group Pteridospermae vs Pteridospermaphyta

group Pteridospermae and Pteridospermaphyta both are nouns.

Word	Noun	Adjective	Verb	Adverb
group Pteridospermae	Yes	No	No	No
Pteridospermaphyta	Yes	No	No	No

As nouns, group Pteridospermae and Pteridospermaphyta are synonyms defined as:

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

Other synonyms of group Pteridospermae include group Pteridospermaphyta, Pteridospermae.

group Pteridospermae (noun)	Pteridospermaphyta (noun)
used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales	used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales