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Re: Planet Dinosaur Ep 2

On Fri, Sep 30th, 2011 at 1:39 PM, Augusto Haro <augustoharo@gmail.com> wrote:

> 2011/9/29 Tim Williams <tijawi@gmail.com>:
> >
> > I know _Velociraptor_ had quill knobs along the ulna, but there's no
> > direct evidence that it had long forelimb feathers.  Personally, I
> > very much doubt that it did. If any remiges were present, they might
> > have been short and stunted, perhaps even bristle-like or spine-like.
> But wouldn't it be more parsimonious to infer it having long feathers
> given the condition in bracketing avialians and microraptorines?
> Or is there some short-forelimb feathered related paravian? (before,
> defining of which lenghts we are referring to with long or short would
> be good).

That's assuming they *are* quill knobs, and not an intermuscular line (as 
suggested for the 
supposed quill knobs of _Concavenator_).


Dann Pigdon
Spatial Data Analyst               Australian Dinosaurs
Melbourne, Australia               http://home.alphalink.com.au/~dannj