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Tyrannosaurinae


Fossil Record: Late Cretaceous, 77-65.5 million years ago

Feathered T. rex

Mother and child tyrannosaurine, Tyrannosaurus

Biologic Classification

Superorder: Dinosauria
Order: Saurischia
Suborder: Theropoda
Unranked: Tyrannoraptora
Superfamily: Tyrannosauroidea
Family: Tyrannosauridae
Subfamily: Tyrannosaurinae

Tyrannosaurinae is a subfamily of tyrannosaurid dinosaurs consisting of the species, Daspletosaurus torosus, Tyrannosaurus rex, T. bataar, Alioramus remotus and A. altai. These animals grew anywhere from 20-feet-long and one short ton (Alioramus) to 45-feet-long and 6 short tons (Tyrannosaurus).