Re: PARAPHYLY IN STEGOSAURUS

[tlford@ix.netcom.com]

On 03/16/98 19:47:32 you wrote:
>
>Here's a weird idea....  I am wondering about the polarity of a few characters
>in Stegosaurus ungulatus.  Is there a skull, or any skull material known for
>this species?  Are there any parascapular spines preserved?  Are the
>preacetabular process of the illia flaring like in other stegosaurs or closer
>to parallel as in Stegosaurus stenops and Huayangosaurus?
>

We don't really know what Stegosaurus is because the type species is still in 
plaster jackets, S. 
armatus. Untill that's taken out, all Stegosaurus species is subspect.

Tracy