class Pteridospermopsida
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-> class Pteridospermopsida
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class Pteridospermopsida Definition
(n)
extinct
gymnosperms
most
of
Carboniferous
to
Jurassic
:
seed
ferns
and
allies
class Pteridospermopsida Synonyms
class Pteridospermopsida
Pteridospermopsida
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