Calamites sp. giant horsetail trunk
320-290 million year old specimen of a giant horsetail fern trunk from the Late Carboniferous period, U.K
Picture No
10709931
Media ID
47591793
Size
3856px x 2532px
(5.5MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Calamitaceae Calamites Carboniferous Equisetales Equisetopsida Equisetum Fern Horsetail Paleozoic Phanerozoic Polypodiophyta Pteridophyta Pteridophyte
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