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RE: Stratigraphy, biogeography & cladograms
I believe you're trying to ask if birds are monophyletic or
paraphyletic. Its something I have often wondered about myself,
especially lately with the recent Chinese finds. To anyone: Has this
issue been explored? Perhaps by Feduccia?
Lauri L. Bartlema
Directorate of Environment
Fort Bliss, Texas
> From: Betty Cunningham[SMTP:firstname.lastname@example.org]
> Reply To: email@example.com
> Sent: Monday, January 18, 1999 7:36 PM
> To: firstname.lastname@example.org
> Subject: Re: Stratigraphy, biogeography & cladograms
> 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
> the early Jurassic right on into the late Cretaceous. And rather than
> trying to fit such fossils as Archie, Seino, Caud, etc as direct
> ancestors of (modern birds), the whole mess is more like fitting a
> found fossil hominid into the (modern humans) family tree. Very very
> hominid fossils are direct ancestors of (modern humans).
> If that is the case is it possible that (modern birds) might actually
> derived/descended from more than one line of (prebird creatures) from
> this (major prebird creature group)?
> How would you say that in linnean or cladistic terms?
> -Betty Cunningham