aggressive tyrannosaurus rex dinosaur growling at another t-rex that is running away in a green mountain landscape. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
two spinosaurus dinosaurs confront each other face to face in a prehistoric environment. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標棘龍屬
the mesosaurus was a carnivorous aquatic reptile from the early permian of africa and south america. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
kelenken is an extinct genus of giant flightless predatory birds that are called terror birds from the miocene epoch. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
kaprosuchus is an extinct genus of crocodile from the upper cretaceous of niger, africa. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
kaprosuchus is an extinct genus of crocodile from the upper cretaceous of niger, africa. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標鱷魚, 史前時代, 剪裁圖
eudimorphodon, a pterosuar from the late triassic period with a diamond shaped tail. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
dorygnathus, a genus of pterosaur that lived in europe and germany during the jurassic period. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
a hapless plesiosaurus becomes a meal for the much larger liopleurodon aquatic reptile. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
two dilophosaurus run for their lives as a gigantic torvosaurus chases after them. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
torvosaurus is a large theropod dinosaur that lived during the late jurassic period in north america and portugal. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
tyranosaurus rex, a large carnivore of the cretaceous period in north america. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
tyrannosaurus rex dinosaur skeleton. t-rex was an intimidating predator that lived in north america during the cretaceous period. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
tyranosaurus rex, a large carnivore of the cretaceous period in north america. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
tyranosaurus rex, a large carnivore of the cretaceous period in north america. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
tyranosaurus rex, a large carnivore of the cretaceous period in north america. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
suchomimus was a large spinosaurid dinosaur with a crocodilian-like set of jaws. it lived during the cretaceous period in africa, when the sahara was a lush swampy habitat. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
stenopterygius was an icthyosaur from the jurassic period, similar to today's dolphin. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
metriorhynchus was a marine reptile similar to our present day crocodile and lived in the jurassic period. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
hupehsuchus was a small genus of marine reptile found in china and lived during the triassic period. it may be related to the ichthyosaur reptiles. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
eurhinosaurus is an extinct genus of ichthyosaur from the early jurassic of europe. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
woman looking at model of juvenile t-rex skeleton, at the berkshire museum in pittsfield, ma - 動物顎骨 個照片及圖片檔
