Related by context. Frequent words. (Click for all words.) 63 Australopithecus afarensis 61 Australopithecus 59 Homo habilis 59 H. erectus 58 hominid 58 Ardipithecus 58 Otzi 56 hominins 56 hominids 56 sauropod 55 fossilized remains 55 tyrannosaur 55 Cretaceous Period 55 Neandertals 55 theropod 54 Neandertal 54 Homo erectus 54 anthropoids 54 Homo sapiens 54 Oetzi 54 hadrosaur 54 Archaeopteryx 53 hominin 53 Nigersaurus 53 afarensis 53 sauropods 53 Columbian mammoth 52 genus Homo 52 dinosaur footprints 52 trackways 52 Late Cretaceous 52 tetrapods 52 feathered dinosaurs 52 trilobites 51 Radiocarbon dating 51 tetrapod 51 Indohyus 51 fossils 51 fossilized 50 Neanderthal DNA 50 theropods 50 Tiktaalik 50 coprolites 50 Neanderthals 50 Homo Sapiens 50 Amenhotep III 50 Denisovans 49 prehistoric 49 marine reptile 49 wooly mammoth 49 Burgess Shale 49 fossil 49 Homo floresiensis 49 Tyrannosaurus rex 49 microfossils 49 supercontinent 48 anatomically modern 48 stromatolites 48 fossilized bones 48 dinosaurs 48 woolly mammoths 48 pterosaur 48 sedimentary rock 48 giant tortoise 48 #BC [003] 48 dinosaur fossil 48 carnivorous dinosaurs 48 stupas 48 Step Pyramid 48 tyrannosaurus rex 48 Brachiosaurus 47 Egyptian pyramids 47 LB1 47 pterosaurs 47 Cheops 47 dinosaur 47 Neanderthal 47 ancient Mayans 47 bipedalism 47 mammoths 47 royal tombs 47 Egyptian pharaoh 47 plesiosaur 47 dinosaurs roamed 47 vertebrate species 47 marine reptiles 47 trackway 47 relict 47 Beringia 46 ancestor 46 lava tubes 46 monkeys apes 46 Harappan 46 dinosaur skeletons 46 marine sediments 46 flint tools 46 Mycenaean 46 interglacial period 46 T. rex 46 western lowland gorillas 46 Neanderthal genome