Pteridospermopsida
Of class and Gymnospermae. May also be referred to as class Pteridospermopsida.
Extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies.
This concept's ID is @1~58364
Contains
- Cycadofilicales
Fossil gymnospermous trees or climbing plants from the Devonian: seed ferns.