Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun class_pteridospermopsida

1 sense of class pteridospermopsida

Sense 1
Pteridospermopsida, class Pteridospermopsida -- (extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies)
       => class -- ((biology) a taxonomic group containing one or more orders)