Related by context. Frequent words. (Click for all words.) 49 dinosaur fossils 48 petrified wood 48 Burgess Shale 48 fossils 47 fossilized bones 47 dinosaur fossil 47 dinosaur bones 46 limestone cave 46 dinosaur footprints 45 limestone caves 45 Brachiosaurus 45 fossil 44 dinosaur skeletons 44 lava tubes 44 paleontological 44 fossil hunter 43 limestone 43 Arctic permafrost 43 plesiosaur 43 limestone quarry 42 hadrosaur 42 middens 42 Elvis memorabilia 42 redwood forest 42 flint tools 42 pottery shards 41 cliff dwellings 41 stalactite 41 excavated 41 papyri 41 coprolites 41 geological formations 41 sauropod 41 archaeological finds 41 palaeontologist 41 sauropods 41 marine sediments 41 archeological 41 microfossils 41 sedimentary rock 41 archaeological artifacts 40 dinosaur skeleton 40 fossilized remains 40 Late Cretaceous 40 artifacts 40 calcareous 39 whale skeleton 39 trackway 39 kauri 39 archaeological 39 breakfast inns 39 tyrannosaurus rex 39 paleontology 39 geologic formations 39 paleontologists 39 T. Rex 39 trilobites 39 geologic 39 museum 39 burial vaults 39 fossilized 39 termite mounds 39 archaeologically 38 excavation 38 skull fragments 38 marine reptiles 38 Carboniferous 38 underground cavern 38 lake sediments 38 geological 38 Radiocarbon dating 38 marine invertebrates 38 Eocene 38 treasures 38 Bed 37 Tut tomb 37 lakebed 37 mummified 37 Tarim Basin 37 Staffordshire Hoard 37 carvings 37 pterosaur 37 Fossils 37 archaeological discoveries 37 tusk 37 antiques 37 unmined 37 specimens 37 paleontologist 37 Manuscript Library 37 ancient artefacts 37 artefacts 37 sediment cores 37 stalagmites 37 archaeological excavation 37 Paleocene 37 tyrannosaurs 37 Cullinan mine 37 zircons 36 stromatolites 36 theropod