- archosaur, archosaurian, archosaurian reptile - extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
--1 is a kind of diapsid, diapsid reptile
--1 is a member of Archosauria, subclass Archosauria
--1 has particulars:dinosaur; pterosaur, flying reptile; thecodont, thecodont reptile; ichthyosaur; plesiosaur, plesiosaurus; nothosaur