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group Pteridospermaphyta

DEFINITIONS OF: group Pteridospermaphyta

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

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