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Ferns

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Alethopteris sp.
Alethopteris sp.
ISM 14250

Alethopteris sp. is the foliage of a seed fern. Seed ferns (Pteridospermales) are an extinct group of gymnosperms. Although their foliage resemlbed that of modern ferns, they reproduced by means of seeds. Their seeds were up to 4 cm (1.5 inches) in length.
This varietiy of seed fern was a small tree and may have stood about four meters (13 feet) tall.


Specimen #: 14250

<i>Alethopteris</i> sp.

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Top Level : Plant Fossils : Ferns

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