Linking the evolution of body shape and locomotor biomechanics in bird-line archosaurs

Vivian Allen, Karl T. Bates, Zhiheng Li and John R. Hutchinson ()
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Vivian Allen: Institut für Spezielle Zoologie und Evolutionsbiologie, Friedrich-Schiller-University Jena, 07743 Jena, Germany
Karl T. Bates: Institute of Ageing and Chronic Disease, University of Liverpool
Zhiheng Li: Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100034, China
John R. Hutchinson: Structure & Motion Laboratory, The Royal Veterinary College

Nature, 2013, vol. 497, issue 7447, 104-107

Abstract: Estimations of body shape and three-dimensional digital reconstructions of representative archosaurs along the ancestral bird line support hypotheses of a gradual, stepwise acquisition of more-crouched limb postures across much of theropod evolution but indicate that an accelerated change, rather than a discrete transition from more-upright postures, occurred within the clade Maniraptora (birds and their closest relatives, such as deinonychosaurs).

Date: 2013
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DOI: 10.1038/nature12059

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