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sharp-clawed runner
Koleken
Say it like this: “KO-lek-en”
Koleken inakayali
Koleken ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
- Named in
- 2024 · Pol, D.; Baiano, M. A.; Černý, D.; Novas, F. E.; Cerda, I. A.; Pittman, M.
- Hip height
- 1.5 m · 5 ft
- Length
- 5 m · 16 ft
- Weight
- 520 kg · 1,146 lb
- Found in
- Argentina · La Colonia
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Furileusauria
The story in short
Koleken was formally named in 2024 by D. Pol and colleagues. The name means “coming from clay and water.”
It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Argentina, including the La Colonia Formation. It was a carnivore and walked on two legs.
Published estimates put Koleken at a length near 5 m, hips about 1.5 m high, and a body mass around 520 kg.
On the family tree it sits in Furileusauria, among the theropod dinosaurs.