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Meaning of CLASS PTERIDOSPERMOPSIDA
WordNet Dictionary
Definition:
[n]
extinct
gymnosperms
most
of
Carboniferous
to
Jurassic
:
seed
ferns
and
allies
Websites:
Synonyms:
Pteridospermopsida
See Also:
class
,
class Gymnospermae
,
Cycadofilicales
,
division Gymnospermophyta
,
Gymnospermae
,
Gymnospermophyta
,
Lyginopteridales
,
order Cycadofilicales
,
order Lyginopteridales
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