Engelsk substantiv: Pteridospermae | |||
1. | Pteridospermae (om plante) used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales | ||
Ord med samme betydning (synonymer) | group Pteridospermae, group Pteridospermaphyta, Pteridospermaphyta | ||
Mindre spesifikke uttrykk | taxon, taxonomic category, taxonomic group | ||