Pterosaurs are an extinct clade of warm-blooded flying reptiles in the order Pterosauria. They existed during most of the Mesozoic: from the Late Triassic...

Anker, 2017 Alpheopsis shearmii (Alcock & Anderson, 1899) Alpheopsis tetrarthri Banner, 1956 Alpheopsis trigona (Rathbun, 1901) Alpheopsis trispinosa...

The group Diarthri was named for Pterodactylus (Ornithopterus), and Tetrarthri for Pterodactylus and Pterodactylus (Rhamphorhynchus), which itself was...