Group Pteridospermaphyta — synonyms, definition

1. group Pteridospermaphyta (Noun)

3 synonyms
Pteridospermae Pteridospermaphyta group Pteridospermae
1 definition

group Pteridospermaphyta (Noun) — Used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales.

3 types of
taxon taxonomic category taxonomic group