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Dr. Holtz' secret: Buitreraptor gonzalezorum
See the press release at:
"Newly discovered birdlike dinosaur is oldest raptor ever found in
"CHICAGO--The recent discovery of a 90-million-year-old dinosaur in
Patagonia demonstrates that dromaeosaurs, a group of carnivorous
theropods that includes Velociraptor and is closely related to birds,
originated much earlier than previously thought. Rather than
originating during the Cretaceous, dromaeosaurs can now be traced back
to the Jurassic, possibly as far back as 180 million years ago.
Meanwhile, the new dinosaur's birdlike features--its huge, hollow
wishbone; long, winglike forelimbs; and bird-like pelvis--provide more
evidence linking dinosaurs to birds. "