deinonychus was a carnivorous theropod that lived during the cretaceous period of north america. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
spinophorosaurus dinosaurs grazing the inhabited swamps of the jurassic period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
a pair of gigantspinosaurus dinosaurs roaming in the wetlands of china during the jurassic period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
three plesiosaurus dinosaurs swim near a natural coral reef bridge in shallow seas. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
jobaria, a large sauropod, is menaced by meat eating afrovenators in jurassic north africa. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍
a tyrannosaurus rex attempts to eat his triceratops kill while pteranodons harass him. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
diplocaulus is an extinct amphibious lepospondyl from the late permian of texas. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
woolly rhinoceros is an extinct mammal that lived during the pleistocene period in europe and asia. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
diplodocus was a sauropod herbivorous dinosaur that lived during the jurassic period of north america. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
utahraptor was a carnivorous dinosaur that hunted in packs during the cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
the kelenken terror bird of argentina was a flightless carnivore that lived during the miocene period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標古生物學
a group of pinacosaurus dinosaurs grazing during the cretaceous period of modern day asia. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
a group of prehistoric scaumenacia lobe-finned fish from quebec, canada in the devonian period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
pachyrhinosaurus canadensis, a prehistoric era dinosaur from the late cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
stenopterygius ichthyosaurs swimming underwater during earths jurassic period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
the marine reptile, kronosaurus, attacks a pod of dolphin-like dolichorhynchops in cretaceous seas. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍
early cretaceous marine environment in the boreal sea (westphalen, germany). - 古生態學 幅插畫檔、美工圖案、卡通及圖標白堊紀
two predatory anomalocaris invertebrates have a dispute over territorial rights. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
muttaburrasaurus langdoni in a prehistoric environment during the early cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
inostrancevia is a carnivorous reptile that lived during the permian age of russia. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