Look up · dinosaur 391 of 1,425
sharp-clawed runner
Dryptosaurus
Say it like this: “DRIP-toh-SOR-uhs”
Dryptosaurus aquilunguis
Dryptosaurus ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in the United States.
- When
- Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
- Named in
- 1877 · Marsh, O. C.
- Hip height
- 1.9 m · 6 ft
- Length
- 7.5 m · 25 ft
- Weight
- 0.8–1.5 tonnes
- Found in
- the United States · New Egypt
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Eutyrannosauria
The story in short
Dryptosaurus was formally named in 1877 by O. C. Marsh.
It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from the United States, including the New Egypt Formation. It was a carnivore and walked on two legs.
Published estimates put Dryptosaurus at a length near 7.5 m, hips about 1.9 m high, and a body mass around 0.8–1.5 tonnes.
On the family tree it sits in Eutyrannosauria, among the theropod dinosaurs.
Close relatives
Appalachiosaurus
Appalachiosaurus montgomeriensis
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Bistahieversor
Bistahieversor sealeyi
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Nanotyrannus
Nanotyrannus lancensis
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago