Related by context. Frequent words. (Click for all words.) 70 theropods 69 carnivorous dinosaurs 69 Archaeopteryx 67 tyrannosaur 66 hominins 65 pterosaur 64 sauropods 64 hadrosaur 64 sauropod 64 Tiktaalik 63 Ardipithecus 63 tyrannosaurs 63 Neandertals 63 Australopithecus 62 Homo habilis 62 tetrapods 62 Homo erectus 61 Cretaceous Period 61 mammals 61 hominin 61 hominid 60 T. rex 60 fossils 60 dinosaurs 60 pterosaurs 60 plesiosaur 60 mammalian species 60 Longrich 59 Late Cretaceous 59 forelimbs 59 palaeontologists 58 anatomically modern 58 megafauna 58 Denisovans 58 vertebrates 58 Homo sapiens 58 mammal 58 multicellular organisms 57 genus Homo 57 vertebrate 57 trilobites 57 Triceratops 56 hominids 56 mammoths 56 avian species 56 paleontologists 55 landmasses 55 dinosaur 55 Australopithecus afarensis 55 lineages 55 Homo floresiensis 55 Velociraptor 55 vertebrate species 55 fossil 55 herbivorous 55 primate species 55 dinosaur fossil 54 Pleistocene 54 Tyrannosaurus rex 54 arthropod 54 temperate regions 54 interbred 54 Neanderthals 54 woolly mammoths 54 taxa 54 multicellular 54 herbivore 54 fossilized bones 54 species 54 mammal species 54 hind limbs 54 dinosaur skeletons 54 clades 53 bipedal 53 mastodons 53 evolutionarily 53 dinos 53 baleen whales 52 Cretaceous 52 flightless birds 52 fossilized remains 52 Mesozoic 52 breeding colonies 52 T rex 52 homo sapiens 52 evolutionary biologists 52 Oetzi 52 genetically distinct 52 palaeontologist 52 Fertile Crescent 52 moa 52 glaciation 52 amphibian species 52 woolly mammoth 52 herbivores 52 marsupials 51 coelacanth 51 phylogeny 51 ant species 51 clade 51 Tyrannosaurus