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bird-hipped dinosaur
Jakapil
Say it like this: “ja-ka-pill”
Jakapil kaniukura
Jakapil ate plants and walked on four 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
- 2022 · Riguetti, F. J.; Apesteguía, S.; Pereda-Suberbiola, X.
- Hip height
- Not established
- Length
- 1.5 m · 5 ft
- Weight
- 5–7 kg · 11–15 lb
- Found in
- Argentina · Candeleros
- Food and walking
- Herbivore · Four legs
- Kind
- bird-hipped dinosaur · Ornithischian
- Family branch
- Thyreophora
The story in short
Jakapil was formally named in 2022 by F. J. Riguetti and colleagues. The name means “crest stone.”
Fossils referred to Jakapil date to the Late Cretaceous (Cenomanian), roughly 100.5 to 93.9 million years ago. Finds come from Argentina, including the Candeleros Formation. It was a herbivore and walked on four legs.
Published estimates put Jakapil at a length near 1.5 m and a body mass around 5–7 kg.
On the family tree it sits in Thyreophora, among the bird-hipped dinosaurs.
Close relatives
Bienosaurus
Bienosaurus lufengensis
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
Emausaurus
Emausaurus ernsti
Early Jurassic (Toarcian) · roughly 184.2 to 174.7 million years ago
Peishansaurus
Peishansaurus philemys
Early Cretaceous (Barremian · Aptian · Albian) · roughly 125.8 to 100.5 million years ago