Related by context. Frequent words. (Click for all words.) 57 Paleontologist 57 paleoanthropologist 56 hominid species 56 palaeontologist 55 Ardipithecus ramidus 55 vertebrate paleontology 55 paleontologist 55 radiocarbon dated 55 Human Origins 54 Louis Leakey 53 Palaeontology 53 paleontology 53 hominid fossils 53 fossils 53 palaeontologists 53 Australopithecus afarensis 52 palaeontology 52 Ardipithecus 52 Columbian mammoth 52 paleontologists 52 fossilized remains 52 mosasaur 52 Richard Leakey 52 dinosaur fossil 51 Paleoanthropology 51 fossilized bones 51 Long Term Ecological 50 Australopithecus 50 fossil specimens 50 Planetary Physics 50 Guggenheim Fellow 50 Archeologist 49 fossil 49 hominid 49 Burgess Shale 49 afarensis 49 horned dinosaur 49 preserved fossils 49 journal Geology 49 Vertebrate Paleontology 49 carnivorous dinosaur 49 plesiosaur 49 dinosaur fossils 49 Anthropologist 49 hominin 49 feathered dinosaurs 48 Steward Observatory 48 Natural History Museum 48 CIRES 48 primatologist 48 Paleontology 48 Hiram Bingham 48 fossil hunter 48 anthropologist 48 T.rex 48 Genographic Project 48 Ned Rozell 48 Geoffrey Marcy 48 AMNH 48 Meteor Crater 47 Vertebrate 47 western lowland gorillas 47 Planetary Science Institute 47 Credit NASA JPL 47 curator emeritus 47 paleoclimate 47 Tyrannosaur 47 Zoologist 47 saber toothed cats 47 Gondwanaland 47 paleontological 47 Nigersaurus 47 Biogeography 47 planetary scientist 46 marine reptile 46 Dian Fossey 46 Jonathan Overpeck 46 theropod 46 limestone cave 46 primatologists 46 Comparative Zoology 46 Neandertal 46 horned dinosaurs 46 Genome Sequencing Center 46 Natural History 46 microfossils 46 Foja Mountains 46 Palaeontologists 46 anthropoids 46 Prehistoric 46 dinosaur footprints 46 tyrannosaur 46 Leakey 46 Keck Observatory 46 planetary geologist 46 USGS geologist 46 Gemini Observatory 46 Unnatural History 46 Schiele Museum 46 Early Cretaceous 45 Immunobiology