Protopteridales

Protopteridales

[‚prōd·ō‚ter·ə′dā·lēz]
(paleobotany)
An extinct order of ferns, class Polypodiatae.
References in periodicals archive ?
Primitive Land Plants Lycopsida Sphenopsida Pteropsida Examples Selaginella Equisetum Phanerogams Lycopodium Ferns Lepidophyta Transitional Protolepido- Hyeniales Protopteridales Groups dendrales
Included in the Protopteridales are Protopteridium, Rhacophyton, Condrusorum, Aneuropteris, Cephalopteris, Cladoxylon and Pseudosporochnus.