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sharp-clawed runner
Siats
Say it like this: “see-atch”
Siats meekerorum
Siats ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in the United States.
- When
- Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
- Named in
- 2013 · Zanno, L. E.; Makovicky, P. J.
- Hip height
- 2.4 m · 8 ft
- Length
- 11 m · 36 ft
- Weight
- 4 tonnes
- Found in
- the United States · Cedar Mountain
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Megaraptora
The story in short
Siats was formally named in 2013 by L. E. Zanno and P. J. Makovicky. The name honors a person tied to the fossil or its study.
Fossils referred to Siats date to the Late Cretaceous (Cenomanian), roughly 100.5 to 93.9 million years ago. Finds come from the United States, including the Cedar Mountain Formation. It was a carnivore and walked on two legs.
Published estimates put Siats at a length near 11 m, hips about 2.4 m high, and a body mass around 4 tonnes.
On the family tree it sits in Megaraptora, among the theropod dinosaurs.
Close relatives
Aoniraptor
Aoniraptor libertatem
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
Fukuiraptor
Fukuiraptor kitadaniensis
Early Cretaceous (Hauterivian · Barremian · Aptian) · roughly 132.6 to 113.2 million years ago
Phuwiangvenator
Phuwiangvenator yaemniyomi
Early Cretaceous (Valanginian · Hauterivian) · roughly 137.1 to 125.8 million years ago