Group Pteridospermae — synonyms, definition
1. group Pteridospermae (Noun)
3 synonyms
Pteridospermae Pteridospermaphyta group Pteridospermaphyta
1 definition
group Pteridospermae (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