Deinosuchus is a giant crocodilian, related to alligators, from the Cretaceous Period.


Deinosuchus could grow up to 12 meters long and weighed approximately 8.5 tonnes. The females were more dominant than the males.

Incursions and encounters

Fire And Water

A pair came through an Anomaly to present day Maidenhead during the flooding and they started mating. In order to deal with the situation, Connor Temple and Abby Maitland lured them to shallower water, using aerosols, while Becker and his man darted them with tranquilisers. The Deinosuchus were then held in Oliver Leek's Creature Prison. It is unknown if they are still in the present or they were returned to their time as they were never seen or mentioned again.


  • Deinosuchus means Terrible Crocodile.
  • Despite being kept in the present, the Deinosuchus pair never appeared in the TV series. It is possible that they were returned off screen.
  • Deinosuchus appeared in Walking With Dinosaurs and Prehistoric Park, also produced by Impossible Pictures.

Wikipedia has a more detailed and comprehensive article on Deinosuchus!