My, what big teeth you had! Extinct species had large teeth on roof of mouth

When the world's land was congealed in one supercontinent 240 million years ago, Antarctica wasn't the forbiddingly icy place it is now. But paleontologists have found a previously unknown amphibious predator species that probably still made it less than hospitable.

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<p><a href="http://www.physorg.com/news140410277.html">My, what big teeth you had! Extinct species had large teeth on roof of mouth</a></p> <p>When the world's land was congealed in one supercontinent 240 million years ago, Antarctica wasn't the forbiddingly icy place it is now. But paleontologists have found a previously unknown amphibious predator species that probably still made it less than hospitable.</p>