Related by context. All words. (Click for frequent words.) 70 Eocene epoch 66 Pleistocene epoch 66 Miocene Epoch 65 Late Cretaceous Period 65 Cenozoic Era 65 Eocene Epoch 64 Jurassic Period 64 interglacial 64 Cretaceous Period 63 Permian Period 63 Triassic Period 63 interglacial period 62 mid Pliocene 62 Miocene epoch 62 Cambrian Period 62 Pleistocene Epoch 61 Devonian Period 61 Neoproterozoic era 61 Paleozoic Era 60 interglacials 60 Pleistocene Ice Age 59 lobe finned fish 59 Mesozoic era 59 Pleistocene Age 58 Irvingtonian period 58 Cretaceous periods 58 Late Cretaceous 58 H. habilis 57 Hesperian epoch 57 Noachian era 57 Paleocene Eocene Thermal Maximum 57 Palaeozoic era 57 Pliocene 57 Oligocene epoch 57 humans Homo sapiens 56 Ediacaran 56 dinosaurs roamed 56 Eemian 56 Pleistocene era 56 nicknamed Ardi 56 Paleozoic era 55 interglacial periods 55 Mesozoic Era 55 earliest hominid 55 mitochondrial Eve 55 Cryogenian 55 chimpanzees diverged 55 Homo sapiens evolved 55 Ediacaran Period 55 Pleistocene Era 55 Laetoli Tanzania 55 southern supercontinent 54 Homo habilis 54 degrees Fahrenheit warmer 54 Upper Palaeolithic 54 glaciations 54 Holocene epoch 54 Ardipithecus ramidus 54 bird Archaeopteryx 54 multicellular creatures 54 Early Cretaceous Period 54 Early Cretaceous 54 Late Devonian 54 hominid fossil 54 Acanthostega 54 Permian Triassic extinction 54 hominid species 54 Last Glacial Maximum 54 Ice Ages 53 Homo ergaster 53 species Australopithecus afarensis 53 Tertiary Period 53 Hesperian Epoch 53 Late Jurassic 53 australopithecines 53 Hadar Ethiopia 53 #.#C warmer 53 glaciers receded 53 Cambrian explosion 53 Australopithecus 53 Australopithecus afarensis 53 Homo species 53 Eyjafjallajokul erupted 53 Medieval Warming 53 Neogene 53 #.#C above 52 T. hallae skeletons 52 Pleistocene 52 Australopithecus anamensis 52 mya 52 Triassic Jurassic 52 Elamite era 52 duck billed hadrosaur 52 conodonts 52 Posted -# sec 52 lobe finned fishes 52 placental mammal 52 iridium layer 52 VIDEO Egyptian mummies 52 Cenozoic 52 tigers roamed 52 Gryposaurus monumentensis 52 partial skeleton 52 earliest tetrapods 52 Paleolithic era 52 Hadean 52 ° C warmer 52 Neolithic Age 52 faunas 52 Laurasia 52 ramidus 52 exquisitely preserved 52 kyr 52 supercontinent 51 Stegodon 51 steppe bison 51 Guanlong wucaii 51 Carboniferous Period 51 Late Ordovician 51 Cenozoic era 51 glaciers retreated 51 Upper Paleolithic 51 Argentinosaurus 51 preserved phonautograms many 51 Salang Tunnel Soviet 51 Cryogenian period 51 duckbilled dinosaur 51 Plesiosaurs 51 hominid fossils 51 fossilized creatures 51 anamensis 51 Cambrian Explosion 51 Aardonyx celestae species 51 warm interglacial periods 51 Permian extinction 51 KT boundary 51 megadroughts 51 hadrosaurs 51 backboned animals 51 Woolly mammoths 51 Guizhou Yunnan Sichuan 51 Middle Pleistocene 51 Khmer empire 51 primate evolution 51 Inca civilization 51 fossilized skeleton 51 brightly painted sarcophagus 51 Ayles Ice Shelf 51 mammal fossils 51 Siberian permafrost 51 COROT 7b 51 Dig unearths 51 Inquirer weekday circulation 50 Paleolithic Age 50 By GlobalGrind Staff 50 sauropod dinosaur 50 Younger Dryas 50 invading Manchu tribesmen 50 Archaic Period 50 Heterodontosaurus 50 Gondwanaland 50 known bird Archaeopteryx 50 habilis 50 Gigantopithecus 50 geological epoch 50 Burgess Shale 50 ancient Mayan civilization 50 astronomical alignments 50 Geminid shower 50 Babylonian cultures 50 Paleocene Eocene 50 #.#C #.#F [003] 50 mammoths roamed 50 PancakeCroc 50 Noachian 50 Noachian period 50 seismic reawakening 50 intercepted Kimani 50 Anchiornis huxleyi 50 Paranthropus robustus 50 chimps diverged 50 frilled shark 50 Neanderthals Homo neanderthalensis 50 Repenomamus robustus 50 Paranthropus 49 www.thestar.com online 49 Ardipithecus 49 RX #H vehicles 49 species Ardipithecus ramidus 49 glaciers melted 49 Gawis 49 Liang Bua 49 H. erectus 49 Denisova Cave 49 H. sapiens 49 Early Bronze Age 49 Permian Triassic boundary 49 Phanerozoic 49 birdlike dinosaur 49 Ice Age 49 hominid ancestors 49 Dromomeron 49 Late Pleistocene 49 Little Ice Age 49 Willendorf 49 Assyrian Sumerian 49 existence Worldcolor 49 supervolcano eruption 49 bison lumbered 49 bilaterians 49 Homo Sapiens 49 Panderichthys 49 Late Triassic 49 Mesolithic 49 ostracods 49 species interbred 49 ichthyosaurs 49 By ANDREA PEYSER 49 placental mammals 49 ichthyosaur 49 ancient Babylonians 49 Sumatra Andaman earthquake 49 Spinosaurus 49 multi decadal 49 astronomer Percival Lowell 49 millennia 49 By NBC# NBC# 49 radiocarbon dated 49 distinct Acheulian design 49 boreal regions 49 golden toad 49 Castorocauda 49 glaciation 49 Hominids 49 eastern cougar subspecies 49 prehuman 49 glaciers thinned 49 mitochondrial genome sequence 49 homo erectus 49 archeopteryx 49 Gigantoraptor evolved 49 Palaeozoic sedimentary 49 #BC [003] 49 Paisley Caves 49 Australopithecus africanus 49 dromaeosaurid 49 Late Miocene 49 Europasaurus 49 @ globepmartin 48 woolly rhinoceros 48 Palaeolithic 48 Straube cites 48 Beringia 48 Laramidia 48 long necked sauropod 48 hominid skeleton 48 Homo antecessor 48 radiocarbon tests 48 Dryman disappeared 48 obliterated Greensburg Kan. 48 Camarasaurus 48 bony fishes 48 pika habitat 48 Middle Awash 48 Permian Triassic 48 Neanderthals roamed 48 Chinchorro 48 eukaryote 48 Neoproterozoic 48 Polynesian settlers 48 systematic paleontological expedition 48 primitive organisms 48 Quadrantids 48 sea scorpions 48 Palaeocene Eocene thermal 48 barley pearl millet 48 Repenomamus 48 abyssal plain 48 Neolithic Period 48 Shang dynasty 48 Mayan calendar predicted 48 trilobites 48 workmen huts 48 Mount Vesuvius erupted 48 Sumatran rhino bred 48 Confuciusornis 48 geological timescale 48 megalodon 48 coldest driest 48 symbol EXM 48 Parthian era 48 Minoan civilization 48 big topsy turndown 48 Hellenistic Age 48 Gobero 48 Icadyptes 48 Sassanid era 48 Linheraptor 48 Radiocarbon dating 48 deglaciation 48 KT extinction 48 @ chadsapieha 48 Akhenaten queens Kiya 48 longest annular eclipse 48 Appy Sluijs 48 wet slobber 48 Ordovician 48 Cretaceous Tertiary boundary 48 anthropoid primates 48 Ancestral Puebloans 48 Snowball Earth 48 Lophelia 48 ornithischians 47 Quaternary Period 47 anomalously warm 47 hominid 47 Cumulative placements 47 Turiasaurus 47 ancient hominid 47 flatfishes 47 Mayan calendar ends 47 Homo neanderthalensis 47 prehistoric 47 smallest exoplanet 47 warmings 47 Toba eruption 47 Arturo Toscano 47 Homo heidelbergensis 47 Current Warm Period 47 Dilmun civilization 47 Osedax 47 Gran Dolina 47 lineages diverged 47 maternal lineages 47 hyena dung 47 abyssal plains 47 pharaonic empire 47 Greek Byzantine Empire 47 paleoclimatic 47 Eggs hatch 47 mammal extinctions 47 maritime historian Baillod 47 fossilized footprints 47 Roman Warm Period 47 hominids 47 pacificnewscenter 47 mammoths mastodons saber tooth 47 optically stimulated luminescence OSL 47 nineteen ninety 47 Bryce Renninger Updated 47 newspapers Publick Occurrences 47 Australopithecus genus 47 millenniums 47 Holocene 47 Enuma Elish 47 Iguanodon 47 sub glacial lakes 47 exo planet 47 steppe mammoth 47 mitochondrial genomes 47 ancient Babylonian 47 apelike ancestors 47 Sarahsaurus 47 Mount Tambora 47 By trevor 47 rehabbing Lynnewood Hall 47 indieWIRE Updated 47 Shiveluch 47 paleoenvironmental 47 Puijila 47 Sahelanthropus 47 glacial cycles 47 continuously inhabited 47 placoderm 47 glacial interglacial 47 skin ligaments tendons 47 anatomically modern 47 brachiopods 47 ray finned 47 candlelit Easter Vigil 47 Quaternary Science Reviews 47 Carboniferous 47 Cretaceous 47 Februaries 47 Sui Dynasty #-# 47 torrential monsoon downpours 47 pliosaur ferocious predator 47 Alpine glaciers 47 Haast eagle 47 Scott Morlock hydrologist 47 Viking orbiters 47 Eocene 47 Late Bronze Age 47 Middle Miocene 47 lungless 47 evolutionary lineage 47 crurotarsans 47 Projected completion 47 cnidarians 47 Paleocene 47 Interstate #W crumpled 47 vertebrate evolution 47 paleomagnetic 47 hominins 47 abdominal abscess beginning 47 lain undisturbed 47 Japan Kama Chinen 47 datable 47 King Tutankhamun mummy 47 Peter Knegt Updated 47 equatorial latitudes 47 nomadic hunter gatherers 47 T. hallae 47 Ice Age mammals 47 cataclysmic eruption 46 ancient Mayans 46 Homo sapiens 46 stromatolite 46 assassin spiders 46 mastodon tusk 46 supercontinent Pangaea 46 DeBakey underwent surgery 46 Mesopotamian civilization 46 Medieval Warm Period 46 Homo erectus 46 dromaeosaurs 46 Germanic pope 46 lunar perigee 46 duckbilled dinosaurs 46 preindustrial 46 Kootenai sturgeon 46 km3 46 Egyptian tombs 46 Middle Paleolithic 46 hieroglyphic script 46 Paleolithic Era 46 Turkana Boy 46 forecaster Helen Chivers 46 A. ramidus 46 Corn silked 46 Oviraptor 46 sauropod skulls 46 pygmy mammoth 46 called Abydosaurus mcintoshi 46 Dry Valleys 46 Jay Lawrimore chief 46 Roman emperor Tiberius 46 bristlecone pine trees 46 mighty T. rex 46 earliest Homo sapiens 46 hominin species 46 anthropoids 46 ancient supercontinent 46 Mojoceratops 46 Radiocarbon testing 46 Genyornis 46 radiometric dating 46 braincase 46 Moche culture 46 bristlecone pines 46 ancestral Puebloan 46 Crichton ankylosaur 46 Ichthyostega 46 hominoid 46 vertebrate species 46 Absentee Bid Closing 46 warship Vasa 46 please visit www.ADPemploymentreport.com 46 Steve Sbraccia NBC# 46 Earhart disappearance 46 sedimentary layers 46 terrestrial vertebrate 46 ivory flutes 46 species Australopithecus sediba 46 Ontario Lacus 46 Redoubt blew 46 mass extinctions 46 MickD 46 Jaekelopterus 46 thrilling stargazers 46 underground aqueducts 46 solar minima 46 Maya civilization 46 Triceratops skull 46 crustal movements 46 genus homo 46 Denali backpackers 46 Neandertals 46 includes lithographs portraits 46 hadrosaur 46 migrated northward 46 Harappan civilization 46 bryozoans 46 ³ Î ¿ Î 46 Chris Cowperthwaite NBC# 46 mosasaurs 46 Orrorin tugenensis 46 Dakosaurus andiniensis 46 Vesuvius erupted 46 fossilized feathers 46 elephants roamed 46 monotreme 46 Kerry Gladish biologist 46 Ancient tomb 46 Byzantine eras 46 Heinrich von Plauen 46 Outlays totaled 46 Massospondylus 46 fossils dating 46 solar nebula 46 QMy boyfriend 46 Tunguska Siberia 46 Harvested acres 46 Stelvio trails 46 timesthree 46 multi celled 46 Psittacosaurus 46 genus Homo 46 @ geoffreyyork 46 Hellenistic era 46 Archaean 46 marine reptiles 46 Its ROA 46 Ixtoc disaster 46 Olduvai Gorge 46 Bornean clouded leopard 46 Incan Empire 46 earlier Dorlean Nadege 46 Saqqaq 45 Great Oxidation Event 45 multicellular organisms 45 Radiocarbon tests 45 Columbian mammoths 45 speleothems 45 fossilized skull 45 Atlantic Multidecadal Oscillation 45 axial tilt 45 Chauvet Cave 45 magnolialover 45 boe da 45 Jengo Fett literally 45 smoothed sunspot number 45 Dr. Raul Rabadan 45 prehistoric mammals 45 Homo erectus evolved 45 ancient Sumerian civilization 45 multicellular animals 45 chicks fledge 45 genus Australopithecus 45 sedimentary deposits 45 solstices 45 electrocorticography 45 cinder cones 45 Theropods 45 Tiktaalik roseae 45 Otzi 45 worrierking 45 multicellular 45 lunar crust 45 Saturnian 45 Whitebark pines 45 Laetoli 45 resembles calzone 45 Australopithecus sediba 45 Uberabasuchus lived 45 By GEOFF HOBSON 45 spokesman Andres Glusman 45 terrestrial vertebrates 45 supercontinent Gondwana 45 Lower Palaeolithic 45 GJ#b 45 yearlong opus 45 Klallam village 45 Symptom onset 45 dinosaur precursors 45 Fertile Crescent 45 Merckx Hinault Miguel Indurain 45 Asilisaurus 45 seafloor sediments 45 paleoclimate 45 humans interbred 45 Archeologists unearth 45 Greek historian Herodotus 45 Lake Vostok 45 Tarbosaurus 45 Atlantic Multidecadal Oscillation AMO 45 marine reptile 45 goesto# 45 #.#C #.#C 45 Neanderthals interbred 45 Ice Age beasts 45 Israelites wandered 45 Thracian civilization 45 C# atmospheric concentrations 45 Mount Pinatubo exploded 45 Angela Mendola Panella ext 45 fossilized skulls 45 prosimians 45 Bristlecone pines 45 Nigersaurus 45 Jurassic era 45 deepest darkest abyss 45 sunspot cycle 45 ancient Egyptian pharaoh 45 Dinosaur Mummy 45 txthinker 45 austral summer 45 primate fossil 45 Last Airbender Paramount 45 sultanate fortified 45 AJNR Am J Neuroradiol 45 Hugh Jackman clawed 45 ancient Mesopotamia 45 fascinated mathematicians 45 C4 grasses 45 choanoflagellates 45 Ford Excursion diesel 45 Ötzi 45 Paleolithic 45 Ardi hominid 45 #BC [002] 45 prehistoric lizard 45 Anthropocene 45 SuperCroc 45 Triassic 45 mammalian lineage 45 sediments deposited 45 NBR Transcripts 45 Punxsutawney Phil predicts 45 degrees Celsius above preindustrial 45 fastest papal conclaves 45 Laptev Sea 45 Blackbeard flagship Queen 45 Gohar Tepe 45 supercontinents 45 collared peccary 45 Emperor Caracalla 45 Ordovician limestone 45 @ marshalederman 45 sauropodomorphs 45 Incan civilization 45 ENSO neutral conditions 45 tetrapod 45 extinct mammals 45 Maunder Minimum 45 giant Galapagos tortoise 45 epkklk# 45 Gliese #G 45 extinct volcanoes 45 geochronology 45 Felix Asplund 45 pregnant Utigard 45 ocean basins 45 Dmanisi 45 ecoregions 45 Achaemenid era 45 NiceguyEddie 45 Lexus LX #s 45 giant squid Architeuthis 45 megafauna 45 seals walrus 45 loves Alastair Sim 45 Samoas lie 45 mammoths mastodons 45 climatologically 45 Maiacetus 45 icebound earth 45 eons 45 shaggles 45 Sahelanthropus tchadensis 45 barren Sahara Desert 45 semidesert 45 crocodiles turtles 45 glacier calving 45 dinosaur genera 45 supercontinent Pangea 45 Basilosaurus 45 Shem al 45 formally enthroned 44 sauropod dinosaurs 44 Tillamook Burn 44 slowest moviegoing weekend 44 Cretaceous Tertiary KT 44 fledgling Arpanet network 44 Halifax Weather Overcast 44 Roddick Petitbois 44 HDTV Listings 44 Konar Sandal 44 Prague Alexey Fedotov 44 bleachings 44 ancient Sumerians 44 Brood XIX 44 Neanderthal skeleton 44 Egyptian pharaohs 44 Aceto NASDAQ ACET 44 Gakkel Ridge 44 Akkadians 44 perihelion 44 www.bio key.com 44 fossil skeleton 44 Liesel Augis 44 Mayan civilization 44 resembles petrified parakeet 44 planktonic foraminifera 44 Mormons disavowed polygamy 44 foraminifera 44 Anton Koberger 44 Repliform R revenues 44 Membership fluctuates 44 fearsome Tyrannosaurus rex 44 selembu calves 44 Eta Aquarid meteor shower 44 geeky hangout 44 Sumerian civilizations 44 Woolly mammoth 44 Velafrons 44 phyllosilicates 44 fossilized shells 44 Geminid Meteor Shower 44 ancient Polynesians 44 dustier stormier atmosphere 44 ocean ridges 44 ancient Babylonia 44 epochs 44 Radiocarbon 44 Lauterbach charred corpse 44 DAWUSS 44 Yugoslavia imploded 44 Altai Mountains 44 Archaeologists unearth 44 subalpine meadows 44 jediknight# 44 #AD [002] 44 orbital eccentricity 44 Mount Bosavi 44 www.dashboardconfessional.com 44 radiocarbon analysis 44 tetrapods 44 GtC 44 Denisovan 44 sea scorpion 44 leatherback nest 44 Dikika 44 #.#oC [001] 44 Abydosaurus 44 aphelion 44 Aurignacian 44 Xia Dynasty 44 Jakobshavn Isbrae 44 p td 44 marine sediments 44 felsic dike 44 mastodons roamed 44 metazoans 44 J Clin Microbiol 44 Greenland glacier 44 Denisova cave 44 Archaeologists unearthed 44 Anthony Barnosky 44 carnivorous dinosaur 44 archaic ungulates 44 Phoenicians Greeks 44 decades Tungurahua rumbled 44 Maastrichtian 44 Mehdi Shehu 44 cratons 44 Sumerians 44 whi.org.uk. 44 seabed sediments 44 KHALID AZIZ submitted 44 angiosperm 44 Mount Mazama 44 Dungeness crabbers earned 44 hind fins 44 Syrtis Major 44 Soffront spans 44 Trilobites 44 Bastardi predicts 44 nine sefirot 44 coolings 44 Flu pandemics 44 mammalian ancestor 44 Vernon Kousky NOAA 44 political left religious right 44 Andy Kreiss 44 bintx 44 AC #Us flew 44 fossilized skeletons 44 prokaryotes 44 nineteen seventy 44 lake sediments 44 Total lunar eclipses 44 hatching silkworms grow 44 Venus transits 44 Noctilucent clouds 44 vertebrate fossils 44 historian Herodotus 44 Metres NTKM went 44 GSMA unites 44 l ¾ l 44 limbo Len Gengel 44 Jørn Hurum 44 meter Mount Karangetang 44 evolutionary divergence 44 chordate 44 nerzog 44 Mycenaean 44 sediba 44 Mesozoic 44 Indohyus 44 Gansus 44 Orcus Patera 44 plesiosaurs 44 SEI administers 44 Chalcolithic 44 Precambrian 44 forams 44 equinoxes 44 mammal lineages 44 Umbrian hills 44 subpolar 44 hurricane landfalls 44 coldest wettest 44 target comet Boethin 44 hominin 44 historygeek# 44 Archaeopteryx 44 Shang Dynasty 44 H. heidelbergensis 44 Donald Johanson 44 Isle Royale wolf 44 Paleogene 44 Celsius #.#F 44 tapes Volpendesto seems 44 Dutch astronomer Christiaan 44 peopling 44 Mobile Phones Market Segmentation 44 PRINCE WILLIAM GETS ENGAGED 44 orbited Jupiter 44 Margrit Biever native 44 King Suryavarman II 44 Norris Geyser Basin 44 #.# kph 44 Perfect Getaway Universal 44 RSV infects 44 Harvested acreage 44 Greenland Antarctica 44 dwarf hippos 44 hourslong speeches 44 Palaeocene Eocene Thermal Maximum 44 By STEVE DUNLEAVY 44 curved tusks 44 inhaled fibers 44 almanac foresees near 44 Columbian mammoth 44 Chicxulub crater 44 rocky extrasolar planet 44 Kim Genardo NBC# 44 prehistorical 44 ago enjoys semiautonomy 44 hippopotamus bones 44 Antikythera mechanism 44 Pharaoh Amenhotep III 44 attained enlightenment 44 millenia 44 owner JoAnn Secondino 44 coprolites 44 Natufian 44 Oetzi 44 invertebrate animals 44 common ancestor 43 Cretaceous Tertiary 43 FRM averaged #.# 43 GenePartner Test 43 Homo Erectus 43 A. sediba 43 double hull Handymax 43 Lyrid meteor shower 43 * Ranged 43 tropical coral reefs 43 giggly stoners 43 Babylonian Captivity 43 Jupiter icy moons 43 name Mesonychoteuthis hamiltoni 43 Microraptor gui 43 Tbone Slickens 43 #P/Churyumov-Gerasimenko 43 torosaurus 43 Hanni autistic 43 Bumpings rose 43 Admonish verb dating 43 tyrannosaurids 43 Archaeologist Emiliano Gallaga 43 fossilized coral 43 Highways repaved 43 Ordovician extinction 43 UMTS HSPA subscriptions 43 Kadanuumuu 43 pottery sherds 43 harlequin frogs 43 friar haircut 43 Tawa hallae 43 thaneb 43 Jules Vernes 43 placentals 43 Cetomimidae 43 Feld Entertainment productions 43 temperate latitudes 43 atmospheric circulations 43 sunspot numbers 43 dinosaur eggshells 43 flint artifacts 43 Loren Hake 43 Tharsis Rise 43 Paleoindian 43 DOI #.#/j.cub.#.#.# 43 Tunguska meteorite 43 legged meat eaters 43 Mayan canals 43 dinosaur species 43 coccolithophores 43 grmce 43 molars connects Indohyus 43 introduced jetboats 43 Bronze Age civilization 43 Palaeozoic 43 chordates 43 Eoraptor 43 hominoids 43 netribution 43 homo habilis 43 erectus 43 stromatolites 43 prehistory 43 Cesar Aparicio 43 DuckCroc 43 RAV4 compact SUVs 43 Sauropod 43 Neanderthal fossils 43 Babylonians 43 lunar meteorites 43 FHLB borrowings decreased 43 Quadrantid meteor shower 43 Earth axial tilt 43 Tiktaalik 43 Sumerian Babylonian 43 migrating northward 43 wooly mammoth 43 Scantron segment increased 43 WEATHER Cloudy 43 RSS Feeds Stay 43 Sauropods 43 titanosaur 43 Third Reich Jud Suss 43 Dith escaped 43 Wintu Indians 43 Gondwana supercontinent 43 super typhoons blizzards 43 Ancient Mayans 43 Sturtian glaciation 43 Jaguars lateraled 43 Safavid dynasty 43 handwritten Emancipation Proclamation 43 ancestral Puebloans 43 Lower Paleolithic 43 Help Reason 43 named Rikky Moncrieff 43 hieroglyphic writing 43 Aztec civilization 43 photosynthetic organisms 43 Ziegler Reservoir 43 By GadgetNews 43 hunter gatherers 43 po'ouli 43 Noninterest expense totaled 43 dinosaur Tawa hallae 43 permafrost melts 43 MidnightWriter 43 winged dinosaur 43 mk# 43 Shackleton expedition 43 carbon isotope ratios 43 super perigee moon 43 gracile 43 Singer Merril Bainbridge 43 Medieval Warm Period MWP 43 named Raptorex kriegsteini 43 chow Paw Paw 43 Ventastega 43 eight Supramax dry 43 Love trapJennifer Hawkins 43 terrestrial mammals 43 Oligocene 43 extinct mammoths 43 horned dinosaur 43 ape ancestors 43 granite gneiss 43 Fossilised 43 long necked sauropods