archosaurs
Scientific term for the clade Archosauria, which includes crocodilians, birds, dinosaurs, and pterosaurs. Used in paleontology and biology contexts.
Archosaurs diversified during the Triassic period.
Crocodilians and birds are included among living archosaurs.
From 主 (principal) + 竜 (dragon/reptile) + 類 (group/class), a calque of the scientific name Archosauria (from Greek archos 'ruling' + sauros 'lizard').