group Pteridospermaphyta

Definitions of group Pteridospermaphyta
  1. noun
    used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
    synonyms: Pteridospermae, Pteridospermaphyta, group Pteridospermae
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    type of:
    taxon, taxonomic category, taxonomic group
    animal or plant group having natural relations
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