Related by context. Frequent words. (Click for all words.) 67 Ardipithecus ramidus 64 Australopithecus 63 hominin 61 H. erectus 61 Fossilized 61 Ardipithecus 60 Australopithecus afarensis 60 hominid 59 theropod 59 Homo habilis 58 afarensis 58 anthropoids 57 Tiktaalik 56 hominins 56 fossilized remains 56 sauropod 56 erectus 55 Homo erectus 55 carnivorous dinosaur 55 placental mammals 55 Indohyus 55 fossils 54 tetrapod 54 horned dinosaur 54 anthropoid 54 Radiocarbon dating 54 Great Rift Valley 53 Archaeopteryx 53 microfossils 53 LB1 53 genus Homo 53 hominids 53 Neandertal 53 phylogenetic analysis 53 Late Cretaceous 52 coelacanth 52 fossilized bones 52 Palaeontologists 52 fossa 52 feathered dinosaurs 52 primate species 52 Fossils 52 radiocarbon dated 52 Homo floresiensis 51 Homo sapiens 51 theropods 51 fossil 51 taxon 51 fossilized 51 western lowland gorillas 51 Neandertals 51 coprolites 51 subfamily 51 mitochondrial genome 51 common ancestor 51 palaeontologists 51 Dmanisi 50 Archaean 50 tyrannosaur 50 hadrosaur 50 ammonites 50 sexual dimorphism 50 unicellular 50 dinosaur fossil 50 Mummified 50 tetrapods 50 fossil specimens 50 faunal 49 tusk 49 vertebrate 49 Anopheles gambiae 49 morphologically 49 plesiosaur 49 dinosaur fossils 49 paleoanthropologist 49 Diplodocus 49 ancestor 49 Jurassic Period 49 otoliths 49 clade 49 genetically distinct 49 endangered primates 49 genus 49 snail shells 49 skink 48 palaeontologist 48 pterosaur 48 Columbian mammoth 48 Mitochondrial DNA 48 Palaeolithic 48 Nigersaurus 48 Otzi 48 giant tortoise 48 Palaeontology 48 clades 48 Neanderthal DNA 48 vertebrates 48 Paleontologists 48 lineages 48 Paleoanthropology 47 carnivorous dinosaurs