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Description: | Orthis is a kind of brachiopod (lamp shell) and is a fairly common fossil found in Ordovician rocks. This specimen has a distinctive raised ridge in the centre of the shell. Brachiopods like this one lived attached to the seabed and fed on tiny particles filtered from the water by a special feeding organ, called a lophophore, within the shell. | 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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Brachiopod
Brachiopods (lamp shells) live attached…
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