Related by context. All words. (Click for frequent words.) 78 Upper Palaeolithic 74 Palaeolithic 73 Middle Paleolithic 71 Paleolithic 69 Mesolithic 68 Aurignacian 67 Neolithic 66 Pleistocene 66 Early Archaic 65 Middle Pleistocene 65 Middle Palaeolithic 65 Neandertals 64 Paleoindian 64 Late Jurassic 64 Late Archaic 64 Archaic Period 63 Neolithic Period 63 Neolithic Age 63 palaeolithic 63 Late Triassic 63 Paleo Indian 62 Pleistocene epoch 62 Acheulian 62 humans Homo sapiens 62 Early Bronze Age 62 Bronze Age 61 Triassic Period 61 Pleistocene Epoch 61 Homo heidelbergensis 61 prehistoric 61 Mousterian 61 Pliocene 61 Devonian Period 61 Chalcolithic 61 Mesopotamian civilization 61 Eocene epoch 61 Paleolithic Age 61 Early Cretaceous 60 Late Cretaceous 60 Neanderthals 60 hominins 60 hunter gatherers 60 prehistory 60 Paleolithic Era 60 Cretaceous Period 60 Late Pleistocene 59 Cenozoic Era 59 Ediacaran 59 Jurassic Period 59 Middle Ages 59 H. erectus 59 Eocene 59 Iron Age 59 Paleozoic Era 58 Carboniferous 58 ornithischians 58 hominid fossils 58 Neandertal 58 interglacial 58 Last Glacial Maximum 58 Neoproterozoic 58 australopithecines 58 Late Devonian 58 Sassanid era 58 Preclassic 58 Cambrian Period 58 mitochondrial Eve 58 anatomically modern 58 Homo antecessor 57 Oligocene epoch 57 Cenozoic 57 Cenozoic era 57 Tertiary Period 57 Paleolithic era 57 prehistorical 57 Homo sapiens evolved 57 Neogene 57 Paleocene 57 Cretaceous 57 Neanderthal 57 Archaic 57 Dmanisi 57 Homo neanderthalensis 57 Permian Period 57 nomadic hunter gatherers 57 H. habilis 56 Hellenistic 56 Indus civilization 56 Heterodontosaurus 56 Paleo Indians 56 pottery sherds 56 Neolithic era 56 neolithic 56 hominoid 56 Homo sapiens 56 hunter gatherer societies 56 Neanderthal extinction 56 Noachian 56 interglacial periods 56 H. sapiens 55 Skhul 55 hominid species 55 hominin fossils 55 Harappan 55 Middle Miocene 55 fifteenth century 55 Blombos Cave 55 Late Bronze Age 55 interglacial period 55 faunas 55 Saqqaq 55 Triassic 55 Elamite 55 Miocene Epoch 55 Precambrian 55 mammal fossils 55 Lower Paleolithic 55 Cambrian Explosion 55 Neanderthals interbred 55 dromaeosaurs 55 Eocene Epoch 55 #BC [003] 55 Etruscans 55 flint tools 55 sauropodomorphs 55 Little Ice Age 55 Çatalhöyük 55 Herto 55 megadroughts 55 Quaternary 55 homo erectus 54 Olmecs 54 glaciation 54 Beringia 54 #th century 54 ceramic shards 54 hunter gatherer 54 Paranthropus 54 Caddoan 54 hominin 54 Palaeozoic 54 Climatic Optimum 54 Plio Pleistocene 54 genus homo 54 megafauna 54 Gigantopithecus 54 Pleistocene era 54 Fertile Crescent 54 Late Cretaceous Period 54 hominids 54 prehistoric cave 54 Younger Dryas 54 millennium BC 54 maternal lineages 54 Paranthropus robustus 53 hominin species 53 glaciations 53 Ordovician 53 lithic 53 Megalithic 53 Han Dynasty 53 Mesozoic era 53 ivory flutes 53 feathered dinosaurs 53 supercontinent 53 anthropoid primates 53 hominoids 53 