Definition of 'cycadopsida'

Noun

1. palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
      Synonyms: class Cycadopsida Cycadophytina subdivision Cycadophytina Cycadophyta subdivision Cycadophyta

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