Tylosaurus (from the ancient Greek τυλος (tylos) "protuberance, knob" + Greek σαυρος (sauros) "lizard") was a mosasaur, a large, predatory marine reptile closely related to modern monitor lizards and to snakes, from the Late Cretaceous.
The Animated Documentary Series was based on the other documentary dinosaur tv shows which is Walking with Dinosaurs, Dinosaur Planet, Planet Dinosaur, and Dinosaur Revolution. featuring 22 episodes
