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Description: | The shape of this sea snail's thick shell has lead to it being called a 'helmet shell' or 'bonnet'. The outside of the shell has a pattern of spiral cords (rope-like pattern) and nodes. Present day relatives live in coastal areas of shallow, tropical and cool, temperate seas. They are active predators on sandy and rocky shores ands feed mainly on bivalves. Some larger forms are prized for carving cameos. | 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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