Related by context. All words. (Click for frequent words.) 79 Triassic Period 77 Jurassic Period 75 Pleistocene epoch 74 Permian Period 73 Miocene Epoch 73 Devonian Period 73 Late Cretaceous Period 73 Late Cretaceous 72 Eocene epoch 71 Cambrian Period 71 Cenozoic Era 71 Mesozoic era 71 Mesozoic Era 70 Early Cretaceous 70 Pleistocene Epoch 69 Cretaceous 69 Pleistocene era 69 Late Triassic 69 Miocene epoch 68 Eocene Epoch 67 Late Jurassic 67 Pleistocene 67 Paleozoic Era 66 Ediacaran Period 66 Ediacaran 65 Cambrian explosion 64 Cretaceous periods 64 Tertiary Period 64 Neoproterozoic era 64 Early Cretaceous Period 64 Pliocene epoch 63 Oligocene epoch 63 Paleozoic era 63 dinosaurs roamed 63 Pleistocene Ice Age 63 Late Devonian 63 Cambrian Explosion 62 humans Homo sapiens 62 Carboniferous Period 62 supercontinent 62 dinosaurs 62 Panderichthys 62 Cenozoic era 62 Laurasia 61 Pleistocene Age 61 dromaeosaurs 61 Triassic 61 ornithischians 61 interglacial period 61 Pliocene 61 Cenozoic 61 interglacial 61 Heterodontosaurus 61 Eocene 60 Mesozoic 60 faunas 60 Gondwanaland 60 lobe finned fishes 60 Cryogenian 60 mya 60 Upper Paleolithic 60 Anchiornis huxleyi 60 Sarahsaurus 60 bird Archaeopteryx 59 Paleocene Eocene Thermal Maximum 59 Carboniferous 59 Woolly mammoths 59 glaciation 59 Gigantopithecus 59 trilobites 59 sauropod dinosaur 59 Younger Dryas 59 Late Pleistocene 59 Irvingtonian period 59 Palaeozoic era 59 Acanthostega 59 Neoproterozoic 59 Paleocene 58 Permian extinction 58 australopithecines 58 glaciations 58 marine reptiles 58 Burgess Shale 58 glaciers retreated 58 supercontinent Pangaea 58 glaciers receded 58 megadroughts 58 dinosaur species 58 feathered dinosaur 58 archeopteryx 58 Argentinosaurus 57 mammoths roamed 57 tyrannosaur 57 Upper Palaeolithic 57 duckbilled dinosaur 57 Jurassic 57 Beringia 57 feathered dinosaurs 57 Iguanodon 57 birdlike dinosaur 57 Linheraptor 57 Ordovician 57 predatory dinosaurs 57 mosasaurs 57 bony fishes 57 Permian Triassic 56 Laramidia 56 Sauropods 56 fossil 56 Tyrannosaurs 56 prehistoric 56 megafauna 56 hominid species 56 vertebrate evolution 56 Tarbosaurus 56 sauropodomorphs 56 Australopithecus anamensis 56 Last Glacial Maximum 56 plesiosaurs 56 Triassic Jurassic 56 carnivorous dinosaur 56 placental mammals 56 lobe finned fish 56 horned dinosaur 56 Homo heidelbergensis 56 southern supercontinent 56 Noachian 56 avian dinosaurs 56 Cryogenian period 56 placentals 56 Stegodon 55 Middle Pleistocene 55 Permian Triassic extinction 55 Precambrian 55 conodonts 55 theropod 55 Psittacosaurus 55 Late Ordovician 55 Noachian era 55 sauropod 55 Brood XIV 55 fossils 55 Columbian mammoth 55 H. habilis 55 ichthyosaurs 55 Homo neanderthalensis 55 carnivorous dinosaurs 55 sauropod dinosaurs 55 Hesperian epoch 55 T. hallae skeletons 55 Homo sapiens 55 Paranthropus 55 Theropods 55 Ice Age mammals 55 Laetoli Tanzania 55 horned dinosaurs 55 genus Australopithecus 55 prehistoric lizard 55 Paranthropus robustus 55 H. erectus 55 mammoths 55 Confuciusornis 55 earliest hominid 55 Australopithecus 55 earliest tetrapods 55 winged dinosaur 55 Middle Miocene 55 hominid 55 supercontinent Pangea 54 Neogene 54 fossilized remains 54 Permian Triassic boundary 54 hominins 54 interglacial periods 54 Ice Ages 54 long necked sauropods 54 tyrannosaurs 54 iridium layer 54 Middle Paleolithic 54 homo erectus 54 theropod dinosaur 54 Early Archaic 54 Holocene epoch 54 crinoids 54 steppe bison 54 Repenomamus 54 Homo erectus 54 titanosaurs 54 known bird Archaeopteryx 54 Ice Age 54 primate evolution 54 hominid fossils 54 Raptorex 54 Oviraptor 54 Paleolithic 54 mass extinction 54 Spinosaurus 54 glaciers melted 54 marine reptile 54 Ardipithecus ramidus 54 Genyornis 54 ichthyosaur 54 ostracods 53 chimpanzees diverged 53 dromaeosaurid 53 Little Ice Age 53 partial skeleton 53 hominid fossil 53 anthropoid primates 53 habilis 53 necked dinosaurs 53 Paleogene 53 anatomically modern 53 nomadic hunter gatherers 53 theropods 53 Holocene 53 Homo sapiens evolved 53 mammoths mastodons saber tooth 53 Quetzalcoatlus 53 Haast eagle 53 collared peccary 53 Jurassic era 53 Neolithic Age 53 mosasaur 53 hominoid 53 ancient supercontinent 53 crurotarsans 53 Plesiosaurs 53 Mammuthus 53 Archaeopteryx 53 Ordovician extinction 53 Cretaceous Paleogene 53 fearsome Tyrannosaurus rex 53 multicellular animals 53 Mesopotamian civilization 53 Dromomeron 53 multicellular creatures 52 hominids 52 warm interglacial periods 52 prehistoric mammals 52 Australopithecus afarensis 52 backboned animals 52 Mesolithic 52 terrestrial mammals 52 megalodon 52 Icadyptes 52 carboniferous 52 long necked sauropod 52 Late Heavy Bombardment 52 herbivorous dinosaurs 52 Paleolithic Age 52 fossilized creatures 52 Paleo Indians 52 A. sediba 52 evolutionary lineage 52 anamensis 52 mammoths mastodons 52 Great Oxidation Event 52 therizinosaurs 52 brachiopods 52 multicellular 52 interglacials 52 genus homo 52 extinct mammal 52 hadrosaur 52 bonebed 52 sauropod skulls 52 Neandertals 52 faunal 52 cretaceous 52 tetrapod 52 Castorocauda 52 periodical cicadas 52 Neanderthals 52 mammal extinctions 52 Mapusaurus roseae 52 dinosaur 52 Australopithecus africanus 52 Early Bronze Age 52 extinct reptiles 52 vertebrate fossils 52 sauropods 52 Snowball Earth 52 Cretaceous Tertiary 52 fossilized skeletons 51 genus Homo 51 H. sapiens 51 prehuman 51 Sinornithosaurus 51 Turiasaurus 51 coelurosaurs 51 short tailed albatross 51 Late Miocene 51 hadrosaurs 51 mass extinctions 51 Diplodocus 51 Paleozoic 51 ray finned fishes 51 dinosaur precursors 51 prehistory 51 mid Pliocene 51 Homo antecessor 51 Palaeolithic 51 Periodical cicadas 51 mastodons 51 ramidus 51 Abydosaurus 51 Archaic Period 51 fossilized 51 fossilized footprints 51 Europasaurus 51 Paleo Indian 51 fossilized bones 51 Dinosauria 51 dinosaur extinction 51 mammal lineages 51 Tiktaalik roseae 51 Puertasaurus 51 extinct mammals 51 sedimentary layers 51 Cretaceous extinction 51 KT extinction 51 Neolithic Period 51 bison lumbered 51 Homo genus 51 Guanlong 51 Hadean 51 Oligocene 51 Pterosaurs 51 Hesperian Epoch 51 Columbian mammoths 51 pterosaur 51 stromatolite 51 baleen whale 51 T. hallae 51 KT boundary 51 Guanlong wucaii 50 Camarasaurus 50 Gondwanan 50 deglaciation 50 Phanerozoic 50 homo sapiens 50 Homo habilis 50 mammal fossils 50 Inca civilization 50 Pleistocene Era 50 eukaryote 50 geological epoch 50 Quaternary 50 Noachian period 50 Juravenator 50 hominid ancestors 50 hominin 50 Linhenykus 50 Tyrannosaurus rex 50 species Australopithecus afarensis 50 Homo ergaster 50 Fertile Crescent 50 wooly mammoths 50 sea scorpions 50 Paleoindian 50 Albertosaurus 50 stromatolites 50 pygmy mammoth 50 robustus 50 elephants roamed 50 curved tusks 50 Tawa hallae 50 necked dinosaur 50 lineages diverged 50 T. rex 50 tigers roamed 50 pliosaur ferocious predator 50 mammals 50 megadrought 50 Ardipithecus 50 grassy plains 50 ancient hominid 50 torosaurus 50 therizinosaur 50 meteorite bombardment 50 Massospondylus 50 Falcarius 50 woolly rhinos 50 Mojoceratops 50 Neanderthals Homo neanderthalensis 50 pliosaur 50 brachiosaurus 50 Prototaxites 50 theropod dinosaurs 50 Moche culture 50 Homo species 50 Gigantoraptor 50 ape ancestors 50 Troodon 50 mighty T. rex 50 Devonian 50 Coelophysis 50 hominid evolution 50 Eemian 50 terrestrial mammal 50 woolly mammoths 50 Utahraptor 50 Osedax 50 Liang Bua 50 invertebrate animals 49 supercontinents 49 monotreme 49 Miocene 49 placental mammal 49 Ankylosaurus 49 Lower Cretaceous 49 Puijila 49 Nectocaris 49 Climatic Optimum 49 mastodon tusk 49 homo habilis 49 terrestrial vertebrates 49 Ice Age beasts 49 dwarf hippos 49 Quaternary Period 49 primitive organisms 49 dinosaur lineages 49 Tiktaalik 49 Giganotosaurus 49 Eoraptor 49 giant sloths 49 Paleolithic era 49 frilled shark 49 mitochondrial Eve 49 plesiosaur 49 Paranthropus boisei 49 supercontinent Gondwana 49 Archaean 49 ground sloths 49 tyrannosaurids 49 archosaur 49 bison roamed 49 coprolites 49 radiocarbon dated 49 anthropoids 49 Protoceratops 49 Black footed ferrets 49 Ayles Ice Shelf 49 primate lineage 49 Olmecs 49 Brood XIX 49 Paleolithic Era 49 Rugops 49 planktonic foraminifera 49 systematic paleontological expedition 49 cnidarians 49 peccary 49 Hesperonychus 49 carnivore species 49 maternal lineages 49 periodical cicada 49 Kosmoceratops 49 allosaurus 49 saber tooth tigers 49 Yellowstone caldera 49 chimps diverged 49 Longrich 49 solar nebula 49 duckbilled dinosaurs 49 Plateosaurus 49 artiodactyls 49 Nigersaurus 49 Indricotherium 49 Asilisaurus 49 Chazy Reef 49 H. heidelbergensis 49 ceratopsian 49 Tianyulong 49 prehistoric cavemen 49 Irmis 49 kyr 49 coccolithophores 49 fossilized feathers 49 angiosperm 49 Cretaceous Paleogene boundary 49 Mammoths 49 dwarf hippopotamuses 49 Mount Mazama 49 Upper Triassic 49 mammal 48 steppe mammoth 48 Mapusaurus 48 Toba eruption 48 continental crust 48 monotremes 48 Trilobites 48 Sinosauropteryx 48 Elamite era 48 Pachycephalosaurus 48 dinosaur footprints 48 billed dinosaur 48 aurochs 48 supervolcano eruption 48 Plio Pleistocene 48 golden toad 48 tetrapods 48 ray finned 48 terrestrial vertebrate 48 Dr. Raul Rabadan 48 Han Dynasty 48 fossil skeleton 48 tyrannosaurus rex 48 harlequin frogs 48 Maastrichtian 48 palaeontologists 48 Gigantoraptor belong 48 Microraptor gui 48 BoarCroc 48 calderas 48 Edmontosaurus 48 SuperCroc 48 Doushantuo Formation 48 PancakeCroc 48 Uberabasuchus lived 48 Jin Dynasty 48 glacial cycles 48 degrees Fahrenheit warmer 48 Carcharodon megalodon 48 Khmer empire 48 temperate forests 48 dinosaur fossil 48 Middle Awash 48 Ichthyostega 48 Apatosaurus 48 Fossils 48 Jaekelopterus 48 mammalian lineage 48 Smilodon 48 Laetoli 48 fossil specimens 48 Gryposaurus monumentensis 48 Medieval Warming 48 hoofed mammals 48 T.rex 48 primate ancestors 48 saber tooth cat 48 marine sediments 48 Tunguska meteorite 48 Medieval Warm Period 48 crinoid 48 animal phyla 48 titanosaur 48 Magicicada 47 sea scorpion 47 fossilized skull 47 A. ramidus 47 prosimians 47 flatfishes 47 Palaeocene Eocene Thermal Maximum 47 hominid skeleton 47 Siberian mammoth 47 dinosaur genera 47 Ming Dynasty #-# 47 Torosaurus 47 Homo erectus evolved 47 fossilized skeleton 47 Laurentide ice sheet 47 Ediacara 47 Proterozoic 47 hominin species 47 ornithopod 47 fossils dating 47 bipedal ape 47 buffalo roamed 47 common murres 47 Eggs hatch 47 Fossilised 47 vertebrates 47 Cenomanian 47 multicellular organisms 47 nicknamed Ardi 47 herbivore 47 angiosperms 47 vesper bats 47 PETM 47 vertebrate 47 horned Triceratops 47 skeleton unearthed 47 gracile 47 Fossilized bones 47 placoderms 47 Chinchorro 47 woolly rhinoceros 47 Australopithecus sediba 47 trilobite 47 Middle Palaeolithic 47 Poinar 47 Paleocene Eocene 47 Seitaad ruessi 47 species Ardipithecus ramidus 47 duck billed hadrosaur 47 foraminifera 47 Myr 47 carnivorous mammal 47 crocodilian 47 dinosaur specimens 47 endangered subspecies 47 P. robustus 47 meteor impacts 47 Lower Paleolithic 47 microfossils 47 Majungatholus 47 multi celled 47 dinosaur fossils 47 crocodilians 47 ancient arthropods 47 epochs 47 volcanism 47 atmospheric methane 47 giraffes numbered 47 seafloor sediments 47 Hadrosaur 47 yedoma 47 Sassanid era 47 crocodiles turtles 47 Gansus 47 vertebrate animals 47 bilaterians 47 giganteus 47 anomodonts 47 Norris Geyser Basin 47 evolutionary divergence 47 ecoregions 47 marsupial lion 47 russet colored feathers 47 boreal chickadee 47 Dry Valleys 47 extinct 47 Brusatte 47 Ancient tomb 47 Inca Empire 47 Pan troglodytes 47 dinosaurian 46 Darwin finches 46 erectus 46 Lower Palaeolithic 46 stegosaurs 46 diatoms 46 domesticated turkeys 46 Tenontosaurus 46 Sauropod 46 Neandertal 46 Laurentide Ice Sheet 46 Mesozoic mammals 46 mighty Tyrannosaurus rex 46 ancestors migrated 46 Colossal squid 46 eating sauropod 46 Raptorex kriegsteini 46 single celled organisms 46 pliosaurs 46 vertebrate fossil 46 hominin fossils 46 mammalian carnivores 46 Sumatran orangutans 46 morphologically distinct 46 mitochondrial genomes 46 Arctic tern 46 distinct Acheulian design 46 Navajo sandstone 46 herbivorous dinosaur 46 assassin