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Description: | Murchisonia bigranulosa was a gastropod (sea snail) that had a tall, pointed shell. It probably spent its life burrowing for food in the seabed. Gastropods move around by crawling on a muscular foot. They can pull their body right inside their shell, and seal off the entrance with a small, hard cover (called an operculum), once they are inside. | 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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