RE: Carnotaurus

["T. Mike Keesey" <tmk@dinosauricon.com>]

On Mon, 23 Apr 2001, R. Irmis wrote:

> Ummm, as I understand it, it is thought most Spinosaurids DID use their
> forelimbs to hunt/catch fish.  Therefore the enlargement of the manual ungal
> to help the animal hook the prey.  Can anyone set me straight as to the
> contrary?

The large first manual ungual is a trait of a larger group, possibly a
primitive trait for most _Tetanurae_. I don't think they were all fishing,
although I suppose it could have been used for such a purpose in some of
them.

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