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Re: Stratigraphy, biogeography & cladograms
--Original Message-- From: Jeffrey Martz <firstname.lastname@example.org>:
Wednesday, January 20, 1999 03:14 PM
><It seems to me that (modern birds) may simply be all that's left of a
>major group of animals (major prebird creature group) that extended
>from the early Jurassic right on into the late Cretaceous.>
>J. Jackson wrote...
>< That's what Sankar Chatterjee proposed, I believe.
I didn't write the line above - Jaime did.
> That's what John Ostrom, Kevin Padian, Alan Fedduccia, Larry Martin,
and Alick Walker suggested too.
And if they *all* think feathered flight evolved in multiple sublines
simultaneously, then God help palaeontology.