Pteranodon

Pteranodon longiceps is a common species of pterosaur found across North America during the late Cretaceous period 86-85.4 mya. Pteranodon males were much larger than females at a wingspan of about 7 to 9 metres long. Pteranodon was mainly a fish hunter while rarely hunting small animals. Pteranodon was the largest pterosaur of it's time.

Trivia

 * Pterosaurs did not posess pointed wingtips.
 * Pteranodon was discovered by Marsh in 1876.
 * Pteranodon is the only pterosaur on the show.
 * Pteranodon was very fast at bursting speeds of up to 180 kph.
 * Pteranodon was a toothless pterosaur.

In the series...
Several pteranodon were seen flying around in prehistoric washington dc and denver.