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Re: Eodromaeus, new basal theropod from Triassic in Argentina



Givien bristle like structures in both major dinosaur clades, it is not a huge 
leap.

But that doesn't mean its not pure speculation.


--- On Fri, 1/14/11, James Stearns <jstea003@odu.edu> wrote:

> From: James Stearns <jstea003@odu.edu>
> Subject: Re: Eodromaeus, new basal theropod from Triassic in Argentina
> To: dinosaur@usc.edu
> Date: Friday, January 14, 2011, 2:28 PM
> To be fair, it is quite possible that
> there were bristles on
> protodinosaurs like Eodromaeus. They are present in
> Tianyulong, which
> is even less derived compared to birds, and even pterosaurs
> had fuzzy
> integument. Personally, I don't find it that big a leap to
> suggest
> that downy integument was present in the earliest
> dinosaurs.
>