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Re: Dr. Holtz' secret: Buitreraptor gonzalezorum



<<Rather than originating during the Cretaceous, dromaeosaurs can now be
traced back to the Jurassic, possibly as far back as 180 million years
ago.>>

Um, Upper Jurassic dromie fossils had already been found.  This certainly
applies to the Kimmeridgian Guimarota locality in Portugal.  I seem to
recall there's further material from the Morrison Formation.  In other
words, they already have been traced back to the Jurassic.