Related by context. All words. (Click for frequent words.) 65 Upper Paleolithic 63 Upper Palaeolithic 62 Middle Paleolithic 62 Early Cretaceous 61 Pliocene 61 Middle Palaeolithic 61 Ediacara 61 Cenozoic 61 hominoid 60 Neogene 60 Ediacaran 60 Late Cretaceous 59 planktonic foraminifera 59 faunas 59 Cenozoic Era 59 Heterodontosaurus 59 Neoproterozoic 58 Plio Pleistocene 58 humans Homo sapiens 58 hominoids 58 Late Miocene 58 phylogeographic 58 Cretaceous Paleogene boundary 58 Cenozoic era 58 Phanerozoic 58 Carboniferous 58 Late Devonian 58 australopithecines 57 homo erectus 57 Archaean 57 ramidus 57 Tertiary Period 57 vesper bats 57 Devonian Period 57 H. habilis 57 Miocene Epoch 57 mya 57 Miocene epoch 57 Eocene 57 Pleistocene 57 morphologically distinct 56 Late Triassic 56 Last Glacial Maximum 56 Late Ordovician 56 Paleolithic 56 interglacial 56 H. sapiens 56 Acheulian 56 Palaeolithic 56 Malapa 56 gracile 56 terrestrial vertebrates 56 hominid species 56 Pleistocene Epoch 56 Late Pleistocene 56 Early Archaic 56 Homo sapiens evolved 56 Late Jurassic 56 cratons 56 robustus 55 Cretaceous Period 55 paleoenvironmental 55 Cretaceous Tertiary boundary 55 Jurassic Period 55 habilis 55 Mesozoic 55 Permian Triassic 55 Paranthropus robustus 55 ornithischians 55 Pleistocene epoch 55 Acanthostega 55 H. erectus 55 biogeographic 55 strontium isotope 55 interglacials 55 Early Bronze Age 55 Eocene epoch 55 Aurignacian 55 Australopithecus anamensis 55 Homo ergaster 55 paleomagnetic 54 hominid fossil 54 hominins 54 Cretaceous 54 interglacial periods 54 genus homo 54 Noachian 54 Cambrian Period 54 Doushantuo Formation 54 Mesolithic 54 biogeographical 54 speleothems 54 megafaunal 54 fossils excavated 54 prehistoric 54 herbivorous dinosaurs 54 Homo heidelbergensis 54 Paleocene Eocene Thermal Maximum 54 Late Paleozoic 54 Orrorin tugenensis 54 oxygen isotope ratios 54 kyr 54 Ediacaran Period 54 conodonts 54 fossils unearthed 54 paleoclimatic 54 benthic foraminifera 54 Paranthropus 54 interglacial period 54 ceratopsian 54 hominid fossils 54 partial skeleton 54 Neolithic 54 Dikika 54 anthropoid primates 53 Eocene Epoch 53 Stegodon 53 Toba eruption 53 Triassic Period 53 magmatism 53 ostracods 53 palaeo 53 ostracodes 53 megadroughts 53 Gigantopithecus 53 temporal variability 53 Cambrian Explosion 53 Late Cretaceous Period 53 microfossils 53 Noachian era 53 Middle Miocene 53 ontogenetic 53 Tawa hallae 53 A. ramidus 53 Mesozoic era 53 Gondwanan 53 Mammuthus 53 dromaeosaurid 53 carbon isotope ratios 53 Panderichthys 53 vertebrate fossils 53 Fossilized 53 radiocarbon dated 53 anamensis 53 mammal extinctions 53 faunal 53 sedimentological 53 Cretaceous Paleogene 52 KT boundary 52 Ardipithecus ramidus 52 earliest hominid 52 isotope composition 52 Neolithic Age 52 relict 52 Zhoukoudian 52 glaciations 52 sedimentary layers 52 Paleoindian 52 altitudinal 52 Castorocauda 52 Oligocene epoch 52 mtDNA sequence 52 angiosperm 52 