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beaked plant-eater
Jaxartosaurus
Say it like this: “jak-SAHR-to-SAWR-us”
Jaxartosaurus aralensis
Jaxartosaurus ate plants and walked on two or four legs. It lived in the Late Cretaceous. Bones have been found in Kazakhstan.
- When
- Late Cretaceous (Coniacian · Santonian) · roughly 89.8 to 83.6 million years ago
- Named in
- 1937 · Riabinin, A. N.
- Hip height
- Not established
- Length
- 9 m · 30 ft
- Weight
- Not established
- Found in
- Kazakhstan · Syuksyuk
- Food and walking
- Herbivore · Two or four legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Lambeosaurinae
The story in short
In 1937, A. N. Riabinin published the name Jaxartosaurus. The name means “jaxartes lizard.”
Fossils referred to Jaxartosaurus date to the Late Cretaceous (Coniacian · Santonian), roughly 89.8 to 83.6 million years ago. Finds come from Kazakhstan, including the Syuksyuk Formation. It was a herbivore and could move on two or four legs.
Published estimates put Jaxartosaurus at a length near 9 m.
On the family tree it sits in Lambeosaurinae, among the ornithopod dinosaurs.