an euoplocephalus hits t-rex's foot by its mace like tail in self-defense. - paleobiology stock illustrations
tyrannosaurus rex, a genus of coelurosaurian theropod dinosaur of the upper cretaceous period. - paleobiology stock illustrations
a volcanic eruption destroys the hunting grounds of tyrannosaurus rex. - paleobiology stock illustrations
a tyrannosaurus rex eats the carrion of a dead triceratops in prehistoric wetlands. - paleobiology stock illustrations
two herrerasaurus chasing a silesaurus down a stream in the triassic period. two plateosaurus are in the background. - paleobiology stock illustrations
elasmosaurus platyurus, a prehistoric dinosaur from the cretaceous period. - paleobiology stock illustrations
an acrocanthosaurus roams an early cretaceous north america on the shores of the mid-continent sea around arkansas. - paleobiology stock illustrations
a pair of tyrannosaurus rex dinosaurs ready to make a meal of a dead triceratops. - paleobiology stock illustrations
a rapetosaurus is feeding from conifers leaf, with some rahonavis on it's back and newborn majungasaurus babies in their nest. - paleobiology stock illustrations
three eudimorphodons fly above a group of coelophysis in an autumn forest. - paleobiology stock illustrations
herd of argentinosaurus and deinocheirus dinosaurs with a flock of anhanguera above. - paleobiology stock illustrations
phorusrhacos, smilodons and macrauchenia in ancient argentina 2 million years ago. - paleobiology stock illustrations
a spinosaurus hunting an onchopristis while two carcharodontosaurus eat the carcass ouranosaurus in the background.. - paleobiology stock illustrations
euoplocephalus tutus, a prehistoric era dinosaur from the late cretaceous period. - paleobiology stock illustrations
the megalodon shark is an extinct megatoothed shark that existed in prehistoric times, from the oligocene to the pleistocene epochs. - paleobiology stock illustrations
trilobites try to hide from predator opabinia in a cambrian sea full of stromatolites. - paleobiology stock illustrations
two anhanguera reptiles fly above as a kaprosuchus reptile confronts an agustinia dinosaur. - paleobiology stock illustrations
coelacanth fish was thought to be extinct but several living specimens have found to still exist in tropical seas. - paleobiology stock illustrations
a school of lemonpeel angelfish swim together for protection from plesiosaurus dinosaurs. - paleobiology stock illustrations
tarbosaurus bataar, a prehistoric era dinosaur from the late cretaceous period. - paleobiology stock illustrations
sail-backed dimetrodons, alive during earth's permian period of time. - paleobiology stock illustrations
velociraptor mongoliensis, a prehistoric era dinosaur fromthe cretaceous period. - paleobiology stock illustrations
illustration of a mosasaurus from the cretaceous period of prehistoric times. - paleobiology stock illustrations
plesiosaurus dinosaurs swim together in jurassic seas to find their next prey. - paleobiology stock illustrations
three pteranodon flying reptiles watch as a herd of brachiosaurus dinosaurs travel near a canyon mountain. - paleobiology stock illustrations
a cretaceous acrocanthosaurus observing a tenontosaurus being attacked by a group of deinonychus. - paleobiology stock illustrations
tiktaalik roseae is an extinct lobe-finned fish from the late devonian of canada. - paleobiology stock illustrations
a miragaia dinosaur bellows in protest as three others try to join him in the marsh. three dorygnathus pterosaurs fly overhead. - paleobiology stock illustrations
deinonychus is a carnivorous dinosaur from the early cretaceous period. - paleobiology stock illustrations
carnotaurus attacking an antarctopelta from the late cretaceous period. - paleobiology stock illustrations
3d rendering of a diplodocus dinosaur skeleton, side view. diplodocus was a giant herbivorous dinosaur of the late jurassic period. - paleobiology stock illustrations
apatosaurus excelsus, a prehistoric era dinosaur from the jurassic period. - paleobiology stock illustrations
two neanderthals aproaching a group of machairodontinae feeding on a woolly rhinoceros with a group of woolly mammoths on the far end. - paleobiology stock illustrations
rugops primus dinosaurs and alanqa pterosaurs mortify a dead carcass. - paleobiology stock illustrations
tapejara wellnhoferi pterosaurs seek shelter inside a cave from a rain storm. - paleobiology stock illustrations