NAME

Meaning - Jaxartosaurus means “Jaxartes Lizard,” named for the Jaxartes river in Kazakhstan
Pronounced - jax-SAHR-toh-SAWR-us
Named By - Riabinin
When Named - 1934
DIET

Herbivore (plant-eater)
SIZE

Length - Roughly 30 feet (9 m) long
Height - ?
Weight - ?
WHEN IT LIVED

Late Cretaceous period, about 91-83 million years ago
WHERE IT LIVED

Fossils have been found near the Jaxartes River in the Aral Mountains of Kazakhstan, Asia.
FOSSILS

Only the skull roof and braincase have been found.
CLASSIFICATION
  • Kingdom Animalia (animals)
  • Phylum Chordata (having a hollow nerve chord ending in a brain)
  • Class Archosauria (diapsids with socket-set teeth, etc.)
  • Order Ornithischia - beaked, bird-hipped dinosaurs that were plant-eaters
  • Infraorder Iguanodontia - plant-eaters having spiked thumbs
  • Superfamily Hadrosauroidea - duck-billed dinosaurs
  • Family Lambeosaurinae - hollow-crested duck-billed dinosaurs
  • Genus Jaxartosaurus
  • Species J. aralensis (type species named by Riabinin, 1934)
INTERESTING FACTS

Jaxartosaurus was a duck-billed dinosaur that had massive, flat-topped cheek teeth. Very little is known about this genus of dinosaur.