Synonyms and Antonyms for group-pteridospermaphyta

1. group Pteridospermaphyta (n.)

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

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2. Pteridospermaphyta (n.)

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

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7. group (n.)

a set that is closed, associative, has an identity element and every element has an inverse

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