News Life Groovy teeth suggest dinosaur was venomous Fossils show depression in upper jaw that held venom-producing glands Share this:FacebookTwitterPocketRedditPrintEmail By Sid Perkins December 21, 2009 at 5:33 pm This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe