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