Meaning : Used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales.
Synonyms : group pteridospermae, group pteridospermaphyta, pteridospermae
Pteridospermaphyta ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Pteridospermaphyta ka matlab kya hota hai?