The pterosaurs, also known as flying reptiles, lived during the same time period as the dinosaurs. These creatures were closely related to birds and had wings made of skin. They became extinct around 66 million years ago, during the same mass extinction event that wiped out the dinosaurs.
The following animals lived at the same period as dinosaurs: birds, crocodiles, lizards, turtles, and mammals. These animals evolved during the Mesozoic era, which lasted from 252 million to 66 million years ago.
