an euoplocephalus hits t-rex's foot by its mace like tail in self-defense. - 古生態學 幅插畫檔、美工圖案、卡通及圖標甲龍屬, 暴龍, 恐龍
a volcanic eruption destroys the hunting grounds of tyrannosaurus rex. - 古生態學 幅插畫檔、美工圖案、卡通及圖標暴龍, 火山, 史前時代
tyrannosaurus rex, a genus of coelurosaurian theropod dinosaur of the upper cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標暴龍, 恐龍, 側視
a tyrannosaurus rex eats the carrion of a dead triceratops in prehistoric wetlands. - 古生態學 幅插畫檔、美工圖案、卡通及圖標暴龍, 草食動物, 白堊紀
an acrocanthosaurus roams an early cretaceous north america on the shores of the mid-continent sea around arkansas. - 古生態學 幅插畫檔、美工圖案、卡通及圖標高棘龍屬
two herrerasaurus chasing a silesaurus down a stream in the triassic period. two plateosaurus are in the background. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍, 古老的, 史前時代
an inostrancevia alexandri attacks a scutosaurus karpinski in prehistoric times. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
phorusrhacos, smilodons and macrauchenia in ancient argentina 2 million years ago. - 古生態學 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. - 古生態學 幅插畫檔、美工圖案、卡通及圖標泥盆紀
trilobites try to hide from predator opabinia in a cambrian sea full of stromatolites. - 古生態學 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. - 古生態學 幅插畫檔、美工圖案、卡通及圖標蛇頸龍
a pair of tyrannosaurus rex dinosaurs ready to make a meal of a dead triceratops. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍
the megalodon shark is an extinct megatoothed shark that existed in prehistoric times, from the oligocene to the pleistocene epochs. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
a spinosaurus hunting an onchopristis while two carcharodontosaurus eat the carcass ouranosaurus in the background.. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍, 鯊魚, 古老的
a rapetosaurus is feeding from conifers leaf, with some rahonavis on it's back and newborn majungasaurus babies in their nest. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍, 泰坦巨龍類
minmi paravertebra, a prehistoric era dinosaur from the early cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍
two anhanguera reptiles fly above as a kaprosuchus reptile confronts an agustinia dinosaur. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
velociraptor mongoliensis, a prehistoric era dinosaur fromthe cretaceous period. - 古生態學 幅插畫檔、美工圖案、卡通及圖標羽毛
carboniferous plants and animals of the eastern united states circa 300 million years ago. - 古生態學 幅插畫檔、美工圖案、卡通及圖標石炭紀, 泥盆紀, 兩隻動物
a cretaceous acrocanthosaurus observing a tenontosaurus being attacked by a group of deinonychus. - 古生態學 幅插畫檔、美工圖案、卡通及圖標平衡恐爪龍
irritator challengeri lets out a loud roar while walking along a cretaceous shoreline. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍, 海灘
dreadnoughtus is a sauropod dinosaur from the late cretaceous period of argentina. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
herd of argentinosaurus and deinocheirus dinosaurs with a flock of anhanguera above. - 古生態學 幅插畫檔、美工圖案、卡通及圖標恐龍
tarbosaurus bataar, 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
a school of lemonpeel angelfish swim together for protection from plesiosaurus dinosaurs. - 古生態學 幅插畫檔、美工圖案、卡通及圖標
