edmontosaurus annectens, a saurolophine hadrosaur from the maastrichtian (late cretaceous) of north america. - 古動物學 幅插畫檔、美工圖案、卡通及圖標恐龍
two herrerasaurus chasing a silesaurus down a stream in the triassic period. two plateosaurus are in the background. - 古動物學 幅插畫檔、美工圖案、卡通及圖標恐龍, 古老的, 史前時代
a saber-toothed cat tries to drive a short-faced bear out of its territory. the bear is annoyed and roars back in retaliation. - 古動物學 幅插畫檔、美工圖案、卡通及圖標劍齒虎, 冰河時代, 起源
the saber-tooth cat, also called smilodon, with dagger like front canine teeth. - 古動物學 幅插畫檔、美工圖案、卡通及圖標劍齒虎
3d illustration of woolly mammoth skeleton, side view on white background. - 古動物學 幅插畫檔、美工圖案、卡通及圖標動物骨架, 人類骨架, 長毛象
an inostrancevia alexandri attacks a scutosaurus karpinski in prehistoric times. - 古動物學 幅插畫檔、美工圖案、卡通及圖標
phorusrhacos, smilodons and macrauchenia in ancient argentina 2 million years ago. - 古動物學 幅插畫檔、美工圖案、卡通及圖標
tiktaalik roseae is an extinct lobe-finned fish from the late devonian of canada. - 古動物學 幅插畫檔、美工圖案、卡通及圖標泥盆紀
animals and floral life from the burgess shale formation of the cambrian period. - 古動物學 幅插畫檔、美工圖案、卡通及圖標前寒武紀, 三葉蟲
trilobites try to hide from predator opabinia in a cambrian sea full of stromatolites. - 古動物學 幅插畫檔、美工圖案、卡通及圖標
plesiosaurus dinosaurs swim together in jurassic seas to find their next prey. - 古動物學 幅插畫檔、美工圖案、卡通及圖標蛇頸龍
gigantoraptor, a genus of giant oviraptorosaurian theropod dinosaur from the cretaceous period. - 古動物學 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. - 古動物學 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. - 古動物學 幅插畫檔、美工圖案、卡通及圖標千足蟲, 石炭紀, 史前時代
a herd of argentinosaurus dinosaurs walk towards more fertile vegetation to eat, and water to drink. - 古動物學 幅插畫檔、美工圖案、卡通及圖標恐龍
