archosauria

noun

Meaning

A major group of diapsid amniotes that includes all living crocodilians and birds, as well as their extinct relatives like dinosaurs and pterosaurs.

Examples

  • Paleontologists study Archosauria to understand how these animals survived the mass extinction event at the end of the Triassic period.
  • The classification of Archosauria has been refined significantly as scientists discover more fossilized remains of early ancestors.

Synonyms: archosaur