Related by context. Frequent words. (Click for all words.) 57 wooly mammoth 57 fossils 56 dinosaur bones 55 Otzi 55 dinosaur eggs 54 microfossils 54 skull fragments 54 coprolites 53 Columbian mammoth 52 dinosaur fossils 52 mammoths 52 flint tools 52 petrified wood 52 plesiosaur 51 feathered dinosaurs 51 paleontological 51 agates 51 dinosaur fossil 51 middens 50 dinosaur footprints 50 prehistoric 50 Lake Vostok 50 hadrosaur 50 Mummified 50 trilobites 50 woolly mammoths 50 sediment cores 49 theropod 49 Neandertal 49 pottery shards 49 amphorae 49 skull fragment 49 tyrannosaur 49 fossilized bones 49 stromatolites 48 opals 48 fossil 48 saber toothed cat 48 tusks 48 Radiocarbon dating 48 tusk 48 specimens 48 megafauna 48 woolly mammoth 48 fossilized 47 musk oxen 47 fossilized remains 47 carnivorous dinosaurs 47 mastodons 47 marine reptiles 47 radiocarbon dating 47 papyri 47 Late Cretaceous 46 Poinar 46 zircons 46 sauropod 46 marten 46 trackways 46 archeologists 46 tyrannosaurus rex 46 mastodon 46 tyrannosaurs 45 semiprecious stones 45 deer antlers 45 lunar soil 45 Burgess Shale 45 billed dinosaur 45 Egyptian mummies 45 carved ivory 45 flints 45 geodes 45 ground sloths 45 dinosaur skeleton 45 Skeletal remains 45 skulls 45 thylacine 45 Mammoths 45 marine invertebrates 45 whalebone 45 petroglyph 45 Prehistoric 45 jawbones 45 jades 45 palaeontologist 44 geological formations 44 red ocher 44 radiocarbon 44 palaeontologists 44 marine sediments 44 palaeontology 44 oxygen isotopes 44 Faberge eggs 44 whale skeleton 44 lichen 44 pacu 44 Indohyus 44 stickleback 44 archaeological finds 44 dinosaur skeletons 44 arrowheads 44 lake sediments