Related by context. Frequent words. (Click for all words.) 76 Archaeopteryx 63 pterosaur 63 Tiktaalik 63 fossils 63 theropods 62 tyrannosaur 61 hominid 60 vertebrates 60 carnivorous dinosaurs 60 fossil 60 dinosaurs 59 hominins 59 Ardipithecus 59 Neandertals 59 tetrapods 59 plesiosaur 59 vertebrate 58 Australopithecus 58 palaeontologists 58 Cretaceous Period 57 multicellular organisms 57 Late Cretaceous 57 pterosaurs 57 paleontologists 57 trilobites 57 hominin 57 Homo habilis 57 sauropods 57 tyrannosaurs 56 T. rex 56 Homo erectus 56 genus Homo 56 fossilized 56 fossilized bones 56 Homo sapiens 56 coelacanth 56 Australopithecus afarensis 56 Homo floresiensis 55 mammalian species 55 mammal 55 mammals 55 sauropod 55 dinosaur 55 single celled organisms 55 humans 55 fossilized remains 55 anatomically modern 54 T rex 54 hominids 54 Denisovans 54 triceratops 54 dinos 54 homo sapiens 54 Triceratops 53 multicellular 53 Paabo 53 paleoanthropologist 53 arthropods 52 phylogeny 52 Neanderthal DNA 52 Mesozoic 52 evolutionary biologists 52 velociraptor 52 humanlike 52 radiocarbon dating 52 dinosaur fossil 52 palaeontology 51 common ancestor 51 prehistoric 51 asexual reproduction 51 Longrich 51 flightless 51 avian species 51 palaeontologist 51 Paleontologists 51 Oetzi 51 Velociraptor 51 Tyrannosaurus rex 51 zoologists 51 vertebrate species 51 Pleistocene 50 mammalian brain 50 melanosomes 50 interbred 50 arthropod 50 mammoths 50 Vertebrate Paleontology 50 brontosaurus 50 mammalian 50 dinosaur skeletons 50 pterodactyl 50 dinosaur fossils 50 evolutionarily 50 flightless birds 50 megafauna 50 nonhuman primates 50 extinct species 49 interglacial 49 prehistoric creatures 49 single celled 49 baleen whales