| 单词 | subdivision Cycadophytina |
| 释义 | subdivision Cycadophytina (extremely rare) n WORD FAMILY subdivision 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) Syn|Hyper Cycadophyta, Cycadophytina, Cycadopsida, class Cycadopsida, subdivision Cycadophyta class (biology) a taxonomic group containing one or more orders |
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