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.
Walking with Dinosaurs (Redux) is the reboot version of Walking with Dinosaurs the BBC America's television series that must be a sequel to Walking with Monsters: Life Before Dinosaurs. But not only that it includes 16 episodes.
