WordNet: Pteridospermae, Pteridospermae-ryhmä, Pteridospermaphyta, Pteridospermaphyta-ryhmä

Sanatista
used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales



Pteridospermae


Pteridospermae-ryhmä


Pteridospermaphyta


Pteridospermaphyta-ryhmä