Fossil Palm Leaf
Pascal Goetgheluck/science Photo Library
Megalodon Prehistoric Shark
Richard Bizley
Pyrotherium
Deagostini/uig/science Photo Library
Mammalodon Colliveri
Deagostini/uig/science Photo Library
Arsinoitherium Prehistoric Mammal #1
Friedrich Saurer
Conglomerate Rock #1
Martyn F. Chillmaid/science Photo Library
Fish Fossil #9
Pascal Goetgheluck/science Photo Library
Dinictis
Michael Long/science Photo Library
Glarochelys Sp. Turtle Shell #1
Pascal Goetgheluck/science Photo Library
Glarochelys Sp. Turtle Shell #3
Pascal Goetgheluck/science Photo Library
Chalicotherium Grande
Michael Long/science Photo Library
Brontotheriums
Deagostini/uig/science Photo Library
Daeodon Extinct Mammals
Mark P. Witton/science Photo Library
Desmostylus Hesperus
Roman Uchytel/science Photo Library
Arsinoitherium Prehistoric Mammal
Friedrich Saurer
Megalodon Prehistoric Shark #1
Richard Bizley
Paraceratherium Prehistoric Mammal
Friedrich Saurer
Fish Fossil #2
Pascal Goetgheluck/science Photo Library
Fossil Frog Humerus
Steve Gschmeissner/science Photo Library
Prehistoric Animals
Christian Jegou Publiphoto Diffusion/ Science Photo Library
Arsinoitherium Skull
Michael Long/science Photo Library
Flint
Martyn F. Chillmaid/science Photo Library
Enhydrocyon Prehistoric Dog Feeding
Mauricio Anton/science Photo Library
Palaeotherium Magnum Prehistoric Ungulates #1
Mark P. Witton/science Photo Library
Paraceratherium Prehistoric Mammals
Mark P. Witton/science Photo Library
Prehistoric Shark Jaws
Chris Hellier/science Photo Library
Cainotherium
Michael Long/science Photo Library
Fossil Frog Humerus #1
Steve Gschmeissner/science Photo Library
Arsinoitherium Prehistoric Mammal Drinking
Mauricio Anton/science Photo Library
Fish Fossil #11
Pascal Goetgheluck/science Photo Library
Entelodon
Friedrich Saurer
Rodent Skull Fossil
Pascal Goetgheluck/science Photo Library
Fossil Fly In Amber
Natural History Museum, London/science Photo Library
Chalicotherium Goldfussi #1
Roman Uchytel/science Photo Library
Fossil Dragonfly Larvae (libellula Doris)
Science Stock Photography
Hesperocyon
Michael Long/science Photo Library
Paraceratherium Prehistoric Mammal
Mauricio Anton/science Photo Library
Excavated Mastodon Bones
Library Of Congress/science Photo Library
Archaeotherium And Hesperocyon
Mauricio Anton/science Photo Library
Palaeotherium Magnum Prehistoric Ungulates
Mark P. Witton/science Photo Library
Paleorhynchus Glarisianus Fish
Pascal Goetgheluck/science Photo Library
Megacerops Extinct Rhino
Roman Uchytel/science Photo Library
Arsinoitherium #1
Roman Uchytel/science Photo Library
Bachitherium Fossil
Chris Hellier/science Photo Library
Fossil Crab (zanthopsis Vulgaris)
Science Stock Photography
Entelodon #1
Friedrich Saurer
Cypretherium Coarctatum
Jaime Chirinos/science Photo Library
Entelodon
Michael Long/science Photo Library
Platypittamys
Natural History Museum, London/science Photo Library
Cat Evolution
Michael Long/science Photo Library
Merycoidodon
Michael Long/science Photo Library
Azuara Crater
Planetobserver/science Photo Library
Scarrittia
Michael Long/science Photo Library
Crab
Science Stock Photography/science Photo Library
Rodent Skull Fossil #1
Pascal Goetgheluck/science Photo Library
Limestone
Alfred Pasieka/science Photo Library
Indricotherium
Roman Uchytel/science Photo Library
Embolotherium Ergilense #1
Roman Uchytel/science Photo Library
Paleoparadoxia Tabatai
Roman Uchytel/science Photo Library
Chalicotherium Goldfussi
Roman Uchytel/science Photo Library
Conglomerate Rock
Martyn F. Chillmaid/science Photo Library
Nummulitic Limestone
Gerd Guenther/science Photo Library
Indricotherium #1
Roman Uchytel/science Photo Library
Paleorhynchus Glarisianus Fish #1
Pascal Goetgheluck/science Photo Library
Fish Fossil
Chris Hellier/science Photo Library
Archaeotherium Prehistoric Mammals
Deagostini/uig
Moeritherium Mammals
Walter Myers
Fossil Walnuts
Natural History Museum, London/science Photo Library
Platypittamys
Michael Long/science Photo Library
Mesohippus
Michael Long/science Photo Library
Megalodon Shark Attacking A Whale
Jaime Chirinos/science Photo Library
Pipefish Fossils
Pascal Goetgheluck/science Photo Library