The river system was also home to a giant, car-sized coelacanth, a monster sawfish, and the skies over the river system were filled with pterosaurs, flying reptiles.

Sort of a timeline, very non-linear scale, nature rates and trilobites and dinosaurs, and eventually we saw some humans with caves ... Birds were flying overhead, after pterosaurs.

But the series also reveals the other creatures that they shared the world with,two episodes are mainly focused on two different kinds of animals, the flying Pterosaurs and the marine reptiles that lived beneath the waves.

Pterosaurs in sentence

Related words