Canada

Caypullisaurus

Caypullisaurus was a 20 foot long ichthyosaur which lived off the coast of Argentina (and possibly elsewhere) during the late Jurassic and early Cretaceous Periods 150-140 million years ago. In 1989, the front half of a skeleton of a medium-sized… Read More ›

Protosuchus

Protosuchus richardsoni was a 3 foot long primitive crocodylomorph which lived in North America during the early Jurassic Period 200-195 million years ago. Fossils of it have been found within the upper part of the Moenave Formation in northern Arizona…. Read More ›

Prognathodon

Prognathodon was a multi-speciate genus of mosasaur which lived around North America, Europe, and Africa during the Campanian and Maastrichtian Stages of the late Cretaceous Period approximately 80-66 million years ago. Prognathodon is known for possessing massively-built jaws and robust… Read More ›

Didelphodon

Didelphodon, known largely from its appearance as a background character in the final episode of the 1999 BBC series Walking with Dinosaurs, was a large prehistoric mammal which lived in North America during the late Cretaceous Period 73-66 million years… Read More ›