"Flying reptiles" refers to reptiles that are capable of flying, just like birds or bats can. These reptiles have wings or other structures that enable them to glide or soar through the air. Full definition
This rules out other animals with a backbone known from this geological period, including mammals, birds and even flying reptiles. (sciencedaily.com)
A group of flying reptiles called Quetzalcoatlus may have strolled along a fern prairie eating baby dinosaurs for lunch. (livescience.com)
In its wake arose a group of egg - laying reptile precursors called archosaurs, the common ancestors of dinosaurs, flying reptiles known as pterosaurs, and crocodiles. (sciencemag.org)