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Eospermatopteris
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Eospermatopteris

fossil plant genus
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Also known as: Wattieza
Written by
Nan Crystal Arens
Professor of Geoscience, Hobart and William Smith Colleges, Geneva, New York.
Nan Crystal Arens
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fossil
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Eospermatopteris, genus of extinct plants known from fossil stumps discovered in the 1870s near Gilboa, New York, U.S. Eospermatopteris trunks were discovered upright, as they would have grown in life, and occurred in dense stands in the marshy lowlands near an ancient inland sea. However, only the lowermost 0.5 to 1.5 metres (2 to 5 feet) of Eospermatopteris trunks were preserved, and the plant’s branches and foliage remained unknown for more than 130 years. These fossils have been dated to the Givetian Age (387.7 million to 382.7 million years ago) of the Devonian Period; they are probably the remains of ...(100 of 384 words)

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