Kostenki 53 hunter gatherer populations 53 Homo ergaster 53 Cenomanian 53 Pleistocene Age 53 Homo species 53 Ptolemaic 53 Medieval Warm Period 53 tyrannosaurids 53 radiocarbon dated 53 Neanderthal bones 53 millennium BCE 53 Parthian era 53 Mycenaean 53 nineteenth century 53 southern supercontinent 53 Miocene epoch 53 earliest hominid 53 ramidus 53 radiocarbon dating 53 hominid evolution 53 Iguanodon 53 Sassanid eras 53 A. ramidus 53 habilis 53 Radiocarbon dating 53 Eemian 53 Oligocene 52 lobe finned fish 52 Australopithecus 52 Holocene 52 seventeenth century 52 ancient Sumerians 52 predatory dinosaurs 52 Phanerozoic 52 Mehrgarh 52 shell middens 52 Laurasia 52 Carboniferous Period 52 Homo sapiens sapiens 52 Paleocene Eocene Thermal Maximum 52 trilobites 52 Thracians 52 distinct Acheulian design 52 Gohar Tepe 52 Moche culture 52 interglacials 52 mammoths 52 Paleozoic 52 Interglacial 52 fossils 52 Paleozoic era 52 Panderichthys 52 Xia Dynasty 52 multicellular animals 52 Jurassic 52 haplogroups 52 Homo erectus 52 Natufian 52 Late Ordovician 52 woolly rhinoceros 52 Hominid 52 paleoenvironmental 52 Late Miocene 52 Elamite era 52 Columbian mammoth 52 thirteenth century 52 Lapita 52 cretaceous 52 megadrought 52 speleothems 52 Mesozoic 52 datable 52 Estrada Belli 52 ancestral Puebloan 52 Wil Roebroeks 52 Irvingtonian period 52 Harappan civilization 51 Qesem Cave 51 vesper bats 51 Shang Dynasty 51 T. hallae 51 theropods 51 stromatolites 51 stegosaurs 51 hominid fossil 51 eighteenth century 51 Otzi 51 Chacoan 51 Hadean 51 fourteenth century 51 megafaunal 51 Eurasians 51 Mound Builders 51 archeopteryx 51 Roman Byzantine 51 Pliocene epoch 51 biogeographic 51 KT boundary 51 Achaemenid era 51 Germanic peoples 51 Medieval Warm 51 hominid 51 Archaean 51 preindustrial 51 Mesoamerica 51 Neanderthal fossils 51 carboniferous 51 Holocene epoch 51 robustus 51 Indus valley 51 genus Homo 51 Ilkhanid 51 dromaeosaurid 51 vertebrate fossils 51 Nicholas Conard 51 faunal 51 Mammuthus 51 twentieth century 51 Gondwanaland 51 ancient hominids 51 Castorocauda 51 terrestrial vertebrates 51 erectus 51 primate evolution 51 cratons 51 pottery fragments 51 Ötzi 51 dinosaur precursors 51 Olmec civilization 51 Ediacaran Period 51 Medieval Warming 51 tetrapod 51 Ice Ages 51 Australopithecus anamensis 51 humans interbred 50 radiocarbon 50 the#th century 50 Gobero 50 terrestrial mammal 50 petroglyphs depicting 50 Olmec culture 50 Seljuk 50 H. heidelbergensis 50 lactase persistence 50 Homo Sapiens 50 anamensis 50 eukaryote 50 fossils unearthed 50 Altai Mountains 50 feathered dinosaur 50 ca. #-# [001] 50 ancient Mesopotamia 50 Radiocarbon testing 50 anthropoids 50 Neanderthal skeletons 50 Mesoamerican cultures 50 Cryogenian period 50 Neanderthal teeth 50 Australopithecus africanus 50 hunter gatherer tribes 50 dinosaur specimens 50 deglaciation 50 species Australopithecus afarensis 50 magmatism 50 mya 