Allosaurus vs. Tyrannosaurus

Allosaurusnoun

A large, carnivorous dinosaur, of genus Allosaurus, that lived in the Jurassic period.

Allosaurusnoun

late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus

Allosaurus

Allosaurus () is a genus of large carnosaurian theropod dinosaur that lived 155 to 145 million years ago during the Late Jurassic epoch (Kimmeridgian to late Tithonian). The name means alluding to its unique (at the time of its discovery) concave vertebrae.

Tyrannosaurusnoun

A large carnivorous dinosaur, of the genus Tyrannosaurus, found in North America during the late Cretaceous period.

Tyrannosaurusnoun

large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America

Tyrannosaurus

Tyrannosaurus is a genus of tyrannosaurid theropod dinosaur. The species Tyrannosaurus rex (rex meaning in Latin), often called T. rex or colloquially T-Rex, is one of the best represented of these large theropods.