Sunday, Feb 14 1999, Jeff Martz also wrote... >> Even if you except Olshevsky's idea that ALL theropods are = descended from several radiations of arboreal forms, this still only = covers the theropods; and the "dino-birds" would still technically be = dinosaurs (unless dinosaurs are polyphyletic). "Birds Came First" is = just a cute catch phrase for a theory that suggests that early theropods = were arboreal, and that ground dwelling theropods are a polyphyletic = group representing several radiations from arboreal forms; at least = _ONE_ of which already achieved flight. I'm sure Olshevsky will chime = in if I've misrepresented his ideas. In any case, the paper is on BIRD origins, not necessarily = "bird-like, possibly secondarily flightless theropod" origins. =20<< Although I do ACCEPT George Olshevsky`s general outcome of his BCF, I`m not sure at exactly what point he considers an actual "Bird" to have come into existance. (I haven`t recieved any copy of Mezozoic Meanderings #3, that might inform me of this...as yet.....hint , hint). In any case, if you want to know what I think about the whole process of Avian evolution, visit my website.... http://www.capital.net/~larryf/
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