A1R1C3H4O1S1A1U1R1
14 points
ARCHOSAUR is validvalid
any of a certain subclass of reptiles which includes dinosaurs and modern crocodilians
any of a subclass of reptiles comprising pterosaurs, dinosaurs and crocodilians
any of a certain subclass of reptiles which includes dinosaurs and modern crocodilians
any of a subclass of reptiles comprising pterosaurs, dinosaurs and crocodilians