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Temporal range: Late Cretaceous, 84 Ma
Jaxartosaurus skull.png
Reconstructed skull
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Suborder: Ornithopoda
Family: Hadrosauridae
Subfamily: Lambeosaurinae
Genus: Jaxartosaurus
Riabinin, 1937
  • J. aralensis Riabinin, 1937 (type)

Jaxartosaurus is a genus of hadrosaurid dinosaur similar to Corythosaurus which lived during the Late Cretaceous. Its fossils were found in Kazakhstan and China.[1] It had a large, helmet-like crest that it may have used for visual identification, or to vocalize with members of the same herd.

The type species, J. aralensis, was first described by Anatoly Nikolaevich Riabinin in 1937.[1] A second species, J. fuyunensis, was described by Weishampel and Horner in 1990, but is dubious.

See also[edit]


  1. ^ a b Riabinin, A.M. (1937). "A New Finding of Dinosaurs in the Trans-Baikal Region". Ezhegodn. Vserossijskogo Palaeont. Obstcg. 11: 142–144