Related by context. All words. (Click for frequent words.) 69 Pleistocene epoch 69 Cretaceous Period 64 Jurassic Period 64 Triassic Period 64 Pleistocene Epoch 64 Eocene epoch 64 Pleistocene 63 Mesozoic era 62 Devonian Period 62 Permian Period 60 Miocene epoch 60 glaciation 60 interglacial 60 Cambrian Period 59 Younger Dryas 59 Miocene Epoch 59 interglacial period 59 Woolly mammoths 59 Pleistocene Age 58 Late Cretaceous Period 58 Late Triassic 58 glaciations 58 mammoths 57 glaciers receded 57 Late Cretaceous 57 Ice Age 57 Cenozoic Era 57 Beringia 56 Ediacaran 56 Oligocene epoch 56 Paleozoic Era 56 Ediacaran Period 56 Upper Palaeolithic 56 Eocene Epoch 56 Homo sapiens 56 megafauna 56 Paleocene Eocene Thermal Maximum 56 Pliocene epoch 56 dinosaurs roamed 56 Last Glacial Maximum 55 humans Homo sapiens 55 H. sapiens 55 glaciers retreated 55 Little Ice Age 55 supercontinent 54 Permian extinction 54 Cenozoic era 54 Holocene epoch 54 Upper Paleolithic 54 Cambrian explosion 54 Gondwanaland 53 dinosaurs 53 woolly mammoths 53 Late Jurassic 53 Early Cretaceous 53 T. hallae skeletons 53 Neanderthals 53 glaciers melted 53 Pleistocene Ice Age 53 Pliocene 53 avian dinosaurs 52 Mesozoic Era 52 warm interglacial 52 Neoproterozoic era 52 Irvingtonian period 52 Late Devonian 52 hominid species 52 Hesperian epoch 52 Cretaceous 51 Cambrian Explosion 51 Ice Ages 51 Gigantopithecus 51 Cretaceous periods 51 mya 51 Homo heidelbergensis 51 Late Pleistocene 51 Paleozoic era 51 Eemian 51 Snowball Earth 51 geological epoch 51 Palaeozoic era 51 Mesolithic 51 mammoths roamed 51 Homo neanderthalensis 51 icebound earth 51 Tertiary Period 51 Neandertals 50 interglacial periods 50 Cryogenian period 50 australopithecines 50 Permian Triassic extinction 50 habilis 50 Poinar 50 Inca civilization 50 Permian Triassic boundary 50 woolly mammoth 50 Medieval Warming 50 Sarahsaurus 50 Laurentide ice sheet 50 marine reptiles 50 anatomically modern 50 Noachian 50 mass extinction 49 dromaeosaurs 49 Stegodon 49 supercontinent Pangaea 49 H. erectus 49 Homo sapiens evolved 49 Columbian mammoth 49 homo sapiens 49 Ardipithecus ramidus 49 supercontinent Pangea 49 hominid fossil 49 hunter gatherers 49 steppe bison 49 prehistoric 49 A. sediba 49 Cryogenian 49 Carboniferous 49 Laurasia 49 hominids 49 Carboniferous Period 49 trilobites 49 earliest hominid 49 Homo species 49 ancient supercontinent 49 sauropod dinosaur 49 lobe finned fish 49 mid Pliocene 49 Holocene 48 Dry Valleys 48 vertebrate evolution 48 Archaic Period 48 homo erectus 48 archeopteryx 48 ornithischians 48 Mammuthus 48 Cretaceous extinction 48 Middle Paleolithic 48 Ice Age glaciers 48 prehuman 48 woolly rhinos 48 Hadean 48 Cenozoic 48 Early Cretaceous Period 48 Paleolithic 48 sea scorpions 48 faunas 48 genus Homo 48 Siberian permafrost 48 prehistory 48 mammoths mastodons 48 genus Australopithecus 48 Paranthropus robustus 48 Palaeocene Eocene Thermal Maximum 48 Permian Triassic 47 Genyornis 47 Noachian era 47 ape ancestors 47 bison lumbered 47 evolutionary lineage 47 Paranthropus 47 Fertile Crescent 47 Hesperian Epoch 47 Maya civilization 47 Quaternary 47 Mayan civilization 47 prehistoric cavemen 47 Neanderthal 47 Homo erectus 47 Mesozoic 47 mammal extinctions 47 hunter gatherer 47 Australopithecus 47 Neoproterozoic 47 mastodons 47 placental mammals 47 Paleo Indians 47 deglaciation 47 hominid skeleton 47 Homo antecessor 47 hominid ancestors 47 Mesopotamian civilization 47 hominid 47 megadroughts 47 Late Ordovician 47 winged dinosaur 47 Homo Sapiens 47 sauropodomorphs 47 tigers roamed 46 Paranthropus boisei 46 hominins 46 Paleoindian 46 Neolithic Age 46 mosasaurs 46 wooly mammoths 46 H. habilis 46 Heterodontosaurus 46 Triassic 46 Australopithecus africanus 46 Anthropocene 46 Neanderthals Homo neanderthalensis 46 dinosaur precursors 46 bird Archaeopteryx 46 steppe mammoth 46 wooly mammoth 46 hominid fossils 46 Eocene 46 bony fishes 46 extinct mammals 46 Paleolithic Age 46 theropod dinosaurs 46 Precambrian 46 supercontinents 46 fossilized skeletons 46 Liang Bua 46 southern supercontinent 46 supercontinent Gondwana 46 crurotarsans 46 Linheraptor 46 Laramidia 46 bonebed 46 plesiosaurs 46 Siberian mammoth 46 Eocene Oligocene 46 Eoraptor 45 Australopithecus afarensis 45 Deccan eruptions 45 Laurentide Ice Sheet 45 ichthyosaurs 45 Early Archaic 45 nicknamed Ardi 45 Great Oxidation Event 45 boreal regions 45 Saqqaq 45 sedimentary layers 45 Iguanodon 45 continental drift 45 peopling 45 radiocarbon dated 45 ground sloths 45 multicellular animals 45 anthropoid primates 45 Paleolithic era 45 mammal fossils 45 iridium layer 45 glacial cycles 45 species interbred 45 species Australopithecus afarensis 45 Lower Paleolithic 45 Paleolithic Era 45 partial skeleton 45 mammoths mastodons saber tooth 45 Laetoli Tanzania 45 saber tooth cat 45 Puijila 45 placentals 45 warmings 45 KT boundary 45 Panderichthys 45 mitochondrial Eve 45 Europasaurus 45 Pleistocene Era 45 Ayles Ice Shelf 45 harlequin frogs 45 Homo Erectus 45 Quaternary Period 45 lobe finned fishes 45 Palaeolithic 45 nomadic hunter gatherers 45 lineages diverged 45 preindustrial 45 epochs 45 Ancestral Puebloans 45 Burgess Shale 44 anamensis 44 prehistoric mammals 44 Medieval Warm Period 44 Middle Pleistocene 44 millenniums 44 Bronze Age 44 Neogene 44 warm interglacial periods 44 Denisovans 44 Cretaceous Paleogene 44 chimpanzees diverged 44 glacial 44 KT extinction 44 Paleocene 44 terrestrial vertebrates 44 Gondwana supercontinent 44 mass extinctions 44 Sauropods 44 pliosaur ferocious predator 44 known bird Archaeopteryx 44 millennia 44 dinosaur species 44 backboned animals 44 primitive organisms 44 hominoid 44 permafrost 44 Plesiosaurs 44 tyrannosaurs 44 Homo ergaster 44 fearsome Tyrannosaurus rex 44 saber toothed tigers 44 Acanthostega 44 temperate forests 44 ichthyosaur 44 Brood XIV 44 Arctic permafrost 44 Middle Miocene 44 Ice Age mammals 44 Phanerozoic 44 Noachian period 44 ° C warmer 44 woolly rhinoceros 44 fossils 44 primate evolution 44 earliest Homo sapiens 44 musk oxen 44 Dark Ages 44 Tarbosaurus 43 Hadean Eon 43 ancient Mayan civilization 43 Larsen Ice Shelf 43 Neandertal 43 Moche culture 43 lowland tropical 43 Woese 43 known pika populations 43 Olmecs 43 dwarf hippos 43 meteorite bombardment 43 periodical cicadas 43 H. heidelbergensis 43 prehistoric beasts 43 lactose tolerance 43 Chazy Reef 43 anthropoids 43 Ellesmere Island 43 Toba eruption 43 Triassic Jurassic 43 allosaurus 43 giant sloths 43 saber tooth cats 43 fossils dating 43 subarctic 43 multicellular 43 arctic tundra 43 Mousterian 43 terrestrial mammal 43 Abydosaurus 43 stromatolites 43 horned dinosaur 43 chimps diverged 43 Paleo Indian 43 mega fauna 43 primate ancestors 43 fossilized creatures 43 megalodon 43 coprolites 43 Gran Dolina 43 fossilized remains 43 saber tooth tigers 43 atmospheric methane 43 megafaunal 43 predatory dinosaurs 43 glacial retreat 43 placental mammal 43 Minoan civilization 43 elephants roamed 43 epoch 43 alluvial erosion 43 dinosaur extinction 43 Neanderthal extinction 43 Late Heavy Bombardment 43 Medieval Warming Period 43 Aurignacian 43 Tiktaalik roseae 42 extinct 42 T. hallae 42 cryosphere 42 mighty Tyrannosaurus rex 42 vertebrate species 42 Irmis 42 erectus 42 mosasaur 42 fossil skeleton 42 multicellular creatures 42 tyrannosaurids 42 terrestrial mammals 42 Sileshi Semaw director 42 dinosaur mummies 42 Falcarius 42 herbivorous dinosaurs 42 Homo genus 42 Castorocauda 42 fossilization 42 Ardipithecus 42 paleoenvironmental 42 fossilized feathers 42 torosaurus 42 Nectocaris 42 humans interbred 42 Lake Vostok 42 carboniferous 42 Trilobites 42 hominid lineage 42 Cretaceous Tertiary 42 Arctic tundra 42 single celled organisms 42 species Homo sapiens 42 Basilosaurus 42 titanosaurs 42 hobbit sized 42 Brood X cicadas 42 interglacials 42 Argentinosaurus 42 Tiktaalik 42 extinct reptiles 42 C4 grasses 42 pygmy mammoth 42 aurochs 42 horned dinosaurs 42 fossilized skull 42 marine reptile 42 Otzi 42 Lower Palaeolithic 42 Indricotherium 42 sabretooth 42 Nazca civilization 42 hunter gatherer cultures 42 Homo habilis 42 fossil vertebrates 42 solar nebula 42 diatom species 42 Australopithecines 42 Etruscan civilization 42 primate lineage 42 Mount Mazama 42 palaeolithic 42 Tyrannosaurs 42 hominin species 42 megadrought 42 prehistoric creatures 42 Ordovician extinction 42 Elamite era 42 domesticated 42 Ordovician 42 Mojoceratops 42 Natufian 42 Cretaceous Tertiary boundary 42 golden toad 41 ancient hominid 41 australopithecine 41 multicellular organisms 41 bipedal ape 41 Ardi hominid 41 Dinosauria 41 teosinte 41 duckbilled dinosaur 41 Incan empire 41 Gondwanan 41 paleontological 41 Homo sapiens originated 41 Archaean 41 Bering Strait 41 Middle Palaeolithic 41 prehistoric lizard 41 Adelie penguins 41 Interglacial 41 Hesperonychus 41 Willerslev 41 Georges Cuvier 41 sauropod dinosaurs 41 paleoecology 41 hadrosaur 41 Jurassic era 41 A. afarensis 41 Mammoths 41 Cro Magnon 41 bison roamed 41 Chauvet Cave 41 conodonts 41 Hominids 41 Ötzi 41 Henry Harpending 41 Han Dynasty 41 degrees Fahrenheit warmer 41 domestication 41 maternal lineages 41 