Message from discussion
How did a bird evolve?
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From: "JTEM" <jte...@gmail.com>
Newsgroups: talk.origins
Subject: Re: How did a bird evolve?
Date: 27 Nov 2006 09:59:58 -0800
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Augray wrote:
> Actually, Epidendrosaurus predates Archaeopteryx.
One specimen is unquestionably from the Cretaceous,
another is of unknown age but likely Cretaceous....
Nope.
> >(which arguably may not even
> >be properly identified as a dinosaur),
>
> No, it's not. From the paper:
There's more than one paper out there:
http://www.vertpaleo.org/jvp/16-723-741.html
| Dinosauria is diagnosed by 17 apomorphic features,
| such as: deltopectoral crest distally projected; at
| least three sacral vertebrae; perforated acetabulum;
| presence of brevis shelf on ilium; astragalar ascending
| process inserts beneath the tibia; distal tarsal 4
| proximodistally depressed.
The above isn't a fluke:
http://www.palaeos.com/Vertebrates/Units/Unit310/100.html#Dinosauria
While you're studying, concentrate on question #8:
http://www.ldeo.columbia.edu/edu/dees/courses/v1001/pracmid03_ans.html
Also: This find seems to have taken the dinosaurs-evolved-from
-birds arguments that most people are really making.
It's primitive AND bird like, more primitive and more bird like
than archaeopteryx. Not that there was ever any shortage of
dinosaurs more bird like than archaeopteryx, but it's the
"primitive" that has got us here.
> >which appears for the first
> >time in the fossil record after birds.
> >
> >You know, you're just not trying very hard...
>
> ...when you have to make things up.
Huh? Are you sucking on fumes again? What are you pretending
that I'm making up?
|
