaurus, Bistahieversor, Daspletosaurus(2) Restricted exposure of the jugalNot diagnostic of Tyrannosaurus; present inwithin the antorbital fenestraGorgosaurus libratus