Species Classification: ‭ ‬Tyrannosauria

Tyrannosaurus

tyrannosaurus illustration

Tyrannosaurus: Research Database Tyrannosauridae · Late Cretaceous (~68-66 MYA) · Western North America — Hell Creek Formation Research Note: Tyrannosaurus is the most famous dinosaur and one of the most thoroughly studied. Known from dozens of specimens ranging from juveniles to adults, it dominated the latest Cretaceous of North America as an apex predator. Research … Read more

Daspletosaurus

daspletosaurus

Daspletosaurus: Research Database Tyrannosauridae (Theropoda) · Late Cretaceous (~77–74 MYA) · North America — Canada, Alberta; USA, Montana (Horseshoe Canyon, Two Medicine Formations)   Research Note: Daspletosaurus was a large tyrannosaurid theropod from the Late Cretaceous of western North America, living just before Tyrannosaurus rex appeared. As one of the more robust tyrannosaurids — with … Read more

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