English noun: Pteridospermaphyta | |||
1. | Pteridospermaphyta (plant) used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales | ||
Synonyms | group Pteridospermae, group Pteridospermaphyta, Pteridospermae | ||
Broader (hypernym) | taxon, taxonomic category, taxonomic group | ||