Mesosaurus, Permian Freshwater Reptile Protoceratops They were the dominant predator

They were the dominant predator of the Cretaceous Age which ended about 65 million years ago

Back parts of the roof of the mouth and the inside of the lower jaw held dense batteries of peg-like teeth

The left fibula is preserved on the main slab

omnivorous or herbivorous dinosaurs from the Cretaceous Period of Laurasia (now Asia

Mesosaurus, Permian Freshwater Reptile Protoceratops They were the dominant predatorBeautiful plaque preserving a unique water dwelling early reptile form. Known from only South America and Africa, this distribution of Mesosaurus supports the understanding that these great continents were once joined together; Mesosaurus could easily swim rivers from one continent to another but salty oceans would have thwarted the freshwater creature from crossing an existing ocean. Mesosaurus sp. Early Permian (280 m. y. a.) Irati Formation Sao