Sphenopsida (Noun)
Meaning
Horsetails and related forms.
Classification
Nouns denoting plants.
Examples
- The Sphenopsida is a class of vascular plants that includes the modern horsetails and their extinct relatives.
- Fossil records indicate that the Sphenopsida were a diverse group during the Devonian and Carboniferous periods.
- The Sphenopsida are characterized by their hollow, jointed stems and whorled leaves, which are often arranged in a distinctive pattern.
- Some extinct members of the Sphenopsida, such as Calamites, were tree-like and reached heights of over 10 meters.
- The Sphenopsida are often found in fossilized form in coal deposits, where they are preserved alongside other ancient plant species.