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Pteridospermae

DEFINITIONS OF: Pteridospermae

1

n used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales

Synonyms:
Pteridospermaphyta, group Pteridospermae, group Pteridospermaphyta
Type of:
taxon, taxonomic category, taxonomic group
animal or plant group having natural relations
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