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Description: | The specimen shows four stems of Calamocladus with fine leaves attached to joints. Although Calamocladus looks like the small present-day horsetail plant, Carboniferous varieties included trees that grew up to 30m tall and had trunks up to 1m in diameter. They typically formed thickets along the edges of rivers and lakes in the tropical coal forests. Horsetails reproduced from spores that grew in cases (sporangia) arranged in cones attached to the tips of stems. | 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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