50 XIX century 50 Mesozoic Era 50 paleolithic 50 extinct mammals 50 Stone Age 50 herbivorous dinosaurs 50 Cretaceous extinction 50 Chinchorro 50 Cretaceous Paleogene boundary 50 Snowball Earth 50 ceratopsian 50 Industrial Revolution 50 Toltecs 50 Dikika 50 Silurian 50 Australian aborigines 50 radiocarbon dates 50 Prehistoric 50 Trilobites 50 steppe mammoth 50 Mio Pliocene 50 primate lineage 50 radiocarbon tests 50 Graeco Roman 50 Permian extinction 50 Inca civilization 50 Carolingian 50 ostrich eggshells 50 Denisova Cave 50 Jin Dynasty 50 Zhou Dynasty 50 brachiopods 49 Stegodon 49 Pierolapithecus 49 therizinosaur 49 Jomon 49 Hittites 49 Tang dynasties 49 terrestrial mammals 49 bony fishes 49 Permian Triassic 49 epigraphic 49 Parthian 49 Cryogenian 49 Nazca civilization 49 relict 49 shell midden 49 Pre Columbian 49 morphologically distinct 49 Liang Bua 49 Proterozoic 49 bird Archaeopteryx 49 Paleogene 49 coprolites 49 Sumerian Babylonian 49 H. floresiensis 49 kyr 49 Meroitic 49 Gran Dolina 49 bonebed 49 Mongol empire 49 Triassic Jurassic 49 Theropods 49 depositional 49 Kiffian 49 flatfishes 49 Ice Age mammals 49 Hellenistic Roman 49 Sauropod 49 conodonts 49 ancient hominid 49 Na Dene 49 theropod dinosaur 49 Archaeological excavations 49 anthropoid 49 classical antiquity 49 Doushantuo Formation 49 Acanthostega 49 Cro Magnon 49 Sauropods 49 Anthropocene 49 ancient supercontinent 49 deformational 49 planktonic foraminifera 49 Roebroeks 49 Konar Sandal 49 Lower Cretaceous 49 potsherds 49 Fayum 49 crinoids 49 Pleistocene Ice Age 49 earliest tetrapods 49 Hellenistic era 49 warm interglacial periods 49 Atapuerca 49 Indo Aryans 49 Using radiocarbon dating 49 Yuan dynasty 49 Indo Aryan 49 sapiens 49 Egyptian pharaohs 49 Sarahsaurus 49 paleomagnetic 49 hominid skull 49 Gondwanan 49 sixteenth century 49 placental mammals 49 Upper Triassic 49 Woolly mammoths 49 Mediaeval 49 glaciers retreated 49 tyrannosaur 49 Norte Chico 49 sauropod dinosaur 49 Sumerians 49 dwarf hippos 49 Maya civilization 49 precolonial 49 crinoid 49 tumulus 49 Arabia Terra 49 Mesozoic mammals 49 hominid ancestors 49 Cival 49 Albertosaurus 48 primitive 48 crania 48 bryozoans 48 megalodon 48 Australopithecines 48 Aptian 48 Prehistory 48 Mesoamerican 48 prehuman 48 Tarbosaurus 48 Etruscan civilization 48 stag moose 48 pre Columbian 48 Cambrian explosion 48 Cretaceous periods 48 carnivorous dinosaurs 48 Puijila 48 forams 48 Laetoli Tanzania 48 Sassanid 48 animal phyla 48 Minoans 48 Confuciusornis 48 mammoths mastodons 48 fossilized footprints 48 Ordovician extinction 48 dinosaurs 48 Paleo 48 Makovicky 48 horned dinosaurs 48 Indus Civilization 48 Koobi Fora 48 mammal lineages 48 Permian Triassic boundary 48 haplogroup 48 titanosaurs 48 Radiocarbon 48 fossilized skulls 48 Iroquoian 48 paleoecology 48 A. sediba 48 Neoproterozoic era 48 Gnostic sect 48 hunter gatherer cultures 48 Archaeopteryx 48 Ice Age 48 