coelacanth fish was thought to be extinct but several living specimens have found to still exist in tropical seas. - 古生態學 幅插畫檔、美工圖案、卡通及圖標史前時代
a miragaia dinosaur bellows in protest as three others try to join him in the marsh. three dorygnathus pterosaurs fly overhead. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
a pair of carnivorous tarbosaurus dinosaurs running towards a pinacosaurus armored dinosaur. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
coelophysis was a bipedal predatory dinosaur that lived during the triassic period of north america. - 古生態學 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. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
overhead view of the predatory onchopristis sawfish from the cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
three pteranodon flying reptiles watch as a herd of brachiosaurus dinosaurs travel near a canyon mountain. - 古生態學 幅插畫檔、美工圖案、卡通及圖標侏儸紀, 翼手龍
two neanderthals aproaching a group of machairodontinae feeding on a woolly rhinoceros with a group of woolly mammoths on the far end. - 古生態學 幅插畫檔、美工圖案、卡通及圖標冰河時代, 真猛獁象, 冰川
carcharodontosaurus iguidensis, a prehistoric era dinosaur from the cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
a large nothosaurus aquatic reptile preys on shonisaurus ichthyosaurs in triassic seas. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
sarcosuchus is an extinct genus of carnivorous crocodile that lived during the cretaceous period of africa. - 古生態學 幅插畫檔、美工圖案、卡通及圖標鱷魚, 史前時代
rugops primus dinosaurs and alanqa pterosaurs mortify a dead carcass. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍, 鱷魚, 動物骨架
tapejara wellnhoferi pterosaurs seek shelter inside a cave from a rain storm. - 古生態學 幅插畫檔、美工圖案、卡通及圖標翼手龍, 站姿
at the end of the age of dinosaurs, a lone tyrannosaurus rex scavenges while a quetzalcoatlus watches from above, hoping for leftovers. - 古生態學 幅插畫檔、美工圖案、卡通及圖標生物, 恐龍, 史前時代
a grouo of scelidosaurus, nothronychus and argentinosaurus dinosarus grazing on trees and leaves. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍
dapedius is an extinct species of primitive ray-finned fish from the triassic and jurassic periods. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
an old bison latifrons falls behind in a winter landscape during the north american pleistocene epoch. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
american mastodon (mammut americanum) from the pleistocene epoch of north america - 古生態學 幅插畫檔、美工圖案、卡通及圖標
archelon ischyros turtle pictured with saurornitholestes, ichthyornis and claosaurus affinis. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
microraptor was a flying dinosaur that lived during the cretaceous period of china. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
a huge armored dinosaur, ankylosaurus was a herbivore from the cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標甲龍屬
eurohippus is one of the ancestors of the modern horse and lived in the eocene period in tropical forests of europe. - 古生態學 幅插畫檔、美工圖案、卡通及圖標侏儸紀
a plesiosaurus captures a eurhinosaurus marine reptile in a sea cave off the coast of jurassic seas. - 古生態學 幅插畫檔、美工圖案、卡通及圖標蛇頸龍, 恐龍
a pod of eurhinosaurus marine reptiles try to evade the much larger liopleurodon in jurassic seas. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
