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Xenacanthus sharks

Xenacanthus sharks

E445/0302

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Credit

CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY

Caption

Xenacanthus sharks. Artwork of two Xenacanthus sharks swimming. This genus of prehistoric shark existed during the late Devonian through to the Triassic period (410-220 million years ago). This species lived in freshwater and had a long spine protruding from the back of their head. It had unusual double forked front teeth and a ribbon-like dorsal fin giving it an eel-like appearance. Shark skeletons are made of cartilage and do not fossilise well. Most shark fossils consist of teeth and fin parts.

Release details

Model release not required. Property release not required.

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