Cycadophytina
n.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) 同义词：Cycadopsidaclass Cycadopsidasubdivision CycadophytinaCycadophytasubdivision Cycadophyta