Feather Quill Knobs in the Dinosaur Velociraptor

@article{Turner2007FeatherQK,
  title={Feather Quill Knobs in the Dinosaur Velociraptor},
  author={Alan H. Turner and Peter J Makovicky and Mark A. Norell},
  journal={Science},
  year={2007},
  volume={317},
  pages={1721 - 1721}
}
Some nonavian theropod dinosaurs were at least partially covered in feathers or filamentous protofeathers. However, a complete understanding of feather distribution among theropod dinosaurs is limited because feathers are typically preserved only in lagerst�tten like that of Solnhofen, Germany or Liaoning, China. Such deposits possess clear taphonomic biases toward small-bodied animals, limiting our knowledge regarding feather presence in larger members of feathered clades. We present direct… 
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