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- Title
Branched integumental structures in Sinornithosaurus and the origin of feathers.
- Authors
Xing Xu; Zhong-he Zhou; Prum, Richard O.
- Abstract
Describes observations of the filamentous integumental appendages of the basal dromaeosaurid dinosaur Sinornithosaurus millenii. Indication that they are compound structures composed of multiple filaments; Exhibition of two types of branching structure unique to avian feathers, filaments joined in a basal tuft and filaments joined at their bases in series along a central filament; Agreement with predictions of an independent, developmental model of the evolutionary origin of feathers.
- Publication
Nature, 2001, Vol 410, Issue 6825, p200
- ISSN
0028-0836
- Publication type
Academic Journal
- DOI
10.1038/35065589