glacial interglacial 41 Psittacosaurus 41 homo habilis 41 dinosaur genera 41 Chinchorro 41 gigatonnes 41 Olmec civilization 41 treeless plains 41 plate tectonics 41 genus homo 41 ramidus 41 ancestors migrated 41 geological timescale 41 carnivore species 41 buffalo roamed 41 Plateosaurus 41 Moya Sola 41 Medieval Warm 41 flatfishes 41 collared peccary 41 Australopithecus anamensis 41 stromatolite 41 Lapita 41 subarctic regions 41 ocean ridges 41 bdelloid rotifers 41 sauropod skulls 41 Australopithecus sediba 41 meteor impacts 41 long necked sauropod 41 Neolithic 41 feathered dinosaur 41 animal phyla 41 Osedax 41 Archaeopteryx 41 evolutionary divergence 41 crinoids 41 fossil 41 globe trotting sea turtles 41 marine sediments 41 Bolshevik revolution 41 archosaurs 41 theropod dinosaur 41 Metasequoia 41 paleoclimate 41 Mapusaurus roseae 41 carnivorous dinosaurs 41 hominin 41 Periodical cicadas 41 Maunder Minimum 41 prehistorical 41 necked dinosaurs 41 anthropoid 41 Ice Age beasts 41 Jurassic 41 duckbilled dinosaurs 41 Alpine glaciers 41 southern latitudes 41 temperate zones 41 Woolly mammoth 41 Mapusaurus 41 Anchiornis huxleyi 41 hunter gatherer ancestors 41 stag moose 41 Eske Willerslev 41 Great Aletsch Glacier 41 hadrosaurs 40 Inca Empire 40 uncatalogued 40 Sepkoski 40 fossilized 40 Greenland Antarctica 40 Sican culture 40 robustus 40 therizinosaurs 40 paleoanthropology 40 Turiasaurus 40 forams 40 P. robustus 40 reionization 40 duck billed hadrosaur 40 Prototaxites 40 radiocarbon dating 40 radiocarbon 40 frozen wastelands 40 vertebrate fossil 40 Smilodon 40 Isle Royale wolf 40 palaeontologists 40 supervolcanoes 40 theropod 40 interbred 40 grassy plains 40 dinosaur 40 dwarf hippopotamuses 40 Ernst Mayr 40 Roman Empire 40 plesiosaur 40 Tawa hallae 40 Neanderthals interbred 40 semidesert 40 trilobite 40 coldest driest 40 Appy Sluijs 40 ape ancestor 40 feathered dinosaurs 40 Malthusian trap 40 extinctions 40 fossilized footprints 40 hominoids 40 Oetzi 40 Japan Mount Shinmoe 40 Camarasaurus 40 speleothems 40 icecap 40 mitochondrial genome sequence 40 Neanderthals roamed 40 austral summer 40 hominid evolution 40 nineteen forties 40 Longrich 40 atmospheric CO2 concentration 40 colonizations 40 XIX century 40 Acheulian 40 Icadyptes 40 Spanish conquerors 40 fossil specimens 40 A. ramidus 40 sediba 40 Neanderthal genes 40 terrestrial vertebrate 40 Darwin finches 40 prosimians 40 Denisovan 40 braincase 40 megafauna extinction 40 fossilized bones 40 Ross Ice Shelf 40 single celled microbes 40 Gigantoraptor 40 coccolithophores 40 fossilized skeleton 40 woolly rhino 40 Guanlong wucaii 40 palaeontology 40 Columbian mammoths 40 Industrial Revolution 40 earliest tetrapods 40 Confuciusornis 40 extinct woolly mammoth 40 carnivorous dinosaur 40 brachiosaurus 40 civilization 40 Pacific Decadal Oscillation 40 kouprey 40 Oviraptor 40 migrated northward 40 ecological niches 40 ostracods 40 subglacial lakes 40 primitive hominid 40 Linhenykus 40 Homo floresiensis 40 exo planet 40 Inca civilizations 40 radiometric dating 