Pteridospermae (Noun)
Meaning
Used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales.
Classification
Nouns denoting plants.
Examples
- Pteridospermae, also known as seed ferns, were a diverse group of extinct plants with affinities to modern cycads and conifers.
- These ancient pteridospermae gymnosperms thrived during the Paleozoic Era, playing a vital role in shaping Earth's early ecosystems.
- In some classification systems, pteridospermae and cycadofilicales are used interchangeably, although the latter refers specifically to an order within the former group.
- The discovery of pteridospermae fossils in coal deposits has provided valuable insights into the evolution of plants during the Carboniferous Period.
- Several pteridospermae species, now extinct, exhibited characteristics of both ferns and conifers, making them an important area of study in paleobotany.