helicoprion and xenacanthus, prehistoric sharks, chromolithograph, published in 1900 - 古生代 幅插畫檔、美工圖案、卡通及圖標鯊魚, 圖畫 - 藝術品, 海洋生物
western hemisphere of the earth during the early jurassic period. - 古生代 幅插畫檔、美工圖案、卡通及圖標板塊構造, 非洲 - 地理位置, 星球
an inostrancevia alexandri attacks a scutosaurus karpinski in prehistoric times. - 古生代 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. - 古生代 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. - 古生代 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. - 古生代 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. - 古生代 幅插畫檔、美工圖案、卡通及圖標千足蟲, 石炭紀, 史前時代
planet earth 600 million years ago following the cryogenian period. - 古生代 幅插畫檔、美工圖案、卡通及圖標冰河時代, 地球, 星球
carboniferous plants and animals of the eastern united states circa 300 million years ago. - 古生代 幅插畫檔、美工圖案、卡通及圖標石炭紀, 泥盆紀, 兩隻動物
two neanderthals aproaching a group of machairodontinae feeding on a woolly rhinoceros with a group of woolly mammoths on the far end. - 古生代 幅插畫檔、美工圖案、卡通及圖標冰河時代, 真猛獁象, 冰川
holoptychius nobilissimus, tulerpeton and moythomasia, all prehistoric fish from the devonian period. - 古生代 幅插畫檔、美工圖案、卡通及圖標古老的, 恐龍
rugops primus dinosaurs and alanqa pterosaurs mortify a dead carcass. - 古生代 幅插畫檔、美工圖案、卡通及圖標恐龍, 鱷魚, 動物骨架
illustration of ichthyostega forelimb showing phalanges, ulna, radius, humerus, carpals, metacarpals - 古生代 幅插畫檔、美工圖案、卡通及圖標
opabinia is a small predator of cambrian seas and hunted worms and soft bodied prey with its proboscis. - 古生代 幅插畫檔、美工圖案、卡通及圖標
rhizodus hibberti, an extinct group of carboniferous predatory lobe-finned fish. - 古生代 幅插畫檔、美工圖案、卡通及圖標石炭紀, 海洋生物
