pteridospermae

from WordNet (r) 3.0 (2006)
Pteridospermae
    n 1: used in some classification systems: a group of extinct
         fossil gymnosperms coextensive with the order
         Cycadofilicales [syn: {Pteridospermae}, {group
         Pteridospermae}, {Pteridospermaphyta}, {group
         Pteridospermaphyta}]
    

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