Laetoli Fossil Footprints Scene #1
Mauricio Anton/science Photo Library
Pliocene Fauna
Jose Antonio PeÑas
Human Evolution
Jose Antonio PeÑas
Stages In Human Evolution #1
David Gifford
Laetoli Fossil Footprints Scene
Mauricio Anton/science Photo Library
Homotherium Sabretooth Cat In The Arctic
Mauricio Anton/science Photo Library
Thylacosmilus Atrox Mammal
Julius T Csotonyi/science Photo Library
Ardipithecus Ramidus Landscape
Mauricio Anton
Mammoth Chasing A Caveman
Stefan Schiessl/science Photo Library
Fossilized Shark Teeth
Sally Mccrae Kuyper/science Photo Library
Fossil Brachiopod And Roman Lamp
Natural History Museum, London/science Photo Library
Paranthropus aethiopicus, artwork
Science Photo Library
Chapalmalania
Michael Long/science Photo Library
Glacier-filled Kings Canyon
Nicolle R. Fuller
Glacier-carved Kings Canyon
Nicolle R. Fuller
Two Sivatheriums
Deagostini/uig/science Photo Library
Sea Urchin Fossil
Pascal Goetgheluck/science Photo Library
Paranthropus Boisei Skull (oh5)
Natural History Museum, London/science Photo Library
Megatherium Prehistoric Mammal Fossil
Library Of Congress, Rare Book And Special Collections Division/science Photo Library
Thalassocnus Aquatic Sloth
Roman Uchytel/science Photo Library
Marsupial Lion
Roman Uchytel/science Photo Library
Stages In Human Evolution #2
David Gifford
Hominin Skull Specimens
Natural History Museum, London/science Photo Library
Homo Erectus Skull (sangiran 17) #1
Natural History Museum, London/science Photo Library
Thylacine
Michael Long/science Photo Library
Hominid Reconstruction Sequence #2
Natural History Museum, London/science Photo Library
Sea Urchin Fossil #1
Pascal Goetgheluck/science Photo Library
Thylacosmilus
Michael Long/science Photo Library
Inguza Predemersus
Jose Antonio Penas/science Photo Library
Stages In Human Evolution
David Gifford/science Photo Library
Mastodon Fossil Skeleton
Collection Abecasis/science Photo Library
Odobenocetops Prehistoric Marine Mammal
James Kuether/science Photo Library
Scimitar Cat #1
Roman Uchytel/science Photo Library
Hominid Reconstruction Sequence
Natural History Museum, London/science Photo Library
Cat Evolution
Michael Long/science Photo Library
Hominid Reconstruction Sequence #1
Natural History Museum, London/science Photo Library
Australopithecus Afarensis Male
Mauricio Anton/science Photo Library
Sloth Skin And Mammal Fossil Footprints
Michael Long/science Photo Library
Hominid Reconstruction Sequence #3
Natural History Museum, London/science Photo Library
Barbourofelis Fricki False Sabre-tooth Cat
Roman Uchytel/science Photo Library
Samotherium Prehistoric Giraffe
Roman Uchytel/science Photo Library
Elasmotherium
Masato Hattori/science Photo Library
Scimitar Cat
Roman Uchytel/science Photo Library
Chilotherium Rhinoceros
Roman Uchytel/science Photo Library
Megatherium Ground Sloths Eating
James Kuether/science Photo Library
Oak Leaf Fossil #1
Gilles Mermet
Liquidambar Fossil Leaf
Gilles Mermet
Homo Naledi
David Gifford
Elasmotherium
Friedrich Saurer
Gingko Leaf Fossil
Gilles Mermet
Homotherium Sabre-toothed Cat
Mauricio Anton
Australopithecus And Homo Habilis Skulls
Natural History Museum, London/science Photo Library
Death Of Fossil Hominin 'lucy'
Claus Lunau/science Photo Library
Mrs Ples Skull
Natural History Museum, London/science Photo Library
Hominid Settlement #1
Christian Jegou Publiphoto Diffusion/ Science Photo Library
Sabre-toothed Cat's Fossil Skull #1
Javier Trueba/msf/science Photo Library
Ardipithecus Ramidus Hominid
Julius T Csotonyi/science Photo Library
Coral Fossil #1
Natural History Museum, London/science Photo Library
Megantereon Dirktooth Cat
Michael Long/science Photo Library
Taung Child Killed By Eagle
Mauricio Anton/science Photo Library
Agriotherium
Roman Uchytel/science Photo Library
Ground Sloth Prehistoric Mammal Fossils
Library Of Congress, Rare Book And Special Collections Division/science Photo Library
Borophagus Diversidens
Roman Uchytel/science Photo Library
Prehistoric Mammal Fossils
Library Of Congress, Rare Book And Special Collections Division/science Photo Library
Skull Cast Of A Paranthropus Boisei (australopithecus Boisei
Patrick Landmann/science Photo Library
Excavated Mastodon Bones
Library Of Congress/science Photo Library
Thylacosmilus Carnivorous Marsupials
Mauricio Anton/science Photo Library
Borophagus Diversidens #1
Roman Uchytel/science Photo Library
Dinofelis Barlowi
Roman Uchytel/science Photo Library
Chasmaporthetes
Roman Uchytel/science Photo Library