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Re: GIVING CERATOSAURS THE BOOT
>> I've never heard of a ceratosaur with ANY pubic foot to speak of.
>> Nick Pharris
>A pubic foot in _Ceratosaurus nasicornis_ was reported as an impression in the
>sediment surrounding the bone in the original description. Several skeletal
>reconstructions accordingly give _Ceratosaurus_ a boot, therefore.
More recent (and, sadly, unpublished) specimens of Ceratosaurus show that
there is only a small, Carnotaurus-like boot on the pubis.
>Check out the '_Allosaurus_' figure in the Jacobs' 'Textbook' to see a rather
That's "Lucas", NOT "Jacobs". Let's give credit (?!?) where credit is due!!
>poor attempt at changing the original reconstruction of _Ceratosaurus_ into
>something's it's not.
>What are the chances that the Ceratosauria is paraphyletic. I know that, as an
out-group to the Tetanurae, it's well supported in several recent
>Bakker, Britt and others see a grading between ceratosaurids and
Actually, the chances aren't too bad. I would have know problem if
Neoceratosauria were found to be closer to Tetanurae than to Coelophysoidea.
Thomas R. Holtz, Jr.
Dept. of Geology
University of Maryland
College Park, MD 20742