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sharp-clawed runner
Bicentenaria
Say it like this: “bi-sen-ten-ahr-ee-uh”
Bicentenaria argentina
Bicentenaria ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
- Named in
- 2012 · Novas, F.; Ezcurra, M.; Agnolin, F.; Pol, D.; Ortiz, R.
- Hip height
- 0.6 m · 2 ft
- Length
- 2.5–3 m · 8–10 ft
- Weight
- 50 kg · 110 lb
- Found in
- Argentina · Candeleros
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Coelurosauria
The story in short
The genus Bicentenaria dates to 2012, the year F. Novas and colleagues described it. The name means “two hundred year anniversary.”
It lived in the Late Cretaceous (Cenomanian), roughly 100.5 to 93.9 million years ago. Finds come from Argentina, including the Candeleros Formation. It was a carnivore and walked on two legs.
Published estimates put Bicentenaria at a length near 2.5–3 m, hips about 0.6 m high, and a body mass around 50 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
Calamospondylus
Calamospondylus oweni
Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago