Pteridospermopsida

ریشه

Derived from Greek 'pteris' meaning fern, 'sperma' meaning seed, and 'opsida' meaning appearance.

مثال

• Pteridospermopsida is a class within the Pteridospermaphyta division.
• The Pteridospermopsida class includes various extinct seed ferns.
• Pteridospermopsida provides insights into the evolution of seed plants.

ترکیب‌های رایج

Extinct Pteridospermopsida Pteridospermopsida class Pteridospermopsida species Pteridospermopsida fossils