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