Lascaux Cave Painting
Jean Paul Ferrero and Jean Michel Labat
Woolly Mammoth Found In Siberia, 1903
Science Source
Paleozoic Flora, Calamites, Illustration
British Library
Prehistoric Flora, Carboniferous
British Library
Cryptobranchus, Living Fossil
Science Source
Bronze Age, Hunting Scene
British Library
Iguanodon Biting Megalosaurus #1
Wellcome Images
Archaeopteryx #1
Millard H. Sharp
Upper Cambrian Trilobites
Wellcome Images
Saber Tooth Cat Skull Fossil #3
Millard H. Sharp
Camarasaurus Tail Bone
Ted Kinsman
Gastonia Burgei #1
Millard H. Sharp
Gunflint Chert Fossils
Michael Abbey
Illustrated Geology And Paleontology
Science Source
Trilobite
Robert J Erwin and Photo Researchers
Mesozoic Landscape
Science Source
Goniatite Fossil
Louise K. Broman
Fish Fossil #11
Millard H. Sharp
Stegosaurus #1
Science Source
Diplodocus Carnegii
Science Source
Dinosaur National Monument
Nasa
Baculites Fossil #1
Ted Kinsman
Mammoth Site Museum
Mark Newman
Aegyptopithecus Zeuxis Skull
Harry Taylor / Dorling Kindersley / Natural History Museum, London
Fossil Soft-shelled Turtle
John Cancalosi/Okapia
Giant Moa Dinornis Ingens, Cenozoic Bird
Biodiversity Heritage Library
Prehistoric, Lower Devonian Landscape
Science Source
Aquatic Life, Mesozoic Era, Illustration
British Library
Richard Owen, English Paleontologist #13
Science Source
Kt Boundary And Iridium Layers In Rock
Millard H. Sharp
Pentaceratops Sternbergii Dinosaur
Millard H. Sharp
Megalodon Jaws Models
Millard H. Sharp
Sea Scorpion Fossils
Millard H. Sharp
Priscacara Fish Fossil
Millard H. Sharp
Homo Neanderthalensis, Reconstruction
Elisabeth Daynes
Sand Dollar Fossil
A.b. Joyce
Sabertooth Cat #1
Millard H. Sharp
Saber Tooth Cat Xenosmilus Skull
Millard H. Sharp
Stenomylus Hitchcocki Skull
Millard H. Sharp
Saint-acheul, Acheulean Archeological
Science Source
Dinosaur Excavation Site
Science Source
Dinosaur Coprolite
John Kaprielian
Pliocene Epoch, Marine Fossils
Science Source
Triceratops Prorsus
Science Source
Shrimp Fossil #4
Millard H. Sharp
Annularia Fossil #1
Louise K. Broman
Trionyx Turtle Fossil
Millard H. Sharp
Fossil Flower
Barbara Strnadova
Marshy Carboniferous Forest
Science Source
Silurian Landscape
Science Source
Prehistoric Man, Stone Age Cave Dweller
Science Source
Mesosaurus Fossils
Millard H. Sharp
Deinonychus #1
Millard H. Sharp
Eurypterus
Francois Gohier and Photo Researchers
Mastodon, Cenozoic Mammal
Science Source
Mastodon, Cenozoic Mammal #2
Science Source
Rhinoceros, Extant Cenozoic Mammal
Science Source
Hesperornis Regalis
Science Source
Stegosaurus
Science Source
Diplodocus
Science Source
Stegosaurus #2
Science Source
Heavy Footed Moa Skeleton
Getty Research Institute
Trilobite From Utah
James L. Amos
Fossil Turtle
John Cancalosi/Okapia
Miocene Sand Dollar Fossil
Millard H Sharp
Dinosaur Tracks
James Steinberg
Ichthyosaurus And Plesiosaurus
Science Source
Stone Age Cavemen
Science Source
Fossils From The Grand Canyon
William H. Mullins
Nautiloid Fossil From The Grand Canyon
William H. Mullins
Fossilized Fern
Scott Camazine