Related by context. Frequent words. (Click for all words.) 68 hominid 67 Australopithecus 67 Ardipithecus ramidus 66 Homo habilis 65 hominin 63 Homo erectus 62 hominins 62 Australopithecus afarensis 61 H. erectus 61 afarensis 60 hominids 60 anthropoids 59 Ardipithecus 59 tetrapod 59 theropod 58 placental mammals 57 Homo sapiens 57 genus Homo 57 anatomically modern 56 Cretaceous Period 56 Neandertals 56 tetrapods 56 Jurassic Period 55 Archaeopteryx 55 Tiktaalik 55 sauropod 55 primate evolution 54 ancestor 54 Late Cretaceous 54 Nigersaurus 54 theropods 54 Neandertal 54 bipedalism 54 Diplodocus 53 feathered dinosaurs 53 tyrannosaur 53 anthropoid 53 sauropods 52 monkeys apes 52 horned dinosaur 52 subfamily 52 Indohyus 52 forelimbs 51 Homo floresiensis 51 fossilized remains 51 LB1 51 Fossilized 51 multicellular 51 Beringia 51 giant tortoise 51 unicellular 51 Palaeolithic 51 Otzi 51 mitochondrial genome 50 Homo Sapiens 50 Dmanisi 50 Neanderthals 50 Radiocarbon dating 50 haplogroup 50 forelimb 49 Ardi 49 fossils 49 fossa 49 Denisovans 49 angiosperms 49 centromere 49 clades 49 Oetzi 49 Mesozoic 49 Paleocene 49 Columbian mammoth 49 Great Rift Valley 49 Neolithic 48 morphologically 48 eukaryotic 48 Fertile Crescent 48 sexual dimorphism 48 Neanderthal 48 Eadgyth 48 carnivorous dinosaurs 48 crocodilians 48 common ancestor 48 lineage 47 herbivore 47 mole rats 47 hadrosaur 47 fossil 47 vertebrate 47 limestone cave 47 coelacanth 47 microfossils 47 Amenhotep III 47 fossilized 47 clade 47 vertebrates 47 multicellular organisms 47 Oligocene 47 prokaryotes 47 pterosaur 46 Carboniferous 46 interglacial period