Re: Spinosaurus sail

[Josh Smith <smithjb@sas.upenn.edu>]

Dinogeorge@aol.com wrote:

> In a message dated 7/25/01 2:39:30 PM EST, smithjb@sas.upenn.edu writes:
>
> << Yeah, as far as I know, the holotype of _S. aegypticaus_ was supposed to be
>  sub-adult. >>
>
> As I recall, the reason for this was that the neural spines were incompletely
> fused to the centra. You can see they're detached in a number of Stromer's
> illustrations of the vertebrae.

Yes.  That is what Stromer (1915) said.  I should have said that in my last
message, shouldn't I (duh.)....

--
Josh Smith
Department of Earth and Environmental Science
University of Pennsylvania
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