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Original drawing of Gorgosaurus

sharp-clawed runner

Gorgosaurus

Say it like this: “GOR-guh-SOR-uhs”

Gorgosaurus libratus

Gorgosaurus ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Canada.

When
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Named in
1914 · Lambe, L. M.
Hip height
Not established
Length
8–9 m · 26–30 ft
Weight
2–3 tonnes
Found in
Canada · Dinosaur Park
Food and walking
Carnivore · Two legs
Kind
sharp-clawed runner · Theropod
Family branch
Albertosaurinae

The story in short

The genus Gorgosaurus dates to 1914, the year L. M. Lambe described it. The name means “dreadful lizard.”

It lived in the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Canada, including the Dinosaur Park Formation. It was a carnivore and walked on two legs.

Published estimates put Gorgosaurus at a length near 8–9 m and a body mass around 2–3 tonnes.

On the family tree it sits in Albertosaurinae, among the theropod dinosaurs.

Close relatives