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

Alethopteris
Temporal range: PennsylvanianAptian
Alethopteris grandini, late Carboniferous, Kansas. At the Royal Tyrrell Museum of Palaeontology.
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Pteridospermatophyta
Order: Medullosales
Family: Alethopteridaceae
Genus: Alethopteris
Alethopteris, at the State Museum of Pennsylvania in Harrisburg.
Alethopteris sp.
Alethopteris Serlii on laminated mudstone from St. Clair, Pennsylvania.

See also

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References

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