Search Result：class pteridospermopsida
class pteridospermopsida 
(TTS Sound)
(TTS Sound)Overview of noun class_pteridospermopsida
The noun class pteridospermopsida has 1 sense
- Pteridospermopsida, class Pteridospermopsida -- (extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies)