Related by context. Frequent words. (Click for all words.) 55 Cretaceous Period 53 Late Cretaceous 53 dinosaurs 52 hadrosaur 51 interglacial period 51 coprolites 49 Homo habilis 49 fossilized bones 49 interglacial 48 dinosaurs roamed 48 pterosaur 48 trilobites 48 palaeontologists 48 T. rex 47 Archaeopteryx 47 Poinar 47 journal Geology 47 plesiosaur 46 tyrannosaurs 46 woolly mammoths 46 dinosaur 46 fossils 46 fossilized remains 46 radiocarbon 45 Cretaceous 45 mass extinctions 45 marine reptiles 45 theropod 45 Ardipithecus 45 megafauna 45 tyrannosaur 45 vertebrate species 45 fossil 44 Australopithecus afarensis 44 Denisovans 44 Homo sapiens 44 Australopithecus 44 palaeontology 44 Tyrannosaurus rex 44 paleontologists 44 Ice Age 44 sauropod 44 Little Ice Age 44 Neandertals 44 Carboniferous 44 genus Homo 44 mastodons 44 pterosaurs 44 evolutionary biologists 43 Longrich 43 mammal species 43 hominid 43 carnivorous dinosaurs 43 Pleistocene 43 Biology Letters 43 prehistoric 43 primatologists 43 palaeontologist 43 sauropods 43 triceratops 43 single celled organisms 42 hominins 42 Neanderthal genome 42 Pliocene 42 glaciation 42 paleontology 42 theropods 42 fossilized 42 radiocarbon dating 42 extinctions 42 mammoths 42 stegosaurus 42 microfossils 42 interbred 42 Triceratops 41 Younger Dryas 41 paleontologist 41 dinos 41 Neandertal 41 prehistoric creatures 41 Linnean Society 41 dinosaur footprints 41 Velociraptor 41 Neanderthals 41 dinosaur fossils 41 common ancestor 41 Paleontologists 41 woolly mammoth 41 mass extinction 41 dinosaur bones 40 mammals 40 baleen whales 40 mitochondrial genome 40 lake sediments 40 Vertebrate Paleontology 40 diatom 40 paleoanthropologist 40 zircons 40 marine invertebrates 40 Paleocene 40 journal Obesity