Definition of subdivision cycadophytina Subdivision cycadophytina
We found 1 definitions of subdivision cycadophytina from 1 different sources.
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What does subdivision cycadophytina mean?
WordNet
Noun |
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| subdivision cycadophytina - 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) | ||
| Cycadopsida, class Cycadopsida, Cycadophytina, subdivision Cycadophytina, Cycadophyta, subdivision Cycadophyta | ||
| class elegance in dress or behavior; "she has a lot of class" | ||
| class gymnospermae, division gymnospermophyta, gymnospermae, gymnospermophyta plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina (class Gnetopsida) and Coniferophytina (class Coniferopsida); in some classifications the Coniferophytina are divided into three groups: Pinophytina (class Pinopsida) and Ginkgophytina (class Ginkgopsida) and Taxophytina (class Taxopsida) | ||
| cycadales, order cycadales primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms | ||
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