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Alethopteris

Extinct genus of plants From Wikipedia, the free encyclopedia

Alethopteris
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Alethopteris is a prehistoric plant genus of fossil pteridospermatophytes (seed ferns) that developed in the Pennsylvanian (around 320 to 300 million years ago).[1]

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Alethopteris florentina De Stefani, 1901, Natural History Museum University of Pisa
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Alethopteris, at the State Museum of Pennsylvania in Harrisburg.
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Alethopteris sp.
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Alethopteris Serlii on laminated mudstone from St. Clair, Pennsylvania.

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