Related by context. Frequent words. (Click for all words.) 51 Archaeopteryx 48 fossils 45 fossilized remains 45 dinosaur fossil 45 fossil 45 petrified wood 45 fossilized bones 44 paleontological 44 dinosaur fossils 43 T. rex 43 tyrannosaur 43 dinosaur bones 43 paleontologists 43 plesiosaur 43 tetrapods 43 palaeontology 42 prehistoric creatures 42 dinosaur 42 melanosomes 42 fossil hunter 42 dinosaur skeletons 41 palaeontologists 41 thylacine 40 mastodons 40 fossilized 40 journal Geology 40 specimens 40 tusk 40 Paabo 40 Neanderthal DNA 40 sauropods 40 dinosaurs 40 discoverers 40 theropods 39 anatomically modern 39 paleontology 39 evolutionary biologists 39 mammal 39 Vertebrate Paleontology 39 radiocarbon dating 39 Paleontologists 39 Neandertals 39 Homo floresiensis 39 Fossils 39 triceratops 39 coelacanth 38 prehistoric 38 sauropod 38 scientists 38 palaeontologist 38 woolly mammoths 38 Australopithecus afarensis 38 vertebrate 38 pterosaur 38 journal Science 38 breeding colony 38 Longrich 38 vertebrates 38 zoologists 38 paleontologist 37 Homo habilis 37 journal Biology Letters 37 Tyrannosaurus rex 37 mammals 37 mastodon 37 pterosaurs 37 journal Nature 37 prehistory 37 ivory billed woodpecker 37 Homo sapiens 37 Late Cretaceous 36 millipede 36 Natural History Museum 36 T rex 36 molecular biologists 36 diatom 36 biologists 36 single celled organisms 36 mammoths 36 chimpanzees 36 pikas 36 petroglyph 36 specimen 36 meteorite 36 Triceratops 35 arthropods 35 flightless birds 35 woolly mammoth 35 diatoms 35 researchers 35 moa 35 Mammoths 35 primate species 35 paleoanthropologist 34 Biologists 34 Natural History 34 museum curators 34 Meteorites 34 Paleontologist 34 Prehistoric 34 lemur