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Pteridospermopsida   Listen
Pteridospermopsida

noun
1.
Extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies.  Synonym: class Pteridospermopsida.






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Words linked to "Pteridospermopsida" :   class Gymnospermae, Lyginopteridales, division Gymnospermophyta, class, Cycadofilicales, Gymnospermae, order Cycadofilicales, Gymnospermophyta, order Lyginopteridales



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