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Description: | This smooth brachiopod (lamp shell) was found on Tyneside, even though it is not originally from this area. It was found in rocks that were dumped from coal ships which travelled to Tyneside from southern England. These rocks are known as ballast, and were used to weigh down empty cargo ships to keep them sitting correctly in the water. They were then discarded when the ship took on its load of coal. Gibbythyris lived in quiet shallow offshore waters and often formed small colonies. It was a filter feeder that fed on tiny food particles that it filtered out of 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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