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sharp-clawed runner · Disputed
Stygivenator
Stygivenator molnari
Stygivenator ate meat and moved in a way the fossils do not settle. 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
- 1995 · Olshevsky, G.; Ford, T. L.; Yamamoto, S.
- Hip height
- Not established
- Length
- Not established
- Weight
- Not established
- Found in
- the United States · Hell Creek
- Food and walking
- Carnivore · Not recorded
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Eutyrannosauria
The story in short
Stygivenator was formally named in 1995 by G. Olshevsky and colleagues.
It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from the United States, including the Hell Creek Formation. It was a carnivore. A habitual gait is not settled.
The fossils of Stygivenator are too incomplete for a responsible length, hip height, or weight, so those fields are left blank on purpose.
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
Dryptosaurus
Dryptosaurus aquilunguis
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago