T. Rex Looming Large  T. Rex Looming Large Serious Claws  Serious Claws Adult Eryops From the Front  Adult Eryops From the Front Eryops Lengthwise  Eryops Lengthwise
Dimetrodon Grandis With Boney Fin  Dimetrodon Grandis With Boney Fin Dimetrodon Skull  Dimetrodon Skull Allosaurus Fragilis Skull  Allosaurus Fragilis Skull Hook-Like Claws  Hook-Like Claws
Stegosaurus Plates  Stegosaurus Plates Shield and Horns  Shield and Horns Pachycephalosaurian Skull  Pachycephalosaurian Skull Centosaurus Skull  Centosaurus Skull
Edmontosaurus Annectens Skull  Edmontosaurus Annectens Skull Squalodon Calvertensis Swimming Low  Squalodon Calvertensis Swimming Low An Early Dolphin Called Xiphiacetus  An Early Dolphin Called Xiphiacetus Long Rows of Teeth  Long Rows of Teeth
Campanile Giganteum  Campanile Giganteum Ichthyosaur  Ichthyosaur Uintatherium Robustum  Uintatherium Robustum Titanothere  Titanothere
Diatryma Steini  Diatryma Steini Big Bird Skull  Big Bird Skull Moropus Elatus  Moropus Elatus American Mastodon With Big Black Tusks  American Mastodon With Big Black Tusks
Recreation of a Neanderthal Burial Rite  Recreation of a Neanderthal Burial Rite Neanderthal Man  Neanderthal Man American Mastodon From the Front  American Mastodon From the Front Dall Sheep  Dall Sheep
Extinct Bison Skull  Extinct Bison Skull Wolly Mammoth  Wolly Mammoth Wolly Mammoth Profile  Wolly Mammoth Profile Big Round Glyptodont  Big Round Glyptodont
Giant Ground Sloth Rearing Up  Giant Ground Sloth Rearing Up Ground Sloth Paw  Ground Sloth Paw Sabertoothed Cat  Sabertoothed Cat Knife Like Sabertooth  Knife Like Sabertooth
Rounded Mammoth Tusks  Rounded Mammoth Tusks