spiders 46 Bering Land 46 primate fossil 46 #BC [003] 46 Brood X cicadas 46 Aardonyx celestae species 46 Gondwana supercontinent 46 saber tooth cats 46 Ventastega 46 Palaeozoic 46 Microraptor 46 Homo Sapiens 46 primate species 46 archosaurs 46 craton 46 chordates 46 isopods 46 australopithecine 46 Sturtian 46 hunter gatherers 46 Morganucodon 46 Indohyus 46 ape ancestor 46 sedimentary rock 46 bipedal dinosaur 46 Sahelanthropus tchadensis 46 placoderm 46 hominoids 46 Sileshi Semaw director 46 migrated northward 46 single celled 46 forams 46 reionization 46 warmings 46 Ice Age bison 46 wooly mammoth 46 Radiocarbon dating 46 fossils unearthed 46 Aurignacian 46 ocean ridges 46 Dakosaurus andiniensis 46 phyllosilicates 46 Silurian 46 woolly mammoth 46 Shang Dynasty 46 insects crustaceans 46 species interbred 46 vertebrate species 46 Neolithic 46 Gondwana 46 western lowland gorillas 46 anthropoid 46 Repenomamus robustus 46 hunter gatherer societies 46 lowland tropical 46 Titanoboa 46 Xu Xing 46 Bristlecone pines 46 Tang dynasties 46 Dunkleosteus 46 Mongolian gazelles 46 Ardi hominid 46 Allosaurus 46 RX #H vehicles 46 Middle Eocene 46 sediments deposited 46 kipunji 46 single celled algae 46 fossilization 45 Mamenchisaurus 45 prehistoric beasts 45 Aardonyx 45 humpback whales migrate 45 Brood X 45 fossilized dinosaur eggs 45 Cretaceous Tertiary boundary 45 primitive hominid 45 oviraptors 45 colonizations 45 Desert tortoises 45 chimpanzees Pan troglodytes 45 Argentavis 45 Siberia Mongolia 45 eastern cougar subspecies 45 mega fauna 45 megafaunal 45 auklets 45 fossil vertebrates 45 diatom species 45 Zhou Dynasty 45 Sumatra Andaman earthquake 45 southward migration 45 GJ#b 45 ferric oxides 45 Denisova Cave 45 dinos 45 VIDEO Egyptian mummies 45 sediba 45 prehistoric creatures 45 Polynesian settlers 45 hunter gatherer tribes 45 Hominids 45 lineages 45 Gneiss 45 preindustrial 45 sparrow sized 45 Brachiosaurus 45 Eocene Oligocene 45 akepa 45 Lark Quarry 45 baleen whales 45 flood basalts 45 mastodons roamed 45 Kosmoceratops richardsoni 45 cratons 45 wet slobber 45 dino 45 instars 45 C4 grasses 45 boreal regions 45 spiny anteater 45 auks 45 Isle Royale wolf 45 Hawaiian honeycreeper 45 golden fronted bowerbird 45 Deccan eruptions 45 sifaka 45 Moya Sola 45 globe trotting sea turtles 45 mammal species 45 apelike ancestors 45 Ordovician limestone 45 Ice Age glaciers 45 zooplankton species 45 Qesem Cave 45 Orrorin tugenensis 45 metazoan 45 birdlike dinosaurs 45 wild Bactrian camels 45 Leatherback turtles 45 Xiphactinus 45 gymnosperms 45 supervolcanoes 45 bryozoans 45 Galapagos penguins 45 diplodocus 45 Inkayacu 45 tuataras 45 apatosaurus 45 Linnean Society 45 Saqqaq 45 golden crowned kinglets 45 CAIs 45 pterosaurs 45 barnacle goose 45 slender billed curlew 45 paleoclimate 45 jawed vertebrates 45 tetrapods evolved 45 called Abydosaurus mcintoshi 45 palaeontology 45 Basilosaurus 45 megalodon shark 45 toothless beak 45 Yangtze dolphin 45 Denisovans 45 Punta Tombo 45 dinosaur Tawa hallae 45 taxa 45 