39 mitochondrial DNA lineages 39 eukaryote 39 supervolcano 39 Dakosaurus andiniensis 39 prehistoric cave 39 Incan Empire 39 humans 39 mastodon 39 Albertosaurus 39 invertebrate animals 39 Homo sapien 39 dinosaur lineages 39 Microraptor gui 39 ancient Mayans 39 Jaekelopterus 39 archaea 39 comparative anatomy 39 sapiens 39 Early Bronze Age 39 mitochondrial genomes 39 Middle Awash 39 volcanism 39 archosaur 39 gorillas chimps 39 lain undisturbed 39 ancient Babylonians 39 skeleton unearthed 39 Homo sapiens sapiens 39 common ancestor 39 dinosaur Sereno 39 Homo erectus evolved 39 northern latitudes 39 prehistoric creature 39 Antarctica 39 Yuan Dynasty #-# 39 structuralism 39 Donald Johanson 39 ALH# 39 paleontological dig 39 foraminifera 39 Pan troglodytes 39 Lamarckian 39 tundra 39 mammalian ancestor 39 sauropods 39 glacial geology 39 Chicxulub impact 39 Paleogene 39 hunter gatherer tribes 39 fossils unearthed 39 hunter gatherer societies 39 Rugops 39 therizinosaur 39 tetrapod 39 chinstrap penguins 39 Ventastega 39 Haast eagle 39 Climatic Optimum 39 birdlike dinosaur 39 temperate rainforest 39 coolings 39 icefield 39 greenhouse warming 39 Cold War 39 Altai Mountains 39 Adelies 39 Velafrons 39 giraffes numbered 39 diatoms 39 Rancho La Brea 39 Arturo Toscano 39 lowland gorillas 39 methanogens 39 choanoflagellates 39 vertebrates 39 extinction 39 evolutionary adaptation 39 lunar meteorites 39 Quelccaya ice cap 39 Darwinius masillae 39 Pterosaurs 39 paleo 39 H. floresiensis 39 glaciers 39 OkCupid.com sees 39 austral winter 39 inhabited 39 tyrannosaurus rex 39 dinosaur Tawa hallae 39 tetrapods 39 sedimentary deposits 39 Neolithic Period 39 Ptolemaic 39 Sumatran orangutans 39 phyla 39 Kilimanjaro glaciers 39 Rodolfo Salas 39 Dinosaurs 39 supervolcano eruption 39 stegosaurs 39 Giganotosaurus 39 mighty T. rex 39 Spanish Conquistadors 39 Khmer empire 39 extinct mammal 39 pikas 39 ray finned fishes 39 Ice Shelf 39 Repenomamus 39 Sauropod 39 icesheet 39 Terre Adelie 39 Preclassic 39 Bylot Island 39 Indus civilization 39 PETM 39 ocean basins 39 continental crust 39 Theropods 39 lineages 39 mammalian evolution 39 Antarctic Peninsula 39 microfossils 39 Spinosaurus 39 hominid skull 39 brachiopods 39 distinct Acheulian design 39 Radiocarbon dating 39 Antarctic icesheet 39 Laetoli 39 bristlecone pines 39 extinct species 38 Xia Dynasty 38 Prehistoric 38 Edmontosaurus 38 anomalously warm 38 yedoma 38 apelike 38 Germanic tribes 38 Late Archaic 38 grassy savanna 38 species Australopithecus sediba 38 ceratopsian 38 Adélie penguins 38 sea otter population 38 Australopithecus genus 38 peccary 38 Sahelanthropus 38 Laki eruption 38 neutrino physics 38 terrestrial ecosystems 38 astronomical alignments 38 arctic 38 Gondwana 38 necked dinosaur 38 angiosperms 38 taxa 38 hieroglyphic script 38 epigenomes 38 Anasazi 38 icecaps 38 metazoans 38 punctuated equilibrium 38 JBS Haldane 38 theropods 38 Wilkins Ice Shelf 38 forcibly Arabized 38 tyrannosaur 38 eukaryotes 38 primordial soup 38 Yuan dynasty 38 sabertooth cat 38 sediments deposited 38 CO2 concentrations 38 Qesem Cave 38 paleobotany 38 homosapiens 38 Wollemi pine 38 Inca empire 38 Crichton ankylosaur 38 limestone cave 38 supercolony 38 twentieth century 38 Troodon 38 Meiji Restoration 38 long necked sauropods 38 kyr 38 Siberian mammoths 38 reproductively isolated 38 nineteen sixties 38 Greenland icecap 38 Polar Regions 38 eons 38 #.