a pair of carnivorous spinosaurus hunting for fish during the cretaceous period. - 動物脊柱 幅插畫檔、美工圖案、卡通及圖標恐龍
a cretaceous acrocanthosaurus observing a tenontosaurus being attacked by a group of deinonychus. - 動物脊柱 幅插畫檔、美工圖案、卡通及圖標平衡恐爪龍
a miragaia dinosaur bellows in protest as three others try to join him in the marsh. three dorygnathus pterosaurs fly overhead. - 動物脊柱 幅插畫檔、美工圖案、卡通及圖標
3d rendering of a diplodocus dinosaur skeleton, side view. diplodocus was a giant herbivorous dinosaur of the late jurassic period. - 動物脊柱 幅插畫檔、美工圖案、卡通及圖標
3d rendering of a tyrannosaurus rex dinosaur skeleton. t-rex was one of the largest carnivorous dinosaurs of the cretaceous period. - 動物脊柱 幅插畫檔、美工圖案、卡通及圖標人體骨骼, 動物骨架
front view of hip, limbs and hands of human skeletal system, black background. - 動物脊柱 幅插畫檔、美工圖案、卡通及圖標
dimetrodon limbatus, a prehistoric animal that lived during the early permian stage of the paleozoic era. - 動物脊柱 幅插畫檔、美工圖案、卡通及圖標
