Related by context. Frequent words. (Click for all words.) 58 Fossilized 56 Great Rift Valley 55 hominid fossils 54 Early Cretaceous 53 microfossils 53 dinosaur footprints 52 Ngorongoro Crater 52 pottery fragments 52 Namib Desert 52 hominid species 51 dinosaur species 51 afarensis 51 fossils 50 Cenozoic 50 Rwenzori Mountains 50 feathered dinosaurs 50 lake sediments 50 dinosaur fossil 50 Ardipithecus ramidus 49 limestone cave 49 carnivorous dinosaur 49 Foja Mountains 49 Late Cretaceous 49 faunal 49 ammonites 49 preserved fossils 49 mosasaur 49 dinosaur fossils 49 Ötzi 49 grassy plains 49 fossilized remains 48 Radiocarbon dating 48 fossil specimens 48 loess 48 Australopithecus 48 theropod 48 radiocarbon dated 48 Ardipithecus 48 Vertebrate 48 limestone caves 48 hominin 48 Paleoanthropology 48 sauropod 48 Volcano erupts 47 Archaean 47 royal tombs 47 Otzi 47 Australopithecus afarensis 47 braincase 47 trackways 47 heavily cratered 47 ancient kingdoms 47 flint tools 47 Kalahari desert 47 Palaeolithic 47 Gigantoraptor 47 fossilized 47 Neandertal 47 volcanic peaks 47 petroglyph 47 Gona 47 lowland forest 46 Palaeontology 46 fossilized bones 46 Nile crocodile 46 hominid 46 termite mounds 46 Petroglyphs 46 Gondwanaland 46 Bone fragments 46 horned dinosaur 46 Ferry sinks 45 paleoanthropologist 45 Columbian mammoth 45 Massai 45 palaeontologists 45 Victoria Greenstone Belt 45 Lake Turkana 45 biodiversity hotspot 45 medullary bone 45 Indohyus 45 horned dinosaurs 45 hadrosaur 45 Burgess Shale 45 placer deposits 45 sedimentary basins 45 Lake Natron 45 H. erectus 45 Raptorex 45 anthropoid 45 ancestors migrated 45 coprolites 45 Skeleton Coast 45 Fossils 45 marine sediments 45 elephant tusk 45 Okavango Delta 45 snail shells 44 erectus 44 Paleocene 44 stone carvings