Pterodactylus (/ˌtɛrəˈdæktᵻləs/ TERR-ə-DAK-til-əs, from the Greek πτεροδάκτυλος, pterodaktulos, meaning "winged finger") is a genus of pterosaurs, whose members are popularly known as pterodactyls ( /ˌtɛrəˈdæktᵻlz/). It is currently thought to contain only a single species, Pterodactylus antiquus, the first pterosaur species to be named and identified as a flying reptile.