Specimens
Achelousaurus
Achelousaurus horneri
Cretaceous · 74 MYA
Albertosaurus
Albertosaurus libratus
Cretaceous · 76 MYA
Allosaurus
Allosaurus fragilis
Jurassic · 155 MYA
Ambulocetus
Ambulocetus natans
Paleogene · 45 MYA
Anatotitan
Anatotitan copei
Cretaceous · 73 MYA
Ankylosaurus
Ankylosaurus magniventris
Cretaceous · 67 MYA
Anodontosaurus
Anodontosaurus lambei
Cretaceous · 60 MYA
Apatosaurus
Apatosaurus ajax
Jurassic · 151 MYA
Archaeopteryx
Archaeopteryx lithographica
Jurassic · 150 MYA
Barosaurus
Barosaurus lentus
Jurassic · 150 MYA
Basilosaurus
Basilosaurus cetoides
Paleogene · 35–40 MYA
Bison
Bison bison / Bison latifrons
Neogene & Quaternary · Present–300K YA
Brachiosaurus
Brachiosaurus altithorax
Jurassic · 150 MYA
Camarasaurus
Camarasaurus grandis
Jurassic · 150 MYA
Camptosaurus
Camptosaurus dispar
Jurassic · 150 MYA
Campylognathoides
Campylognathoides liasicus
Jurassic · 180 MYA
Castoroides
Castoroides ohioensis
Neogene & Quaternary · 2 MYA
Caudipteryx
Caudipteryx zoui
Cretaceous · 124 MYA
Centrosaurus
Centrosaurus apertus
Cretaceous · 76 MYA
Ceratosaurus
Ceratosaurus nasicornus
Jurassic · 150 MYA
Cervalces (Stag Moose)
Cervalces scotti
Neogene & Quaternary · 2.5 MYA
Chasmosaurus
Chasmosaurus belli
Cretaceous · 76 MYA
Coelophysis
Coelophysis bauri
Triassic · 200 MYA
Compsognathus
Compsognathus longipes
Jurassic · 150 MYA
Confuciusornis
Confuciusornis sanctus
Cretaceous · 125 MYA
Corythosaurus
Corythosaurus casuarius
Cretaceous · 76 MYA
Cotylorhynchus
Cotylorhynchus romeri
Pre-Mesozoic · 300 MYA
Cryolophosaurus
Cryolophosaurus ellioti
Jurassic · 195 MYA
Daspletosaurus
Daspletosaurus torosus
Cretaceous · 75 MYA
Deinonychus
Deinonychus antirrhopus
Cretaceous · 100 MYA
Dimetrodon
Dimetrodon limbatus
Pre-Mesozoic · 295 MYA
Dinohippus
Dinohippus leidyanus
Neogene & Quaternary · 10–3 MYA
Diplodocus
Diplodocus carnegii
Jurassic · 153 MYA
Diplomystus
Diplomystus kokuraensis
Paleogene · 33 MYA
Dire Wolf
Canis dirus
Neogene & Quaternary · Pleistocene
Dorudon
Dorudon atrox
Paleogene · 40 MYA
Dracorex
Dracorex hogwartsia
Cretaceous · 66 MYA
Dunkleosteus
Dunkleosteus terrelli
Pre-Mesozoic · 380 MYA
Edaphosaurus
Edaphosaurus pogonias
Pre-Mesozoic · 300 MYA
Edmontosaurus
Edmontosaurus regalis
Cretaceous · 73 MYA
Einiosaurus
Einiosaurus procurvicornis
Cretaceous · 74 MYA
Elasmosaurus
Elasmosaurus platyurus
Cretaceous · 80 MYA
Eodromaeus
Eodromaeus murphi
Triassic · 230 MYA
Eoraptor
Eoraptor lunensis
Triassic · 230 MYA
American Zebra
Equus simplicidens
Neogene & Quaternary · 3 MYA
Eryops
Eryops megacephalus
Pre-Mesozoic · 295 MYA
Euoplocephalus
Euoplocephalus tutus
Cretaceous · 80 MYA
Gavialosuchus
Gavialosuchus eggenburgensis
Neogene & Quaternary · 20 MYA
Gryposaurus
Gryposaurus incurvimanus
Cretaceous · 77 MYA
Herrerasaurus
Herrerasaurus ischigualostensis
Triassic · 231 MYA
Homogalax
Homogalax protapirinus
Paleogene · 50 MYA
Steller's Sea Cow
Hydrodamalis gigas
Neogene & Quaternary · Pleistocene–1768
Hyracotherium
Hyracotherium vasacciense
Paleogene · 50 MYA
Iguanodon
Iguanodon bernissartensis
Cretaceous · 125 MYA
Indricotherium
Paraceratherium transouralicum
Paleogene · 30 MYA
Kutchicetus
Kutchicetus minimus
Paleogene · 45 MYA
Lambdotherium
Lambdotherium popoagicum
Paleogene · 50 MYA
Lambeosaurus
Lambeosaurus lambei
Cretaceous · 75 MYA
Liaoxiornis
Liaoxiornis delicatus
Cretaceous · 122 MYA
Lycaenops
Lycaenops ornatus
Pre-Mesozoic · ~260 MYA
Maiacetus
Maiacetus inuus
Paleogene · 47 MYA
Maiasaura
Maiasaura peeblesorum
Cretaceous · 76 MYA
Majungasaurus
Majungasaurus crenatissimus
Cretaceous · 70 MYA
Malawisaurus
Malawisaurus dixeyi
Cretaceous · 120 MYA
Mastodon
Mammut americanum
Neogene & Quaternary · 10,000 YA
Mammoth
