archosaur

From translingual Archosauria (“taxonomic division of extinct reptiles”), from Ancient Greek ἄρχων (árkhōn, “leader”) + σαύρα (saúra, “lizard”).

archosaur (plural archosaurs)

1. A reptile of the taxon Archosauria, which includes modern crocodilians and birds, as well as the extinct pterosaurs, non-avian dinosaurs and other taxa.
   • 2012, Winand Brinkmann, Kenneth De Baets, editors, Paleontological Museum of the University of Zürich: Exhibition Guide, Paleontological Institute and Museum of the University of Zürich, →ISBN, page 77:

     The predominance of archosaurs over other reptiles might be a consequence of their more advanced mode of locomotion compared with their relatives.

• See also Thesaurus:archosaur