sauropod 48 necked dinosaur 48 fossil 48 Middle Awash 48 cuneiform writing 48 Archaeologists uncover 48 Ancestral Puebloan 48 Kushitic 48 volcanism 48 Psittacosaurus 48 epochs 48 Chauvet Cave 48 Lascaux caves 48 Caucasoid 48 Homo genus 48 Ancestral Puebloans 48 smectite 48 mammal extinctions 48 Lévi Strauss 48 Linheraptor 48 phyllosilicates 48 angiosperm 48 Palaeozoic era 48 multi celled 48 Bronze Age civilization 48 long necked sauropod 48 Laramidia 48 geochronology 48 archaeologists unearthed 48 Homo erectus fossils 48 mollusk shells 48 australopithecine 48 snail shells 48 Illyrians 48 Thracian civilization 48 genetic lineages 48 supercontinent Pangaea 48 Botai 48 hominid lineage 48 dinosaur species 48 Miocene Pliocene 48 Olmec 48 Gohar Tappeh 48 Maiacetus 48 Falcarius 48 faience 48 Shang dynasty 48 Dry Valleys 48 sauropod skulls 48 Lower Palaeolithic 48 mtDNA sequence 48 mid Pliocene 48 Scythians 48 Hominids 48 Hohle Fels 48 Fossilized bones 48 Tawa hallae 48 prehispanic 48 Dinosauria 48 Fatimid dynasty 48 bison lumbered 48 lobe finned fishes 47 Incan Empire 47 Anchiornis 47 Prehispanic 47 Miocene 47 lactose tolerance 47 iridium layer 47 Zhoukoudian 47 Pre Pottery Neolithic 47 Hittite Empire 47 Chaco Canyon 47 ostracods 47 paleoclimatic 47 Sanxingdui 47 saber tooth cat 47 Roman Empire 47 sedimentary layers 47 aurochs 47 avian dinosaurs 47 chimps diverged 47 Brontomerus 47 Seventeenth Century 47 fossilized skeletons 47 dolomites 47 ancient civilization 47 Zapotecs 47 Fossae 47 biogeographical 47 Sumeria 47 Jurassic Triassic 47 craton 47 Paranthropus boisei 47 artiodactyls 47 Hellenistic Age 47 Neanderthal ancestry 47 Austronesian 47 metazoan 47 Navajo Sandstone 47 ancient 47 extinct mammal 47 nicknamed Ardi 47 Early Cretaceous Period 47 superheavy elements 47 archeological excavations 47 Pharaonic 47 continental crust 47 ancient Egyptians 47 Punic 47 Caral 47 burial mounds 47 Germanic tribes 47 warm interglacial 47 oracle bones 47 Milankovitch 47 antiquity 47 Sasanian 47 Dig unearths 47 radiometric dating 47 Haast eagle 47 theropod 47 pre Incan 47 hieroglyphic script 47 Qin Dynasty 47 glaciers receded 47 woolly mammoths 47 fossil specimens 47 cavewomen 47 c. #-# [002] 47 Roman Warm Period 47 Longshan 47 #BC [002] 47 ancient Phoenicians 47 Anchiornis huxleyi 47 coevolution 47 woolly rhinos 47 floresiensis 47 Neanderthal skeleton 47 avant gardes 47 glaciers melted 47 Greeks Romans 47 Seljuk Empire 47 ammonites 47 Lamarckian 47 adzes 47 ichthyosaur 47 archeologists unearthed 47 cu Oase 47 Neanderthals Homo neanderthalensis 47 Norman Conquest 47 Tel Rehov 47 stromatolite 47 mammoths roamed 47 Pindos 47 Han dynasty 47 Sagalassos 47 Noachian era 47 ancestors 47 placentals 47 Minoan Crete 47 dinosaurs roamed 47 phylogeographic 47 matriarchal societies 47 phylogenies 47 nomadic hunter gatherer 47 Quaternary Period 47 mastodon tusk 47 primitive organisms 47 millenary 