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