Class Pteridospermopsida (Noun)
Meaning
Extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies.
Classification
Nouns denoting plants.
Examples
- The Class Pteridospermopsida is a group of extinct gymnosperms that dominated the Earth's flora during the Carboniferous to Jurassic periods.
- Pteridospermopsida, also known as seed ferns, were characterized by their fern-like foliage and seed-bearing structures.
- The discovery of Pteridospermopsida fossils in the coal deposits of the Carboniferous period provided valuable insights into the evolution of seed plants.
- Pteridospermopsida were among the first plants to produce seeds, a characteristic that allowed them to thrive in a variety of environments.
- The Pteridospermopsida class includes several extinct orders, such as the Medullosales and the Lyginopteridales, which were once thought to be distinct groups of plants.