Prehistoric Era Collection (page 4)

Illustration of Heterodontosaurus ornithischian dinosaur

Illustration of Prosaurolophus hadrosaurid dinosaur

Illustration of Megalosaurus theropod dinosaur

Illustration of Polacanthus ankylosaur dinosaur

Illustration of Dryosaurus ornithopod dinosaur

Illustration of Baryonyx saurischia dinosaur

Illustration of Wannanosaurus basal pachycephalosaurian dinosaur

Illustration of Pachycephalosaurus pachycephalosaurid

Illustration of Prenocephale pachycephalosaurid dinosaur

Illustration of Deinonchus foot showing large talons

Illustration of Prenocephale dinosaurs confronting head-on

Illustration of Diplodocus sauropod dinosaur

Illustration of Herrerasaurus bipedal

Illustration of Iguanodon dinosaur

Sequence of llustrations showing how the Earth has changed from Pangaea, the crust moving with continents breaking apart, and how the world looks today

Illustration of Iguanodon ornithopod dinosaur

Illustration of Hypsilophodon ornithopod dinosaur

Illustration of Albertosaurus tyrannosaurid theropod dinosaur

Illustration of Tyrannosaurus theropod dinosaur

Illustration of Dromaeosaurus theropod dinosaur

Illustration of a Cephalaspid prehistoric fish, side view

Illustration of Segnosaurus, side view

Illustration of a Pleistocene Placental (Megatherium americanum), an early mammal

Anatomical illustration of a Pleistocene Edentate (Glyptodon reticulatus), an early mammal

Anatomical illustration of an Ammonite

Illustration of two Spinosaurus dinosaurs in prehistoric landscape

Illustration of a bipedal dinosaur running, multiple image

Illustration of a Tuojiangosaurus, a type of stegosaur, Jurassic period

Anatomical illustration of an Euparkeria, a thecodont archosaur, Triassic period

Illustration of an Erythrosuchus, a thecodont archosaur, Triassic period

Illustration of Tylosaurus, a late Cretaceous mosasaur

Illustration of a Phorusrhacus, a flightless bird, Early Miocene period

Model of landform evolution in the prehistoric era, including Quaternary, Tertiary, Cretaceous, Jurassic, Triassic, Permian, Carboniferous, Devonian, Silurian, Ordovician, Precambrian periods

Illustration of the fin of a prehistoric Fleshy-finned fish (Sarcopterygii)

Illustration of the fin of a prehistoric Ray-finned fish (Actinopterygii)

Illustration of two Ornitholestes dinosaurs, running and standing, side view

Illustration of a Panderichthys, a fish from the Devonian period

Anatomical illustration of a Cephalaspid prehistoric fish, underside of head and internal head structure

Illustration of an Eusthenopteron, a fish from the Devonian period

Illustration of a prehistoric ominivorous mammal eating a dinosaurs egg

Illustration of the skulls of four vertebrates, fleshy-finned fish (Sarcopterygii), early tetrapod, early reptile, mammal

Illustration of a group of Centrosaurs running away from carnivorous Albertosaurus

Illustration of the different stages of landform evolution and concurrent fossilization of a Triceratops dinosaur

Illustration of a Graptolite colony, Cambrian-Carboniferous period

Illustration of a Sinokannemeyeria, a type of therapsid dinosaur

Illustration of an Epaphosaurus, sail-backed dinosaur from Late Carboniferous era

Illustration of a Scaphonyx, type of rynchosaur, Triassic period

Illustration of an Ichthyornis, a bird from the Cretaceous period

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