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Description: | This extinct shark's tooth has a serrated (sawtooth-like) edge that helped cut through the flesh of its prey. The teeth are the only fossil remains of this shark that have been found so little is known about it. Its skeleton would have been made out of soft cartilage. It has been preserved in limestone that contains many crinoid (sea lily) ossicles (discs) that tells us it lived in the sea rather than freshwater. | License: | http://www.imagine.org.uk/about/copyright/ | Rights holder: | Tyne & Wear Museums | Subjects: | fossils natural world | Source: | Tyne and Wear Imagine | Identifier: | http://www.imagine.org.uk/details/index.... | Go to resource |
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