A Basal Dromaeosaurid and Size Evolution Preceding Avian Flight

@article{Turner2007ABD,
  title={A Basal Dromaeosaurid and Size Evolution Preceding Avian Flight},
  author={A. Turner and D. Pol and J. Clarke and G. M. Erickson and M. Norell},
  journal={Science},
  year={2007},
  volume={317},
  pages={1378 - 1381}
}
  • A. Turner, D. Pol, +2 authors M. Norell
  • Published 2007
  • Biology, Medicine
  • Science
  • Fossil evidence for changes in dinosaurs near the lineage leading to birds and the origin of flight has been sparse. A dinosaur from Mongolia represents the basal divergence within Dromaeosauridae. The taxon's small body size and phylogenetic position imply that extreme miniaturization was ancestral for Paraves (the clade including Avialae, Troodontidae, and Dromaeosauridae), phylogenetically earlier than where flight evolution is strongly inferred. In contrast to the sustained small body sizes… CONTINUE READING
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