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Re: Swiming spinosaurus

On 10 Jul 2001, Mickey Mortimer wrote:
> or even have been partially
> quadrupedal, as spinosaurids do have robust and elongate forelimbs

I was under the impression that theropods could not supinate or pronate
their forearms, and that supination and pronation are required for
quardupedality.

I thought that quadrupedality was out of the question for known theropods.

-Demetrios Vital