Related by context. Frequent words. (Click for all words.) 64 theropod 64 feathered dinosaurs 62 fossils 62 fossilized remains 60 palaeontologists 59 sauropod 59 tyrannosaur 59 fossilized bones 59 dinosaur fossil 58 hadrosaur 58 H. erectus 58 prehistoric 58 hominid 57 Archaeopteryx 57 dinosaur footprints 57 hominins 57 Burgess Shale 57 theropods 57 tetrapods 56 Australopithecus afarensis 55 dinosaur fossils 55 Fossils 55 genus Homo 55 tetrapod 55 pterosaur 55 fossil 55 Homo habilis 55 dinosaurs 55 Late Cretaceous 55 microfossils 54 plesiosaur 54 Neandertal 54 dinosaur 54 trilobites 54 Paleontologists 54 hominin 54 carnivorous dinosaurs 54 Homo floresiensis 53 palaeontology 53 coprolites 53 sauropods 53 marine reptiles 53 Tiktaalik 53 Radiocarbon dating 53 giant tortoises 53 Australopithecus 53 Oetzi 53 supercontinent 53 limestone cave 53 Neandertals 52 Beringia 52 Homo sapiens 52 coelacanth 52 middens 52 Brachiosaurus 51 Homo erectus 51 anatomically modern 51 woolly mammoths 51 fossilized 51 prehistory 51 mammal 51 Cretaceous Period 51 paleontologists 51 palaeontologist 51 breeding colony 51 hominids 51 dinosaur bones 51 billed dinosaur 51 megafauna 50 Ardipithecus 50 Linnean Society 50 flightless bird 50 dinosaur skeleton 50 triceratops 50 dinosaur eggs 50 petroglyph 50 dinosaur skeletons 50 Paleocene 50 mammoths 50 mammals 49 common ancestor 49 Denisovans 49 Galapagos islands 49 tusk 49 mammal species 49 pectoral fins 49 hieroglyphs 49 red ocher 49 Poinar 49 tyrannosaurs 49 T. rex 49 whale skeleton 49 wooly mammoth 49 vertebrate 49 zoologists 49 Stegosaurus 49 forelimbs 49 Tyrannosaurus rex 49 flint tools 49 Egyptian pyramids 49 volcanic crater