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class Pteridospermopsida vs class Gymnospermae

class Gymnospermae vs class Pteridospermopsida

class Pteridospermopsida and class Gymnospermae both are nouns.

Word NounAdjectiveVerbAdverb
class Pteridospermopsida Yes No No No
class Gymnospermae Yes No No No
class Pteridospermopsida (noun) class Gymnospermae (noun)
extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies 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)
Difference between class Pteridospermopsida and class Gymnospermae

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