Mammuthus columbi / primigenius
Neogene & Quaternary · 5 MYA–4,000 YA
Masiakasaurus
Masiakasaurus knopfleri
Cretaceous · 70 MYA
Humpback Whale
Megaptera novaeangliae
Neogene & Quaternary · Recent
Merychippus
Merychippus insignis
Neogene & Quaternary · 15 MYA
Merycoidodon
Merycoidodon culbertsoni
Paleogene · 21 MYA
Mesohippus
Mesohippus bairdi
Paleogene · 30 MYA
Mioplosus
Mioplosus labracoides
Paleogene · 45 MYA
Miragaia
Miragaia longicollum
Jurassic · 150 MYA
Moabosaurus
Moabosaurus utahensis
Cretaceous · 125 MYA
Moeritherium
Moeritherium lyonsi
Paleogene · 35 MYA
Nyctosaurus
Nyctosaurus gracilis
Cretaceous · 85 MYA
Ornithomimus
Ornithomimus edmontonicus
Cretaceous · 70 MYA
Oviraptor (nest)
Oviraptor philoceratops
Cretaceous · 75 MYA
Pachycephalosaurus
Pachycephalosaurus wyomingensis
Cretaceous · 66 MYA
Pachyrhinosaurus
Pachyrhinosaurus perotorum
Cretaceous · 72 MYA
Pakicetus
Pakicetus attocki
Paleogene · 50 MYA
Parasaurolophus
Parasaurolophus walkeri
Cretaceous · 67 MYA
Parksosaurus
Parksosaurus warreni
Cretaceous · 70 MYA
Patagotitan
Patagotitan mayorum
Cretaceous · ~100 MYA
Patriofelis
Patriofelis ulta
Paleogene · 45 MYA
Sperm Whale
Physeter macrocephalus
Neogene & Quaternary · Recent
Platecarpus
Platecarpus tympaniticus
Cretaceous · 82 MYA
Plateosaurus
Plateosaurus engelhardti
Triassic · 205 MYA
Platygonus
Platygonus compressus
Neogene & Quaternary · 10.3 MYA–11,000 YA
Prestosuchus
Prestosuchus chiniquensis
Triassic · 240 MYA
Prosaurolophus
Prosaurolophus maximus
Cretaceous · 74 MYA
Protarchaeopteryx
Protarchaeopteryx robusta
Cretaceous · 124 MYA
Protoceratops
Protoceratops andrewsi
Cretaceous · 72 MYA
Protoreodon
Protoreodon walshi
Paleogene · 40 MYA
Protosuchus
Protosuchus richardsoni
Jurassic · 190 MYA
Pteranodon
Pteranodon longiceps
Cretaceous · 85 MYA
Quetzalcoatlus
Quetzalcoatlus northropi
Cretaceous · 66 MYA
Rahonavis
Rahonavis ostromi
Cretaceous · 70 MYA
Rapetosaurus
Rapetosaurus krausei
Cretaceous · 66 MYA
Sarcosuchus
Sarcosuchus imperator
Cretaceous · 112 MYA
Saurophaganax
Saurophaganax maximus
Jurassic · 150 MYA
Simosuchus
Simosuchus clarki
Cretaceous · 66 MYA
Sinonyx
Sinonyx jiashanenesis
Paleogene · 56 MYA
Sinornithosaurus
Sinornithosaurus millenii
Cretaceous · 122 MYA
Sinosauropteryx
Sinosauropteryx prima
Cretaceous · 122 MYA
Smilodon (Sabre Tooth)
Smilodon fatalis
Neogene & Quaternary · 2.5 MYA–10,000 YA
Spinosaurus
Spinosaurus aegyptiacus
Cretaceous · 112–93 MYA
Stegosaurus
Stegosaurus stenops
Jurassic · 150 MYA
Stenomylus
Stenomylus hitchcocki
Paleogene · 30 MYA
Stenopterygius
Stenopterygius quadriscissus
Jurassic · 180 MYA
Struthiomimus
Struthiomimus altus
Cretaceous · 67 MYA
Stupendemys
Stupendemys geographicus
Neogene & Quaternary · 6 MYA
Styracosaurus
Styracosaurus albertensis
Cretaceous · 75 MYA
Suchomimus
Suchomimus tenerensis
Cretaceous · 112–125 MYA
Supersaurus
Supersaurus vivianae
Jurassic · 153 MYA
Tenontosaurus
Tenontosaurus tilletti
Cretaceous · 110 MYA
Thescelosaurus
Thescelosaurus neglectus
Cretaceous · 66 MYA
Torosaurus
Torosaurus latus
Cretaceous · 66–68 MYA
Torvosaurus
Torvosaurus tanneri
Jurassic · 150 MYA
Triceratops
Triceratops horridus
Cretaceous · 68 MYA
Trigonias
Trigonias osborni
Paleogene · 35 MYA
Troodon (egg clutch)
Troodon makelai
Cretaceous · 75 MYA
Tylosaurus
Tylosaurus saskachewanensis
Cretaceous · 70 MYA
Tyrannosaurus
Tyrannosaurus rex
Cretaceous · 66 MYA
Cave Bear
Ursus spelaeus
Neogene & Quaternary · 24,000 YA
Utahraptor
Utahraptor ostrommaysorum
Cretaceous · 126 MYA
Velociraptor
Velociraptor mongoliensis
Cretaceous · 72 MYA
Xenoceratops
Xenoceratops foremostensis
Cretaceous · 79 MYA
Xiphactinus
Xiphactinus audax
Cretaceous · 70 MYA
Zygorhiza
Zygorhiza kochii
Paleogene · 35 MYA