illustration of pterodaustro, with narrow, bristle-like teeth on lower mandible, and large wings - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
head reconstruction of andalgalornis steulleti, a flightless predatory bird from the late miocene, early pliocene of argentina. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
illustration of plesiosaurus skull with arrows showing direction of air inhaled in through mouth and exhaled through nostrils - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
historical scientific diagram displaying the elongated and slender jawbone of a prehistoric toothed bird viewed from above - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
metriorhynchus was a marine reptile similar to our present day crocodile and lived in the jurassic period. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
3d rendering of an allosaurus dinosaur skeleton, side view. allosaurs were large carnivorous reptiles that lived during the late jurassic period. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
wildlife, suidae, pigs, skull of wild boar, teeth upper jaw, foot, vintage illustration, 19th century - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
the palate of the marine reptile placodus was characterized by large, flat, rectangular teeth covering most of the roof of the mouth, designed for crushing the hard shells of its mollusk diet - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標游泳
natural history, skull of big-headed turtle (platysternon megacephalum) is a species of turtle in the family platysternidae, victorian, vintage illustration 19th century - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
torvosaurus is a large theropod dinosaur that lived during the late jurassic period in north america and portugal. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
eudimorphodon, a pterosuar from the late triassic period with a diamond shaped tail. - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標
illustration of sperm whale (physeter macrocephalus or physeter catodon), head showing sharp, conical teeth - 動物顎骨 幅插畫檔、美工圖案、卡通及圖標