47 Aztec Mayan 47 Uto Aztecan 47 flint arrowheads 47 mediaeval 47 continuously inhabited 47 exquisitely preserved 47 Incans 47 Argentinosaurus 47 Massospondylus 47 fossilized coral 47 Classical Romantic 47 ancients 47 dinosaur fossils 47 bilaterians 47 Oetzi 47 Willendorf 47 Ptolemaic era 47 dinosaur footprints 47 Denisovan 47 Ancient tomb 47 Fossilised 47 Denisovans 47 Inca civilizations 46 Seitaad ruessi 46 Achaemenid 46 funerary rituals 46 homo habilis 46 zircon grains 46 preserved mummies 46 Minoan 46 Spanish Conquistadors 46 Ardipithecus 46 placoderm 46 Subarctic 46 Henshilwood 46 ocean ridges 46 Ardipithecus ramidus 46 Greek philosopher Aristotle 46 philosopher Immanuel Kant 46 Achaemenid dynasty 46 carnivorous dinosaur 46 Upper Jurassic 46 flint artifacts 46 Dromomeron 46 dolmens 46 Great Oxidation Event 46 Ancient Ones 46 Archaeologists unearth 46 herbarium specimens 46 Netherlandish 46 coeval 46 homologies 46 wooly mammoths 46 gracile 46 Gondwana supercontinent 46 extinct reptiles 46 Inca Empire 46 sexually dimorphic 46 ancestral Puebloans 46 predates Christianity 46 nineteenth centuries 46 Mammoths 46 Umayyad 46 sauropods 46 Late Antiquity 46 peopling 46 Homo habilis 46 Aphrodisias 46 bristlecone pines 46 Sahelanthropus tchadensis 46 middens 46 Frijoles Canyon 46 sea scorpions 46 Noachian period 46 oviraptors 46 prehistoric mastodon 46 paleo 46 Treponema pallidum 46 Ming Dynasty #-# 46 relicts 46 Sturtian glaciation 46 winged dinosaur 46 Phrygian 46 partial skeleton 46 eusocial 46 Areni 46 Pleistocene Era 46 prehistoric lizard 46 Neanderthals roamed 46 Fatimid 46 angiosperms 46 Dilmun civilization 46 Haplogroup 46 sediba 46 Michelangelo Merisi da 46 rifting 46 twentieth centuries 46 Y chromosomal 46 ray finned fishes 46 marine sediments 46 Aardonyx 46 Sturtian 46 domestication 46 Ediacara 46 Neanderthal genes 46 Ancient Roman 46 antiquus 46 Safavid 46 #AD [002] 46 lifeways 46 Hohle Fels Cave 46 dinosaur genera 46 buffalo roamed 46 millennia 46 Buryats 46 Ventastega 46 Medieval 46 millenniums 46 late #th/early #th 46 decolonized 46 ancient Babylonia 46 Gawis 46 ancestors migrated 46 Genyornis 46 refugium 46 placental mammal 46 Renaissance Baroque 46 Osedax 46 Paleoproterozoic 46 vertebrate evolution 46 colonizations 46 loess 46 Europasaurus 46 coelacanths 46 crocodiles turtles 46 Anthropologists 46 multicellular 46 archaeologists excavated 46 Orrorin tugenensis 46 supervolcanoes 46 orogenic 46 Mochica 46 Georges Cuvier 46 Tang Dynasty #-# 46 ancient civilizations 46 Sahelanthropus 46 microfossil 46 Ancient Persia 46 duckbilled dinosaur 46 Syriac Christians 46 Homo sapiens originated 46 distinct lineages 46 Eocene Oligocene 46 Roman conquest 46 Daeschler 46 medieval 46 astronomer Ptolemy 46 supercontinents 46 polyploidy 46 Dinosaur fossils 46 nineteen forties 46 Mesoamerican civilization 46 Nabataean 46 interannual 46 Darwin finches 46 Current