Sphenopteris

Updated on Dec 29, 2024

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Kingdom Plantae Order Lyginopteridales Rank Genus		Division Pteridospermatophyta Family Lyginopteridaceae

Similar Pecopteris, Neuropteris, Alethopteris, Sphenophyllum, Annularia

Sphenopteris ver f siles

Sphenopteris is a genus of seed ferns containing the foliage of various extinct plants.

The frond of Sphenopteris could be up to 20 inches (51 cm) long.

In Brazil, fossil of form genus Sphenopteris was located in outcrop Morro Papalé in the city of Mariana Pimentel. They are in the geopark Paleorrota in Rio Bonito Formation and date from Sakmarian in Permian.

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