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Updated live from Wikipedia, last check: June 01, 2012 18:38 UTC (45 seconds ago)

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Haplocheirus
Fossil range: Late Jurassic, 160 Ma
↓
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Dinosauria
Order: Saurischia
Suborder: Theropoda
Superfamily: Alvarezsauroidea
Genus: Haplocheirus
Choiniere et al., 2010
Species
  • H. sollers Choiniere et al., 2010 (type)

Haplocheirus is a genus of alvarezsauroid theropod dinosaur. It is the most basal member of its clade.[1] It is the oldest known alvarezsauroid, predating all other members by about 63 million years. This also makes it about 15 million years older than the oldest known bird Archaeopteryx. Haplocheirus was described in 2010 from a fossil specimen found from the 160 million year old Shishugou Formation in the Junggar Basin of northwestern China. The type species is H. sollers.[1]

See also

References

  1. ^ a b Choiniere, J. N.; Xu, X.; Clark, J. M.; Forster, C. A.; Guo, Y.; and Han, F. (2010). "A basal alvarezsauroid theropod from the Early Late Jurassic of Xinjiang, China". Science 327 (5965): 571-574. doi:10.1126/science.1182143. 

External links

Dinosaurs portal







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