Table 8.3. Comparison of Skull Characters
Skull Character Tyrannosaurus rex Tyrannosaurus " x " Tarbosaurus
Lateral lachrymal pneumatic foramina Small Very small Small
Maxillary tooth count 11 or 12 12 12 or 13
Dentary tooth count 13 or 14 14 or 15 15
Dentary incisor count 1 2 1
L3DT/L2DT DT3-L/DT2-L 1.0-1.1 1.3-1.5 1.2
persistent identifier: http://table.plazi.org/id/F1836612D47B2939FA0861E6F958F724
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Published as part of Peter Larson (2008). Variation and sexual dimorphism in Tyrannosaurus rex. In: Peter Larson, Kenneth Carpenter (Eds): Tyrannosaurus rex, the tyrant king. lndiana University Press: 102-128. DOI: 10.5281/zenodo.3942903 on page 7