Jaxartosaurus

Jaxartosaurus (meaning "Jaxartes lizard" after the early name of the Syr Darya) is a genus of hadrosaurid dinosaur similar to Corythosaurus which lived during the Late Cretaceous. Its fossils were found in Kazakhstan.[1]

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

Description

Jaxartosaurus had a large crest that it may have used for visual identification, or to vocalize with members of the same species, as inferred for other lambeosaurines. They were likely herbivores, cropping low-lying plants with their toothless beaks and chewed them with their cheek teeth.

Taxonomy

The type species, J. aralensis, was first described by Anatoly Nikolaevich Riabinin in 1937.[1] A second species, J. fuyunensis, was described by Wu (1984) for a dentary from Xinjiang, China, but is dubious.[2][3]

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See also

References
  1. Riabinin, A.M. (1937). "A New Finding of Dinosaurs in the Trans-Baikal Region". Ezhegodn. Vserossijskogo Palaeont. Obstcg. 11: 142–144
  2. Wu S. 1973. [A fossil of Jaxartosaurus is discovered in the Xinjiang]. Vertebrata PalAsiatica 11: 217–218. (In Chinese) ———. 1984. In: [The locations of ancient organisms in the northwest regions, Xinjiang Uygur Autonomous Region Edition III. Mesozoic, Cenozoic]. Geol. Res. Div. Xinjiang Oil Admin. Bureau, Cartogr. Grp. Xinjian Geol. Bureau. Geol. Publ., Beijing.
  3. Weishampel, D. B. & Horner, J. R. 1990. Hadrosauridae. In: Weishampel, D. B. et al. (eds.). The Dinosauria. Univ. Calif. Press, Berkeley. pp. 534-561.


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