English dictionary
pteridospermopsida meaning and definition
Definition and meaning of pteridospermopsida at MeaningMonkey.org. pteridospermopsida meaning and definition in the English Dictionary.PTERIDOSPERMOPSIDA noun
Definition of Pteridospermopsida (noun)
- extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
- synonyms: class Pteridospermopsida
Source: Princeton University Wordnet