• DOI:10.1038/nature21700
Corpus ID: 205254710

A new hypothesis of dinosaur relationships and early dinosaur evolution

@article{Baron2017ANH,
  title={A new hypothesis of dinosaur relationships and early dinosaur evolution},
  author={M. Baron and D. B. Norman and P. Barrett},
  journal={Nature},
  year={2017},
  volume={543},
  pages={501-506}
}

M. Baron, D. B. Norman, P. Barrett

Published 2017

Biology, Medicine

Nature

For 130 years, dinosaurs have been divided into two distinct clades—Ornithischia and Saurischia. [...] Key Result Our study has found a sister-group relationship between Ornithischia and Theropoda (united in the new clade Ornithoscelida), with Sauropodomorpha and Herrerasauridae (as the redefined Saurischia) forming its monophyletic outgroup. This new tree topology requires redefinition and rediagnosis of Dinosauria and the subsidiary dinosaurian clades. In addition, it forces re-evaluations of early dinosaur…Expand Abstract

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