A Small Derived Theropod from Öösh, Early Cretaceous, Baykhangor Mongolia

@inproceedings{Turner2007ASD,
  title={A Small Derived Theropod from {\"O}{\"o}sh, Early Cretaceous, Baykhangor Mongolia},
  author={Alan H. Turner and Sunny H. Hwang and Mark A. Norell},
  year={2007}
}
Abstract A new theropod dinosaur, Shanag ashile, from the Early Cretaceous Öösh deposits of Mongolia is described here. The new specimen (IGM 100/1119) comprises a well-preserved right maxilla, dentary, and partial splenial. This specimen exhibits a number of derived theropod features, including a triangular anteriorly tapering maxilla, a large antorbital fossa, and maxillary participation in the caudally elongate external nares. These features resemble the Early Cretaceous dromaeosaurids… 

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A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America

  • N. LongrichP. Currie
  • Environmental Science, Geography
    Proceedings of the National Academy of Sciences
  • 2009
Hesperonychus is the youngest known member of this lineage, extending the temporal range of the clade by 45 million years, and it is the first microraptorine known from North America, providing further evidence for an affinity between the dinosaur faunas of North America and Asia.

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