Alethopteris Fossil

Fern Frond and Fruits; Alethopteris. One of the most widespread of all Pennsylvanian Epoch ^seed ferns.^ Frond is 1.75^ wide, seeds (Trigonocarpus) are.75^ to 1.75^ long. A gymnosperm from the Carboniferous Period, some 300 million years ago. Specimen co

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Alethopteris Ancient Bituminous Carbon Carboniferous Coal Fern Ferns Fossil Fossiliferous Fossilization Fossilized Frond Geological Gymnosperm Pennsylvanian Plantae Prehistoric Pteridospermatophyta

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