Warm Period 46 Algonquian 45 Nestorians 45 ca. 45 basaltic rocks 45 Ancestral Pueblo 45 Cubism Futurism 45 sauropod dinosaurs 45 plesiosaurs 45 Tiktaalik roseae 45 scroll fragments 45 ontogenetic 45 hadrosaur 45 astronomical alignments 45 Zhou dynasties 45 Yuan Dynasty #-# 45 sedimentary deposits 45 Harappa 45 ancient Babylonian 45 mosasaurs 45 Oc Eo 45 Sinosauropteryx 45 anthropological 45 Smilodon 45 Mesopotamians 45 Sarmatian 45 Denisova cave 45 boreal regions 45 metamorphism 45 Balhae 45 zoomorphic 45 geological epoch 45 Middle Eocene 45 Excavated 45 climatic variability 45 Greek polis 45 palaeontologists 45 artefacts unearthed 45 warmings 45 Sumerian 45 Sui Dynasty #-# 45 Asilisaurus 45 T. hallae skeletons 45 backboned animals 45 molar tooth 45 Achaemenian 45 coelurosaurs 45 Ottoman Empires 45 multi celled organisms 45 pictographic 45 microfossils 45 molecular phylogenetic 45 arrowheads 45 Meiji Period 45 tetrapods evolved 45 Kushite 45 #th/#th century 45 torosaurus 45 alpine glaciers 45 premodern 45 comb jelly 45 domesticated turkeys 45 Urartu 45 Incan empire 45 mammoths mastodons saber tooth 45 Copán 45 Pre Cambrian 45 Moche civilization 45 Palaeocene Eocene Thermal Maximum 45 Periodical cicadas 45 horned dinosaur 45 archaeological expedition 45 prehistoric mammals 45 Ethiopia Afar 45 Tang dynasty #-# 45 Cambrian Ordovician 45 hieroglyphic inscriptions 45 mitochondrial DNA lineages 45 pygmy mammoth 45 Hesperonychus 45 Ch'ing Dynasty 45 Nineteenth Century 45 Incas Aztecs 45 mtDNA sequences 45 Burgess Shale 45 ancient Assyrians 45 Icadyptes 45 Anasazi 45 refugia 45 archeology anthropology 45 chimpanzees Pan troglodytes 45 semi nomadic 45 Inkayacu 45 Lascaux 45 ostracodes 45 Gesher Benot 45 Ilkhanid era 45 Zoque 45 marine reptiles 45 Liu Qingzhu 45 Mayan glyphs 45 bison roamed 45 Yanomamo 45 Sinervo 45 effigy mounds 45 interbred 45 anthropogenic greenhouse gas 45 invertebrate animals 45 therizinosaurs 45 species interbred 45 Dinosaur Bones Titans 45 Laetoli footprints 45 Hadrosaur 45 Greek philosopher Plato 45 sea hydrothermal vents 45 olivine rich 45 Timucuan Indians 45 Pan troglodytes 45 braincase 45 genus Australopithecus 45 Byzantine Empire 45 Eighteenth Century 45 mitochondrial genomes 45 Mahforouzi 45 Siberian mammoths 45 Orcus Patera 45 undescribed species 45 Kadanuumuu 45 ancient Thracian 45 choanoflagellates 45 Sinornithosaurus 45 Egyptian tombs 45 reliefs depicting 45 Tianyulong 45 philosopher René Descartes 45 Zalasiewicz 45 temperate latitudes 45 earliest Homo sapiens 45 maternal ancestor 45 balds 45 fossilized skull 45 Cretaceous Paleogene 45 Qing dynasties 45 Troodon 45 chordates 45 geological strata 45 Lower Jurassic 45 mastodons 45 Mapusaurus 45 homosapiens 45 prehistoric caves 45 foraminifera 45 Tuvans 45 paternal lineages 45 proto Indo 45 depositional environment 45 civilization 45 Semitic peoples 45 T.rex 44 Siouan 44 theropod dinosaurs