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Re: ptero endothermy



----- Original Message -----
From: "Chris Bennett" <cbennett@bridgeport.edu>
To: "Dinosaur Listserver" <dinosaur@usc.edu>
Sent: Thursday, January 29, 2004 7:48 AM
Subject: Re: ptero endothermy


>
> ----- Original Message -----
> From: "David Peters" <davidrpeters@earthlink.net>
> To: <jrccea@bellsouth.net>; "dinosaur list" <dinosaur@usc.edu>
> Sent: Thursday, January 29, 2004 7:05 AM
> Subject: ptero endothermy
>
>
> > Chris Bennett wrote:
> > ...
> > One of the reasons why pterosaurs were connected to dinosaurs for so
> > long was the morphology of the pelvis. In both the anterior process of
> > the ilium can be quite substantial. Greg Paul is better acquainted with
> > this than I, but one can see that the early dinosaurs (theropods, and
> > prosauropods) had rather small ilia while later forms had extended ilia.
> > Longer ilia means larger thigh muscles.
>
> Unless David knows about some pterosaur mummies that I am unaware of, I
> would reject his suggestion that "longer ilia means [sic] larger thigh
> muscles."  We do not have any direct evidence as to the mass of the
> musculature of the muscles...

The mass of the musculature of the muscles?  What were my fingers thinking?