doi: 10.1126/science.1120331.
A well-preserved Archaeopteryx specimen with theropod features
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- PMID: 16322455
- DOI: 10.1126/science.1120331
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A well-preserved Archaeopteryx specimen with theropod features
Science.
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Abstract
A nearly complete skeleton of Archaeopteryx with excellent bone preservation shows that the osteology of the urvogel is similar to that of nonavian theropod dinosaurs. The new specimen confirms the presence of a hyperextendible second toe as in dromaeosaurs and troodontids. Archaeopteryx had a plesiomorphic tetraradiate palatine bone and no fully reversed first toe. These observations provide further evidence for the theropod ancestry of birds. In addition, the presence of a hyperextendible second toe blurs the distinction of archaeopterygids from basal deinonychosaurs (troodontids and dromaeosaurs) and challenges the monophyly of Aves.
Comment in
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Paleontology. Best Archaeopteryx fossil so far ruffles a few feathers.Science. 2005 Dec 2;310(5753):1418-9. doi: 10.1126/science.310.5753.1418. Science. 2005. PMID: 16322436 No abstract available.
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Archaeopteryx: the lost evidence.Science. 2006 Apr 14;312(5771):197-8. doi: 10.1126/science.312.5771.197. Science. 2006. PMID: 16614199 No abstract available.
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Comment on "A well-preserved Archaeopteryx specimen with theropod features".Science. 2006 Sep 1;313(5791):1238; author reply 1238. doi: 10.1126/science.1130800. Science. 2006. PMID: 16946054
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