H. floresiensis 52 Hominid 52 species Australopithecus afarensis 52 Permo Triassic 52 Carboniferous Period 52 palaeolithic 52 Permian Period 52 Neanderthal extinction 52 Paleozoic Era 52 Quaternary 52 bony fishes 52 hominid evolution 52 Galapagos finches 52 tetrapod 52 Neandertals 52 ichthyosaurs 52 Laetoli 52 Permian Triassic boundary 52 stromatolites 52 hominids 51 Homo erectus 51 sauropodomorphs 51 Neanderthal skeletons 51 homo floresiensis 51 placental mammals 51 Tarbosaurus 51 Australopithecus africanus 51 Gawis 51 cretaceous 51 Paleocene 51 Mesozoic Era 51 Sahelanthropus 51 multi celled 51 hominid 51 carboniferous 51 refugia 51 hominin species 51 giganteus 51 Appy Sluijs 51 Triassic Jurassic 51 Confuciusornis 51 coeval 51 ancient hominid 51 deglaciation 51 bilaterians 51 mid Pliocene 51 Homo species 51 hominin 51 Chalcolithic 51 marsupial mammals 51 tyrannosaurids 51 distinct Acheulian design 51 interannual 51 iridium layer 51 Pliocene epoch 51 Homo sapiens 51 haplogroups 51 Late Archaic 51 placental mammal 51 Palaeo 51 Pan troglodytes 51 Neolithic Period 51 hominin fossils 51 invertebrate animals 51 braincase 51 Paleolithic Age 51 Ice Ages 51 fossilized footprints 51 stromatolite 51 Ordovician 51 fossils 51 isotopic compositions 51 depositional environment 51 carbon isotopes 51 Paleogene 51 Indus civilization 50 Cryogenian 50 radiometric dating 50 Early Cretaceous Period 50 presolar grains 50 primate lineage 50 Sturtian 50 Mousterian 50 Darwin finches 50 fine grained sediment 50 hominid footprints 50 Neandertal 50 Fossilised 50 Gondwanaland 50 Oligocene 50 Ichthyostega 50 megafauna 50 Pierolapithecus 50 PancakeCroc 50 Mio Pliocene 50 morphological similarities 50 snail shells 50 birdlike dinosaur 50 Paleo Indian 50 Denisovan 50 Koobi Fora 50 Radiocarbon 50 Asilisaurus 50 Herto 50 Liang Bua 50 isotope ratios 50 fossilisation 50 giant squid Architeuthis 50 C4 grasses 50 bonebed 50 prehuman 50 spatial variability 50 Psittacosaurus 50 Laetoli Tanzania 50 sedimentary deposits 50 mammal fossils 50 marsupial lions 50 archeopteryx 50 Australopithecus 50 anthropoids 50 mitochondrial genomes 50 Massospondylus 50 sexually dimorphic 50 radiocarbon dates 50 Sauropod 50 Cretaceous periods 50 genus Homo 50 floresiensis 50 Sedimentary rocks 50 nicknamed Ardi 50 continental crust 49 metazoan 49 mammal lineages 49 morphologically 49 earliest hominids 49 metazoans 49 radiocarbon dating 49 prehistory 49 Neanderthals interbred 49 supertree 49 ancient supercontinent 49 ichthyosaur 49 Natufian 49 radiocarbon 49 Triassic 49 monophyletic 49 flood basalts 49 megadrought 49 Aptian 49 Radiocarbon dating 49 undescribed species 49 extinct mammals 49 taxa 49 Haast eagle 49 Precambrian 49 placoderm 49 geochronology 49 sympatric speciation 49 Gran Dolina 49 Iguanodon 49 Mg Ca 49 bryozoans 49 vertebrate evolution 49 terrestrial mammals 49 fossilization 49 Palaeozoic 49 Permian extinction 49 crinoid 49 Homo antecessor 49 artiodactyls 49 abundances 49 cyclicity 49 primate evolution 49 hominid lineage 49 warm interglacial 49 palaeoclimate 49 coral skeletons 49 bird Archaeopteryx 49 Lapita 49 Myr 49 Gohar Tepe 49 Homo neanderthalensis 49 glaciation 49 morphological evolution 49 sexual dimorphism 49 homo habilis 49 dromaeosaurs 49 fossilized coral 49 lobe finned fishes 49 theropod dinosaur 49 Laurasia 49 Brontomerus 49 taxonomic classification 49 Mesozoic mammals 49 marine sediments 48 vertebrate fossil 48 brachiopods 48 climatic variability 48 microfossil 48 maternal lineages 48 megalodon 48 fossilized skull 48 Climatic Optimum 48 Australian aborigines 48 phylogenies 48 bipedal ape 48 accretionary 48 chondrites 48 Phylogenetic 48 hominid skull 48 Dakosaurus andiniensis 48 sediments deposited 48 Uberabasuchus 48 Upper Triassic 48 forams 48 SN #/#/# [002] 48 Megalithic 48 Saqqaq 48 necked dinosaur 48 feathered dinosaurs 48 H. heidelbergensis 48 Blombos Cave 48 nitrogen isotopes 48 Eemian 48 phylogenetically 48 fossilized specimens 48 fossilized skulls 48 hyraxes 48 Gobero 48 Hadean 48 Kadanuumuu 48 Archaeopteryx 48 fossilized pollen 48 Cretaceous Tertiary 48 lactase persistence 48 placentals 48 isotopic 48 Sinosauropteryx 48 fossil 48 Younger Dryas 48 anthropoid 48 sapiens 48 long necked dinosaur 48 Middle Awash 48 crocodiles turtles 48 Harappan 48 Europasaurus 48 interannual variability 48 crustal thickness 48 Homo habilis 48 phenotypic variation 48 Archaic Period 48 mitochondrial genome sequence 48 carcharias 48 mitochondrial DNA sequences 48 foraminifera 48 Paleozoic era 48 extinct mammal 48 sediba 48 Icadyptes 48 sauropod dinosaur 48 Navajo Sandstone 48 Fe Mn 48 isotopic ratios 48 temperate forests 48 nomadic hunter gatherers 48 sauropod dinosaurs 48 Zalasiewicz 48 Miocene Pliocene 48 chordates 48 cytochrome b 47 theropods 47 Ileret 47 sulfur isotopes 47 Cambrian explosion 47 Homo erectus evolved 47 hyrax 47 Olduvai 47 phreatic 47 chondritic 47 hunter gatherer tribe 47 Medieval Warm 47 Cucumis 47 comet nuclei 47 preserved fossils 47 lavas 47 phylogenetic relationships 47 tyrannosaur 47 mitochondrial Eve 47 oxygen isotope 47 crania 47 eukaryotic organisms 47 geomorphological 47 phyllosilicate 47 Homo Sapiens 47 Miocene 47 aragonite 47 mtDNA sequences 47 phytoliths 47 chimpanzees Pan troglodytes 47 Irvingtonian period 47 feathered dinosaur 47 CAIs 47 morphological traits 47 zircons 47 suborder 47 volcanism 47 Linheraptor 47 genus Australopithecus 47 Orogeny 47 prehistorical 47 evolvability 47 lobe finned fish 47 Australopithecus afarensis 47 peccary 47 Neanderthal bones 47 Indus valley 47 depositional 47 isotopic composition 47 primitive organisms 47 holotype 47 Tiktaalik roseae 47 Pleistocene Age 47 Cuddie Springs 47 spadefoot 47 herbivorous dinosaur 47 erectus 47 caecilians 47 fossilized dinosaur bones 47 molecular phylogenetic 47 geological epoch 47 craton 47 Orrorin 47 supervolcano eruption 47 Teleostei 47 brachiopod 47 Pleistocene Ice Age 47 morphometric 47 biotopes 47 exquisitely preserved 47 coprolite 47 middens 47 basaltic 47 hadrosaurs 47 DuckCroc 47 Holocene 47 sauropod 47 archosaur 47 Olduvai Gorge 47 Fig. 1b 47 prehistoric lizard 47 coprolites 47 distinct lineages 47 decadal variability 47 seabed sediments 47 evolutionary lineages 47 herbarium specimens 47 semidesert 47 Treponema pallidum 47 hunter gatherer societies 47 Laetoli footprints 47 Gangetic 47 tumulus 47 Maastrichtian 47 Genyornis 47 species Homo floresiensis 47 sifaka 47 eukaryote 47 ecoregions 47 subgenus 47 evolutionary lineage 47 Spinosaurus 47 dinosaur species 47 radiocarbon tests 47 Sahelanthropus tchadensis 47 δ 47 ostrich eggshells 47 Skhul 47 archeologists unearthed 47 carnivorous mammals 47 T. hallae 47 chimps diverged 47 Geologically speaking 47 hermaphroditism 47 evolutionary divergence 47 lithic 47 Messinian 47 theropod 47 neotropical 47 caecilian 47 dinosaur precursors 47 multicellular 47 shell midden 47 glaciological 47 Pakasuchus 47 Anchiornis huxleyi 47 Camarasaurus 47 horned dinosaurs 47 anatomically modern 47 ornithopod 47 Extinctions 47 Cryogenian period 47 Sauropods 47 terrestrial mammal 46 Terre Adelie 46 glaciers retreated 46 Cenomanian 46 Y chromosomal 46 lacustrine 46 Lasius 46 isotopic signature 46 Cretaceous extinction 46 Palaeozoic era 46 GtC 46 Tyrannosaurs 46 pottery sherds 46 nephrite 46 Harappan civilization 46 archosaurs 46 basaltic rocks 46 extinct reptiles 46 recolonised 46 Late Bronze Age 46 dinosaurian 46 colonizations 46 Australopithecus sediba 46 fossilized 46 hunter gatherer populations 46 silicic 46 dinosaur genera 46 tuataras 46 Upper Cretaceous 46 Sundaland 46 Middle Jurassic 46 Chacoan 46 plesiosaurs 46 Plateosaurus 46 Ordovician extinction 46 montane forests 46 Neanderthal 46 inhabitation 46 Quaternary Period 46 pre Incan 46 Middle Devonian 46 taxon 46 mosasaurs 46 Fossae 46 Argentinosaurus 46 Doushantuo 46 Linhenykus 46 Paleocene Eocene 46 molecular phylogeny 46 shell middens 46 Indohyus 46 Cretaceous Tertiary KT 46 marine biota 46 Current Warm Period 46 isotopic anomalies 46 Mehrgarh 46 Tiktaalik 46 Fossils 46 bdelloid rotifers 46 paleoclimate 46 metamorphism 46 avian dinosaurs 46 australopithecine 46 Snowball Earth 46 crinoids 46 skeleton unearthed 46 stalagmite 46 passerine birds 46 Laramidia 46 red colobus 46 pygmy mammoth 46 lake sediments 46 Fig. 4A 46 evolutionary relatedness 46 ophiolite 46 Osedax 46 Archaeological excavations 46 Dinosaur Bones Titans 46 fossilized bone 46 homologies 46 Bronze Age 46 multicellular animals 46 Riversleigh 46 elemental composition 46 glacial interglacial cycles 46 floras 46 dwarf hippos 46 fig. S1 46 Hor irw 46 fossilized remains 46 phyllosilicates 46 glaciers receded 46 glacial landforms 46 Hominids 46 Paranthropus boisei 46 Homo sapiens sapiens 46 Sumeria 46 hollow cylindrical 46 stony meteorites 46 zircon grains 46 hunter gatherers 46 sauropodomorph 46 dimorphic 46 hoofed mammals 46 flint artifacts 46 Scientists theorize 45 endophytic 45 choanoflagellates 45 primitive meteorites 45 Nectocaris 45 hobbit sized 45 Lower Cretaceous 45 Turkana Basin 45 freshwater snails 45 multi decadal 45 mammoths roamed 45 Mesoproterozoic 45 polyploid 45 animal phyla 45 sensu lato 45 Palaeocene Eocene Thermal Maximum 45 carnivore species 45 ancient hominids 45 palaeontological 45 Upper Jurassic 45 lunar meteorites 45 cu Oase 45 dolomites 45 Harvati 45 Prehistoric 45 Paleozoic 45 Paleolithic Era 45 alpine glaciers 45 tectonically 45 A. afarensis 45 BIFs 45 Argentavis 45 martian meteorites 45 cosmogenic 45 P. boisei 45 brow ridges 45 ancestors migrated 45 Uberabasuchus lived 45 morphological 45 southern supercontinent 45 angiosperms 45 basalts 45 Pterosaur 45 alluvial plains 45 Galapagos Archipelago 45 maternal ancestor 45 Prototaxites 45 otolith 45 Medieval Warm Period 45 smectite 45 paleoecology 45 tetrapods evolved 45 smithii 45 evolutionary origins 45 Dinosaur fossils 45 Ice Age mammals 45 apelike 45 #BC [003] 45 Mapusaurus roseae 45 T. hallae skeletons 45 Puijila 45 warmings 45 flint tools 45 Lophelia 45 La Nià ± 45 Ventastega 45 evaporite 45 parasitaemia 45 gabbros 45 hominid skeleton 45 pterosaur 45 lunar highlands 45 bryozoan 45 backboned animals 45 otoliths 45 supercontinent 45 preindustrial 45 Paleo Indians 45 hunter gatherer tribes 45 granitoids 45 Fossilized bones 45 Proterozoic 45 Homo erectus fossils 45 hydrated electron 45 multicellular organisms 45 deformational 45 Ediacara organisms 45 gorilla chimpanzee 45 ancestral Puebloan 45 Cambrian Ordovician 45 echinoderm 45 Pre Pottery Neolithic 45 introgression 45 tetrapods 45 ilmenites 45 Homo genus 45 olivines 45 lowland tropical 45 Platypuses 45 datable 45 mangabeys 45 tortoise shells 45 microcephalics 45 ectotherms 45 Sinus Meridiani 45 equatorial latitudes 45 Moya Sola 45 methane burps 45 cnidarians 45 Turiasaurus 45 Jurassic Cretaceous 45 Adélie penguins 45 coelurosaurs 45 Lower Proterozoic 45 Paleoproterozoic 45 Norte Chico 45 Darwinopterus 45 Coelophysis 45 stegosaurs 45 Makovicky 45 Dmanisi 45 Microraptor 45 subfamily 45 carnivorous dinosaur 45 olivine rich 45 climatic variations 45 Onthophagus 45 Carcharodon megalodon 45 africanus 45 glacial interglacial 45 Crustal 45 chondrules 45 steppe mammoth 45 glaciers melted 45 ray finned 45 geophysically 45 protozoans 45 A. sediba 45 Dinosauria 45 Subarctic 45 ontogeny 45 Middle Eocene 45 peridotitic 45 platypuses 45 gymnosperms 45 orogenic 45 olivine crystals 45 bristlecone pines 45 Juravenator 44 Lark Quarry 44 palaeontologists 44 Beringia 44 Ötzi 44 oxygen isotopes 44 Pleistocene era 44 long necked sauropod 44 Neanderthals 44 ferruginous 44 Curved fingers 44 Roman Warm Period 44 landforms 44 Chert 44 nucleated 44 allelic variation 44 Microraptor gui 44 petroglyphs depicting 44 vertebrate species 44 sister taxon 44 tectonic uplift 44 nematode worm 44 Interglacial 44 karsts 44 dinosaur specimens 44 lunar crust 44 Dolores Piperno 44 single celled yeast 44 cichlid 44 microscopic fossils 44 insectivore 44 Shang Dynasty 44 deep convective clouds 44 Neanderthal fossils 44 polyploidy 44 trilobites 44 ivory flutes 44 comb jelly 44 volcanic lava 44 isotopic analysis 44 Guanlong wucaii 44 saber tooth cat 44 peridotites 44 diatom 44 midlatitude 44 called lobate scarps 44 kipunji 44 undescribed 44 Chengjiang 44 Antarctic Dry Valleys 44 cosmic ray intensity 44 atmospheric CO2 levels 44 carbonate sediments 44 neolithic 44 pillow lavas 44 igneous rock 44 mammoths mastodons 44 radiocarbon analysis 44 Sinornithosaurus 44 ancient arthropods 44 T.rex 44 mineralized mafic 44 Lower Jurassic 44 Woolly mammoth 44 Maiacetus 44 Dry Valleys 44 coelacanths 44 relative abundances 44 duckbilled dinosaur 44 magnetic susceptibility 44 unicellular 44 Proteobacteria 44 flatfishes 44 Smilodon 44 chimp genomes 44 harlequin frogs 44 Troodon 44 oxygen isotopic composition 44 Pachycephalosaurus 44 predatory dinosaurs 44 physiographic 44 concretions 44 A. thaliana 44 Elamite 44 Navajo sandstone 44 Caenorhabditis 44 epigraphic 44 tropical latitudes 44 Nilo Saharan 44 Neanderthal genes 44 jawless 44 Xenopus 44 oligotrophic 44 mastodon tusk 44 prehistoric crocodile 44 dinosaurs roamed 44 komatiites 44 siliciclastic 44 oceanic lithosphere 44 ape ancestor 44 SNe Ia 44 cichlid species 44 hyena dung 44 superheavy elements 44 igneous rocks 44 Ontario Lacus 44 tiny single celled 44 titanosaurs 44 Arabia Terra 44 Sterkfontein caves 44 Neanderthal teeth 44 orthologous genes 44 steppe bison 44 Ankylosaurus 44 granite gneiss 44 Chlamydomonas reinhardtii 44 Mesopotamian civilization 44 skeletal fragments 44 phylogeny 44 common ancestor 44 seafloor sediments 44 systematics 44 polar mesospheric clouds 44 sequence homology 44 Gryposaurus monumentensis 44 Zilhao 44 monotreme 44 subglacial 44 necked dinosaurs 44 phenological 44 morphological characteristics 44 Gorham Cave 44 ammonites 44 marine reptiles 44 microbialites 44 Lower Paleolithic 44 hindlimbs 44 glacial retreat 44 cave stalagmites 44 Karoo Supergroup 44 dinosaurs 44 endemic species 44 temperate latitudes 44 marine invertebrates 44 polygenic 44 Plesiosaurs 44 layered ultramafic 44 tropospheric temperature 44 Shennongjia 44 Tianyulong 44 Kipunji 44 biosignatures 44 golden toad 44 chondritic meteorites 44 extremophile bacteria 44 Deccan eruptions 44 ratite 44 previously undescribed 44 isopods 44 lakebed sediments 44 carbonaceous chondrites 44 archaeal 44 geological strata 44 Martian meteorite 44 previously unstudied 44 Mrs Ples 44 Dogon tribe 44 juvenile Columbian mammoth 44 Supplementary Fig 44 Ethiopia Afar 44 dinosaur lineages 44 hadrosaur 44 fossilized dinosaur 44 atmospheric CO2 concentration 44 gorillas chimps 44 Kosmoceratops richardsoni 43 Zhou dynasties 43 tyrannosaurs 43 Caucasoid 43 Anchiornis