"Helicoprion" Airbrush, acrylics and ink Here's one for Todd did for Discovery.com: a paleoshark called Helicoprion. Reached lengths of 3.3 meters (10') with a curious buzz saw-like spiral jaw full of teeth. Helicoprion is known only from fossilized teeth

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Todd Marshall's artwork is under copyright © of Todd Marshall. Any reproduction without permission of the owner is strictly prohibited. All Rights Reserved. © 1997-2008 ALL RIGHTS RESERVED The "Prehistorics Illustrated" name and all original material at Prehistorics Illustrated is protected by copyright law	You can email me at: dinosaurs@prehistoricsillustrated.com
	Last Updated on 01/01/2008