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Description: | There are several examples of the graptolite Phylllograptus on this piece of slate. Because the delicate skeleton was flattened during the process of fossilisation it is difficult to reconstruct what they would have looked like when alive. Careful study of many specimens has shown that the skeleton originally consisted of four rows of tubes joined together. Although there are no graptolites alive today it is thought that they floated near the surface of the sea and fed on microscopic (planktonic) plants and animals. | 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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