class_pteridospermopsida | ||
1. | [ noun ] (biology,botany) extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies | |
Synonyms: | Pteridospermopsida | |
Related terms: | class Gymnospermae Cycadofilicales | |
class_pteridospermopsida | ||
1. | [ noun ] (biology,botany) extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies | |
Synonyms: | Pteridospermopsida | |
Related terms: | class Gymnospermae Cycadofilicales | |