Re: dinosaur humps

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

On Fri, 10 Mar 2000, Larry Febo wrote:

> I find it interesting in comparison to look at Megalancosaurus (check
> out Dave Peter`s website at:
> http://home.stlnet.com/~azero/Megalancosaurid.html ). It has tall
> neural spines, and it`s feet seem well adapted for grasping narrow
> branches. I can`t shake the thought that perhaps Ornithishians had
> evolved from this type of Prolacertiform.

Unfortunately for your hypothesis, primitive ornithischians did not have
tall neural spines:
http://dinosauricon.com/images/lesothosaurus-jc.html
http://dinosauricon.com/images/heterodontosaurus-jc.html
http://dinosauricon.com/images/abrictosaurus-am.html

-- T. Michael Keesey .................................. <tmk@dinosauricon.com>
   My Worlds (including The Dinosauricon) ... <http://dinosauricon.com/keesey>
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