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sharp-clawed runner
Santanaraptor
Say it like this: “sahn-TAHN-uh-RAP-tor”
Santanaraptor placidus
Santanaraptor ate meat and walked on two legs. It lived in the Early Cretaceous. Bones have been found in Brazil.
- When
- Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago
- Named in
- 1999 · Kellner, A. W. A.
- Hip height
- Not established
- Length
- 1.5 m · 5 ft
- Weight
- 15 kg · 33 lb
- Found in
- Brazil · Romualdo
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Coelurosauria
The story in short
The genus Santanaraptor dates to 1999, the year A. W. A. Kellner described it. The name means “santana Formation thief.”
Fossils referred to Santanaraptor date to the Early Cretaceous (Aptian), roughly 121.4 to 113.2 million years ago. Finds come from Brazil, including the Romualdo Formation. It was a carnivore and walked on two legs.
Published estimates put Santanaraptor at a length near 1.5 m and a body mass around 15 kg.
On the family tree it sits in Coelurosauria, among the theropod dinosaurs.
Close relatives
Aniksosaurus
Aniksosaurus darwini
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
Aratasaurus
Aratasaurus museunacionali
Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago
Bicentenaria
Bicentenaria argentina
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago