Subclass Anapsida (Noun)
Meaning
Oldest known reptiles; turtles and extinct Permian forms.
Classification
Nouns denoting animals.
Examples
- The subclass Anapsida is one of the most ancient groups of reptiles to have existed, with fossil records dating back to the Middle to Late Permian period.
- The subclass Anapsida is characterized by the absence of temporal openings in the skull, distinguishing it from other reptile groups.
- The most well-known living representatives of the subclass Anapsida are the turtles, which have retained many primitive characteristics of their ancient ancestors.
- Many extinct forms of the subclass Anapsida, such as the millerettids and the nycteroleterids, were discovered in Permian fossil deposits in South Africa and Russia.
- The subclass Anapsida was one of the dominant groups of reptiles during the Permian period, with many species adapting to a variety of terrestrial and aquatic environments.