Vi fant 1 definisjoner av pteridospermopsida på engelsk.
Noun |
||
| Pteridospermopsida - extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies | ||
| class Pteridospermopsida | ||
| 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) | ||