a pair of velociraptors patrol the shore of an ancient lake looking for their next meal. - 古生物學 幅插畫檔、美工圖案、卡通及圖標恐龍
a volcanic eruption destroys the hunting grounds of tyrannosaurus rex. - 古生物學 幅插畫檔、美工圖案、卡通及圖標暴龍, 火山, 史前時代
glyptotherium arizonae, a glyptodontid from the pleistocene megafauna of north america. - 古生物學 幅插畫檔、美工圖案、卡通及圖標
a dodo bird hides in a dense jungle near a stream filled with large mossy boulders. - 古生物學 幅插畫檔、美工圖案、卡通及圖標史前時代
tyrannosaurus rex, a genus of coelurosaurian theropod dinosaur of the upper cretaceous period. - 古生物學 幅插畫檔、美工圖案、卡通及圖標暴龍, 恐龍, 側視
a tyrannosaurus rex eats the carrion of a dead triceratops in prehistoric wetlands. - 古生物學 幅插畫檔、美工圖案、卡通及圖標暴龍, 草食動物, 白堊紀
a pair of carnivorous allosaurus dinosaurs confront a giant diplodocus sauropod during earth's jurassic period of time. - 古生物學 幅插畫檔、美工圖案、卡通及圖標梁龍, 異特龍, 恐龍
tyrannosaurus rex dinosaurs escaping the heat and fire of a big meteorite crash. - 古生物學 幅插畫檔、美工圖案、卡通及圖標恐龍
an acrocanthosaurus roams an early cretaceous north america on the shores of the mid-continent sea around arkansas. - 古生物學 幅插畫檔、美工圖案、卡通及圖標高棘龍屬
artist's concept showing how the surface of earth appeared during the hadean eon. - 古生物學 幅插畫檔、美工圖案、卡通及圖標地球, 起源, 熔岩
ludodactylus sibbicki, a pterosaur from the lower cretaceous crato formation of brazil. - 古生物學 幅插畫檔、美工圖案、卡通及圖標翼手龍, 動物翅膀
a large beelzebufo ampinga frog from madagascar eating a small masiakasaurus dinosaur. - 古生物學 幅插畫檔、美工圖案、卡通及圖標青蛙, 暴力, 動物
illustration of 19th century paleontologist mary anning with collection of fossils - 古生物學 幅插畫檔、美工圖案、卡通及圖標化石, 古老的, 古生物學家
a pair of carnivorous spinosaurus hunting for fish during the cretaceous period. - 古生物學 幅插畫檔、美工圖案、卡通及圖標恐龍
