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Description: | This mudstone contains the remains of many different kinds of brachiopod shells. The calcium carbonate of the shells has been dissolved away leaving only the pattern made by the surface of the shells as an imprint in the rock. The large fan-shaped shell is a brachiopod called Macrocoelia. Brachiopods were attached to the seabed and fed by extracting particles of food from the water. | 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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