Related by context. Frequent words. (Click for all words.) 61 Longrich 57 palaeontology 57 Paabo 55 feathered dinosaurs 54 megafauna 54 trilobites 53 Indohyus 52 Beringia 52 marine reptiles 52 Worobey 51 Hurum 51 fossils 51 palaeontologists 51 systematics 51 carnivorous dinosaurs 51 paleoanthropologist 51 mammoths 51 microfossils 51 Columbian mammoth 50 tyrannosaurs 50 dinosaurs 50 Pleistocene era 50 prokaryotes 50 arthropods 50 Barnosky 50 stromatolites 50 extinct 50 mycology 50 Evolutionary Biology 50 theropods 50 Melosh 50 evolutionary biologists 50 fossilization 50 theropod 50 angiosperms 50 woolly mammoths 50 Neandertals 50 genus Homo 49 single celled 49 biogeography 49 mastodons 49 hadrosaur 49 Palumbi 49 Cerling 49 plesiosaur 49 hominins 49 Late Cretaceous 49 fossilized 49 Neandertal 49 vertebrate paleontology 49 fossil 49 single celled organisms 49 sauropods 49 Chiappe 48 fossilized bones 48 multicellular organisms 48 speciation 48 Trinkaus 48 periodical cicadas 48 H. erectus 48 geneticists 48 Hakonarson 48 genetically distinct 48 Wrangham 48 clades 48 species 48 Cambrian explosion 48 fossilized remains 48 lichens 48 radiocarbon dating 48 diatoms 48 phylogeny 48 entomologists 47 arthropod 47 reproductive biology 47 melanosomes 47 wooly mammoth 47 HHMI investigator 47 genome sequences 47 Denisovans 47 Linnean Society 47 Natural History 47 Tasmanian tiger 47 phyla 47 tyrannosaur 47 thylacine 47 Cretaceous Period 47 ethnologist 47 extinct species 47 developmental biologist 47 palaeontologist 47 carnivorous plants 47 molecular biologists 47 fungi 47 Homo habilis 47 coprolites 47 mammals 47 Adovasio 47 anthropoids 47 Pleistocene 47 Homo floresiensis