Related by context. Frequent words. (Click for all words.) 56 H. erectus 56 trilobites 55 tyrannosaur 55 hominins 55 hominid 55 fossils 54 feathered dinosaurs 53 Neandertals 53 carnivorous dinosaurs 53 foraminifera 53 hadrosaur 53 mammals 53 mammoths 53 microfossils 52 dinos 52 theropod 52 Stegosaurus 52 dinosaurs 52 genus Homo 52 tetrapods 52 tyrannosaurs 51 vertebrate species 51 coprolites 51 anthropoids 51 megafauna 51 Australopithecus 51 wooly mammoth 51 T. rex 51 middens 51 Poinar 51 Indohyus 51 woolly mammoths 51 mammal species 50 tyrannosaurus rex 50 fossil 50 Columbian mammoth 50 western lowland gorillas 50 prehistoric creatures 50 dinosaur 50 fossilized bones 50 hominids 50 pterosaur 50 Homo sapiens 50 prehistoric 50 marine reptiles 50 baleen whales 50 Neandertal 49 primate species 49 marine invertebrates 49 Radiocarbon dating 49 Cretaceous Period 49 sphinxes 49 flint tools 49 fossilized remains 49 dinosaur eggs 49 Pleistocene 49 thylacine 49 African savanna 49 dino 48 Denisovans 48 Paleocene 48 lava tubes 48 Late Cretaceous 48 sauropod 48 anatomically modern 48 triceratops 48 sauropods 48 palaeontologists 48 tetrapod 48 Homo habilis 48 Homo erectus 48 hominin 47 palaeontology 47 T rex 47 Carboniferous 47 Tasmanian tiger 47 giant tortoise 47 Archaeopteryx 47 Longrich 47 multicellular 47 mammal 47 dinosaur skeleton 47 termite mounds 47 Mesolithic 47 arthropods 47 musk oxen 47 arthropod 47 narwhals 47 Ardipithecus 46 skulls 46 theropods 46 whale skeleton 46 supercontinent 46 coelacanth 46 diatoms 46 moa 46 lizards 46 monkeys apes 46 burrows 46 vertebrates 46 Nigersaurus