Re: "Split" neural spines on archosaur vertebrae

[Mickey Mortimer <Mickey_Mortimer111@msn.com>]

Phil Bigelow wrote-

> The posterior ends of the neural spines of some archosaur vertebrae are
> "split", as though someone had taken a knife and made a cut.  What is the
> function of the split?  What groups have this character?

This is the interspinous ligament groove, right?  Which I assume is named
such because ligaments which span the space between neural spines (and/or
alongside them?) attach there.

Mickey Mortimer
Undergraduate, Earth and Space Sciences
University of Washington
The Theropod Database - http://students.washington.edu/eoraptor/Home.html