gigantoraptor, a genus of giant oviraptorosaurian theropod dinosaur from the cretaceous period. - 古生物學 幅插畫檔、美工圖案、卡通及圖標動物的蛋, 獸腳亞目食肉恐龍
a large glyptodon stands near the edge of a stream. glyptodons were giant cousins of the armadillo that lived in south and central america during the last ice age. - 古生物學 幅插畫檔、美工圖案、卡通及圖標
arthropleura armata is an extinct millipede from the late carboniferous of europe. - 古生物學 幅插畫檔、美工圖案、卡通及圖標千足蟲, 石炭紀, 史前時代
portrait of a male homo erectus, prehistoric ancestor that lived around 1.8 million years ago, black background - 古生物學 幅插畫檔、美工圖案、卡通及圖標
a herd of argentinosaurus dinosaurs walk towards more fertile vegetation to eat, and water to drink. - 古生物學 幅插畫檔、美工圖案、卡通及圖標恐龍
a carnivorous allosaurus in a deadly battle with a diplodocus dinosaur at dawn. - 古生物學 幅插畫檔、美工圖案、卡通及圖標梁龍
pterosaurs above a volcanic landscape during the cretaceous-paleogene extinction event. - 古生物學 幅插畫檔、美工圖案、卡通及圖標恐龍
a pair of tyrannosaurus rex dinosaurs ready to make a meal of a dead triceratops. - 古生物學 幅插畫檔、美工圖案、卡通及圖標恐龍
an asteroid hitting the earth, marking the end of velafrons and all dinosaurs. - 古生物學 幅插畫檔、美工圖案、卡通及圖標
tyrannosaurus rex and pteranodons watch a meteorite impact in yucatan, mexico, that created chicxulub crater and induced the end of dinosaurs. - 古生物學 幅插畫檔、美工圖案、卡通及圖標隕石坑
the megalodon shark is an extinct megatoothed shark that existed in prehistoric times, from the oligocene to the pleistocene epochs. - 古生物學 幅插畫檔、美工圖案、卡通及圖標
the adams wholly mammoth skeleton (mammuthus primigenius) - 19th century - 古生物學 幅插畫檔、美工圖案、卡通及圖標長毛象, 19世紀風格