Fossilized leaves of a giant horsetail plant, Annularia stellata. Such plant remains contributed greatly to the formation of coal. This specimen would

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Fossilized leaves of a giant horsetail plant, Annularia stellata. Such plant remains contributed greatly to the formation of coal. This specimen would have lived in the steamy, dark swamps that once covered large areas of the Annularia dates from the Carboniferous period, some 300 million years ago; this specimen was found in Radstock, Somerset,

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Size: 5031px × 3472px
Photo credit: © MARTIN LAND/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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