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Description: | These brachiopod (lamp shell) fossils lived attached to the seabed. After death, the soft part of the animal decayed away and the remaining shells became buried and fossilised in the silt of the seabed. Later, the silt changed to siltstone and even the shells of the fossils were dissolved away. Today, all that is left of the original animal is a series of impressions or moulds that the shells made in the rock. Fossils preserved in this way are often difficult to identify. | 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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