I see no nostrils on the upper mandible at all, and it looks complete.
You can see some canals in the upper part next to the tooth line that look to be nostrils. My guess is that it was a sea-going creature, if not, amphibious.
84 posted on 08/28/2006 10:52:56 AM PDT by Bloody Sam Roberts
(Dawn of light...lying between a silence and sold sources...)