Definition, Meaning & Synonyms

archosaur

noun
/ˈɑːrkəˌsɔːr/
Definition
A group of reptiles that includes birds and crocodilians, along with their extinct relatives, characterized by a particular arrangement of their skulls and teeth.
Examples
  • Dinosaurs are classified as archosaurs.
  • The discovery of new archosaur fossils provides insight into the evolution of these ancient reptiles.
Meaning
Archosaurs are a clade of reptiles known for their advanced features and are among the most successful vertebrate groups in terms of diversity and adaptability.
Synonyms
  • reptile
  • crocodilian
  • avian