Paedocypris 45 Ancestral Puebloans 45 bonfires maypole dances 45 lavas 45 southern latitudes 45 Middle Devonian 45 Natufian 45 Hydrothermal vents 45 Maya civilization 44 Tang Dynasty AD 44 eukaryotes 44 Australopithecus genus 44 Gobero 44 paleontologists 44 austral summer 44 African savanna 44 carnivorous marsupial 44 Velafrons 44 Daemonosaurus 44 Scrub jays 44 Metasequoia 44 preserved fossils 44 giant tortoise 44 overhunting 44 tiny single celled 44 magmatism 44 geological strata 44 volcano sedimentary sequences 44 Push reel mowers 44 GtC 44 apelike 44 Gran Dolina 44 protists 44 supervolcano 44 Chicxulub crater 44 hyena dung 44 bipedalism 44 cataclysmic eruption 44 Uberabasuchus 44 giant squid Architeuthis 44 earliest Homo sapiens 44 emu ranchers 44 Sahelanthropus 44 braincase 44 Yixian Formation 44 phyla 44 ancient Mayan civilization 44 Anthony Barnosky 44 humans interbred 44 teosinte 44 Hadar Ethiopia 44 fish amphibians reptiles 44 Sei whales 44 Sturtian glaciation 44 Halley comet 44 Australopithecines 44 horned lizards 44 Kihansi spray toad 44 fossilized dinosaur bones 44 plutonic rocks 44 sedimentary deposits 44 Zhuchengtyrannus magnus 44 eastern lowland gorilla 44 Horseshoe crabs 44 rhinoceros auklets 44 Olduvai Gorge 44 radiometric dating 44 paleomagnetic 44 multi decadal 44 Compsognathus 44 fearsome predators 44 constellation Vulpecula 44 dinosaur skeletons 44 mammals reptiles birds 44 Crichton ankylosaur 44 A. afarensis 44 Kootenai sturgeon 44 Paluxy River 44 paleoenvironmental 44 Pongo pygmaeus 44 Fossilized 44 lactose tolerance 44 stag moose 44 freshwater dolphin 44 date Argentinosaurus 44 tufted puffin 44 deep convective clouds 44 brevirostris 44 freshwater fishes 44 Dinosaur fossils 44 Greenland Antarctica 44 long necked herbivores 44 fossilized dinosaur 44 spotted hyena 44 palaeolithic 44 supercolony 44 yellow bellied marmots 44 Lake Vostok 44 Darwinius masillae 44 Andean condor 44 Loren Hake 44 Yuan Dynasty #-# 44 Mistaken Point 44 Brontomerus 44 basaltic rocks 44 Seitaad 44 existence Worldcolor 44 Arabia Terra 44 felsic intrusions 44 Dallasaurus 44 lunar crust 44 choanoflagellates 44 Harappan civilization 44 Acheulian 44 prokaryotes 44 hunter gatherer 44 longspurs 44 distinct lineages 44 ° C warmer 44 extinct volcanoes 44 bipedal dinosaurs 44 coprolite 44 evolutionary lineages 44 breeding colony 44 woodrat 44 shell midden 44 floresiensis 44 Cretaceous Tertiary KT 44 Late Paleozoic 44 trackway 44 Qing dynasties 44 migrating northward 44 fossilized dinosaur dung 44 Clouded leopards 44 prehistorical 44 abyssal plain 44 upland forests 44 Balhae 44 lagomorphs 44 Chengjiang 44 venomous lizards 44 Vertebrate Paleontology 44 felsic dike 44 Pinta Island 44 toed dinosaur 44 Siberian permafrost 44 lowland forest 44 pine siskin 44 glacial interglacial 44 warm interglacial 44 bettongs 44 Przewalski horse 44 hominid skull 44 Gawis 44 macrofauna 44 ostracodes 44 Late Archaic 44 bristlecone pines 44 Xia Dynasty 44 arapaima 44 Neanderthal 44 maned wolf 44 ocean basins