Used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales. Synonyms: group Pteridospermae, Pteridospermae, Pteridospermaphyta.
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Words linked to "Group Pteridospermaphyta" : taxonomic group, Pteridospermaphyta, taxonomic category, taxon, group Pteridospermae |
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