#C warmer 38 Raptorex kriegsteini 38 Dromomeron 38 lake sediment cores 38 domesticated pigs 38 Jin Dynasty 38 mammalian carnivores 38 Palaeozoic 38 ancestral Puebloan 38 sub glacial lakes 38 Weddell Sea 38 unexplored frontier 38 kipunji 38 pygmy chimpanzees 38 volcano sedimentary sequences 38 feudal serfdom 38 Atapuerca 38 multi celled 38 Otto Bliesner 38 sauropod 38 Eadgyth 38 brontosaurus 38 caribou reindeer 38 magma ocean 38 atmospheric CO2 38 Mongol empire 38 colonial empires 38 Diplodocus 38 retreating glaciers 38 vertebrate fossils 38 exquisitely preserved 38 hunter gatherer lifestyle 38 Devonian 38 angiosperm 38 Jurrasic Park 38 geochronology 38 Antarctic 38 dromaeosaurid 38 Ancient tomb 38 Jean Baptiste Lamarck 38 supertree 38 Black footed ferrets 38 staghorn coral 38 fossilized skulls 38 Denisova Cave 38 Aardonyx 38 coelurosaurs 38 Sahelanthropus tchadensis 38 warmer wetter 38 retreating glacier 38 Anthony Barnosky 38 frozen wasteland 38 coprolite 38 Ziegler Reservoir 38 Stonehenge monument 38 Egyptian pharaohs 38 Massospondylus 38 paleoecologist 38 SN #/#/# [002] 38 Cape Royds 38 homo floresiensis 38 mammoth tusks 38 millenia 38 Lévi Strauss 38 Brigham Grette 38 Mesoamerica 38 Zeebe 38 Ankylosaurus 38 wild boar tusks 38 Oligocene 38 dawn redwood 38 smallest marsupials 38 permafrost soils 38 extinct mammoths 38 reindeer herds 38 Proterozoic 38 Dolores Piperno 38 Brusatte 38 Vesuvius eruption 38 Niles Eldredge 38 vertebrate animals 38 moraines 38 assassin spiders 38 saber toothed cats 38 tiny single celled 38 refugia 38 Lamarck 38 wet slobber 38 vertebrate paleontologist 38 mammals 38 VIDEO Egyptian mummies 38 Adélie penguin 38 fossilized pollen 38 Ming Dynasty #-# 38 Siple Dome 38 sabertooth tiger 38 multi celled organisms 38 Martian craters 38 geologic 38 Juravenator 38 paleoclimatic 38 icehouse 37 Apatosaurus 37 Xiphactinus 37 lunar crust 37 ancestral Puebloans 37 Lake Untersee 37 polar icecap 37 distinct lineages 37 collapsing sand dune 37 Hellenistic 37 emperor Constantine 37 Kostenki 37 Torosaurus 37 sunlike star 37 Tillamook Burn 37 subglacial 37 African savanna 37 lagomorphs 37 Norman Conquest 37 Gryposaurus monumentensis 37 Cretaceous Tertiary extinction 37 Cretaceous Tertiary KT 37 Çatalhöyük 37 T. rex 37 mammoth tusk 37 ecoregions 37 eastern lowland gorillas 37 calderas 37 microbialites 37 jawed vertebrates 37 prokaryotes 37 microbial ecosystems 37 earliest hominids 37 horned Triceratops 37 cnidarians 37 Paleozoic 37 dozen concrete fishways 37 wild Bactrian camels 37 ancient Polynesians 37 apelike ancestors 37 microcephalics 37 Natalie Mahowald 37 bipedalism 37 Pharaoh Tutankhamen 37 datable 37 ancient lava flows