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Temporal range: Pennsylvanian to Aptian
Alethopteris sp.jpg
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Division: +Pteridospermatophyta
Order: +Medullosales
Family: +Alethopteridaceae
Genus: +Alethopteris

Alethopteris is a prehistoric plant genus of fossil Pteridospermatophyta (seed ferns) that developed in the Carboniferous period (around 360 to 300 million years ago).[1]

It is in the family Alethopteridaceae. The genus Alethopteris is among the seed ferns (Pteridospermales), an extinct group of gymnosperms. Although their foliage resembled that of modern ferns, they reproduced by means of seeds.

Alethopteris PAMuseum.jpg

See also


  1. ^ "Seed Fern Fossil". Retrieved .

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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