Re: Rigid dinosaurs?

[Jura <pristichampsus@yahoo.com>]

--- "T. Michael Keesey" <keesey@gmail.com> wrote:

> Mike Habib wrote:
> 
> > There is also the problem (already alluded to) of
> equating rigidity in
> > the body and neck to poor mobility.
> 
> Yeah--birds and turtles are both among the most
> rigid of tetrapods,
> but man is there a big difference between the
> agility of a bird and
> the agility of a turtle!

+++++++++++++++++++++++++++++++++++++++

Ouch! You've obviously never tried to catch a
softshell turtle. They're remarkably slippery for
creatures composed of mostly bone.

Jason

"I am impressed by the fact that we know less about many modern [reptile] types 
than we do of many fossil groups." - Alfred S. Romer

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