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Updated: May 25, 2025
To this family belong two fossil genera of the coal, Equisetites and Calamites. They grew in dense brakes on sandy and muddy flats in the manner of modern Equisetaceae, and their remains are frequent in the coal. Asterophillites foliosus. Dawson, its foliage is distinguished by a true mid-rib, which is wanting in the leaves known to belong to some Calamites. Carruthers to be leaves of Calamites.
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