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Description: | This leaf fragment is part of a large much divided leaf (compound leaf) known as a frond. It is made up of many small leaves known as pinnules. Seed ferns formed either shrubs, scrambling creepers or trees that grew up to 10m tall. They were an important plant in the Carboniferous coal forests and usually grew on raised banks of river channels. They were the earliest seed bearing plants but became extinct in the Cretaceous period. | 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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