Protopteridales

Protopteridales

[‚prōd·ō‚ter·ə′dā·lēz]
(paleobotany)
An extinct order of ferns, class Polypodiatae.
References in periodicals archive ?
The higher land plants evolved from the telome trusses of the primitive forms along three parallel lines, as indicated in the following table: 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.