Dimetrodon was an extinct genus of synapsid from th Early Permian period A herd of Brachiosaurus travel near a canyon mountain Two Geosternbergia pterosaurs fighting over small fish Artwork of Caudipteryx sp., a bird-like dinosaur An Edmarka rex finds out that his nest has died due to flooding of the forest Dimorphodon reptiles fly over a herd of Mamenchisaurus dinosaurs Neanderthals hunt a cave bear 3D rendering of a Tyrannosaurus Rex dinosaur skeleton Diabloceratops was a ceratopsian dinosaur from the Cretaceous Period Houses in Paris, Place Ravignan A carnivorous Suchomimus wanders a beach on the ancient Tethys Ocean Two Stegouros Elengassen Dinosaurs Fighting A Collection Of Herbivorous Sauropod Dinosaurs Who Have Long Necks And Tails Tyrannosaurus Rex attacking two Struthiomimus dinosaurs A Stegosaurus is surprised by an Allosarous while feeding in a lush gorge T-Rex Head With Open Mouth, Isolated On White Background Houses And Ships Boat And Lighthouse A Plesiopleurodon jumps out of the water, attacking an Ornithocheirus A T-Rex plans his attack on a herd of Parasaurolophus dinosaurs Two Herrerasaurus dinosaurs chasing a Silesaurus down a stream 3D rendering of a Tyrannosaurus Rex dinosaur skeleton Confrontation between two Tyrannosaurus Rex and a Coahuilaceratops Brain anatomy Full Skeleton 3D Rendering Of Tyrannosaurus Rex Dinosaur T-Rex Fighting A Group Of Triceratops A Pair Of Carnotaurus Dinosaurs Chasing A Group Of Gasparinisaura Coloured SEM of a fertilized human egg (zygote) A carnivorous Allosaurus in a deadly battle with a Diplodocus dinosaur at dawn. A Sailing Ship Belize, Toledo, Lubaantun, Maya ruins A Suchomimus snags a shark from a lush estuary Apatosaurus dinosaurs being chased by a Spinosaurus, who are known to be good swimmers. Two Sailing Boats Tyrannosaurus Rex and Triceratops meet for a battle to the death Adult Mamenchisaurus escort a youngster across a river as Pterodactylus search for prey. A mighty T. Rex roars from overhead as a giant fireball falls from the sky A Spinosaurus searches for its next meal A baby Tyrannosaurus Rex roars while safely standing between it's mother's legs Baryonyx walkeri fishing while a Pelecanimimus observes from the other side An Euoplocephalus hits T-Rex's foot with its mace-like tail in self-defense Stages in female human evolution Apatosaurus dinosaur swimming away from Spinosaurus. Pencil drawing illustrating various dinosaurs and their comparative sizes Artist's concept of Cryolophosaurus Microraptor gui eating a small fish Cretaceous life, artwork Stages in human evolution Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 11