HP Tim Williams icluded this in a post
"Note added in proof: Norell et al. (2002) describe a new specimen of
basal dromaeosaur (possibly a _Sinornithosaurus_) from the 124 Ma old
formation of China that has preserved impressions of modern
feathers including a rachis, barbs, and a planar vane.
of barbs in the feather vanes document presence of
as in _Archaeopteryx_ and modern birds.
Feathers on the tip of the tail are
>19 cm long, and the beautifully
preserved feathers on the upper hindlimbs
are 13.5 cm long. This
latest discovery conclusively demonstrates the
theropod origin of feathers
Does anybody know if any photos of this specimen
are available anywhere? (or any more details?)
class. In unision:
FOR. THE. PAPER."
me on this; you will not have long to wait.
Thomas R. Holtz,
Department of Geology
Director, Earth, Life & Time
University of Maryland
College Park, MD
301-405-4084 Email: email@example.com
(Geol): 301-314-9661 Fax (CPS-ELT):