pteridospermae
1. [ noun ] (biology,botany) used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
Synonyms: Pteridospermaphyta group_Pteridospermaphyta group_Pteridospermae
Related terms: taxonomic_group
Similar spelling:   pteridosperm
  Pteridaceae
  pteridophyte
  Pteridophyta
  pteridologist