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sharp-clawed runner
Atrociraptor
Say it like this: “Ah-TROSS-ee-rap-tor”
Atrociraptor marshalli
Atrociraptor ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Canada.
- When
- Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago
- Named in
- 2004 · Currie, P. J.; Varricchio, D. J.
- Hip height
- 0.6 m · 2 ft
- Length
- 1.8–2 m · 6–7 ft
- Weight
- 15 kg · 33 lb
- Found in
- Canada · Horseshoe Canyon
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Saurornitholestinae
The story in short
In 2004, P. J. Currie and D. J. Varricchio published the name Atrociraptor. The name means “savage robber.”
Fossils referred to Atrociraptor date to the Late Cretaceous (Campanian · Maastrichtian), roughly 83.6 to 66 million years ago. Finds come from Canada, including the Horseshoe Canyon Formation. It was a carnivore and walked on two legs.
Published estimates put Atrociraptor at a length near 1.8–2 m, hips about 0.6 m high, and a body mass around 15 kg.
On the family tree it sits in Saurornitholestinae, among the theropod dinosaurs.