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class Pteridospermopsida
Noun
extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
synonym
Pteridospermopsida
holo member
class Gymnospermae
division Gymnospermophyta
Gymnospermae
Gymnospermophyta
hypernym
class
mero member
Cycadofilicales
Lyginopteridales
order Cycadofilicales
order Lyginopteridales
class Pteridospermopsida vs Pteridospermopsida
class Pteridospermopsida vs class
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