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]

Alethopteris
Temporal range: PennsylvanianAptian
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Pteridospermatophyta
Order: Medullosales
Family: Alethopteridaceae
Genus: Alethopteris

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 on display at the State Museum of Pennsylvania in Harrisburg.

See also edit

References edit

  1. ^ "Seed Fern Fossil". www.fossilmuseum.net. Retrieved 2016-12-01.