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Description: | The fossil on the right is an internal cast (from the inside of the shell), of a gastropod (sea snail) shell. It is similar to the modern shell that is shown on the left. Living gastropods of this type feed on bivalve shells by making a neat hole in the shell of their victim, through which they suck out its body. Internal casts show us what the inside of a fossil shell looked like. These fossils are less common than the ones that show what the outside of a shell looks like. | 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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