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sharp-clawed runner
Llukalkan
Llukalkan aliocranianus
Llukalkan ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Santonian) · roughly 85.7 to 83.6 million years ago
- Named in
- 2021 · Gianechini, F. A.; Méndez, A. H.; Filippi, L. S.; Paulina-Carabajal, A.; Juárez Valieri, R. D.; Garrido, A. C.
- Hip height
- 1.3 m · 4 ft
- Length
- 4 m · 13 ft
- Weight
- 900 kg · 1,984 lb
- Found in
- Argentina · Bajo de la Carpa
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Furileusauria
The story in short
Llukalkan was formally named in 2021 by F. A. Gianechini and colleagues. The name means “one who causes fear.”
It lived in the Late Cretaceous (Santonian), roughly 85.7 to 83.6 million years ago. Finds come from Argentina, including the Bajo de la Carpa Formation. It was a carnivore and walked on two legs.
Published estimates put Llukalkan at a length near 4 m, hips about 1.3 m high, and a body mass around 900 kg.
On the family tree it sits in Furileusauria, among the theropod dinosaurs.