Pterosaurs, also known as pterodactyls, are a type of prehistoric reptile that lived during the Mesozoic era. These winged creatures were believed to be the first vertebrates to develop powered flight, and they were believed to have existed in a wide range of sizes. Some synonyms for pterosaurs include pterosauria, pterodactylia, and pterosauridae. Other terms that might come up when discussing these fascinating creatures include "flying reptiles," "pterodactyl-like animals," or simply "pterosaur-like creatures." Regardless of the terminology used, it's clear that these winged reptiles continue to fascinate scientists and laypeople alike with their mysterious and awe-inspiring existence.