Related by context. Frequent words. (Click for all words.) 64 fossils 60 stromatolites 59 dinosaur fossils 58 palaeontologists 58 microfossils 58 fossilized remains 57 limestone caves 57 flint tools 56 feathered dinosaurs 55 temperate forests 54 fossil 54 theropod 54 Late Cretaceous 54 Archaeopteryx 54 coprolites 54 plesiosaur 54 marine reptiles 54 carnivorous dinosaurs 54 trilobites 53 fossilized bones 53 tyrannosaur 52 Burgess Shale 52 excavated 52 calcareous 52 dinosaur footprints 51 hadrosaur 51 fossilized 51 foraminifera 51 lavas 51 Carboniferous 51 megafauna 51 sauropod 51 basaltic 50 rock outcrops 50 Ardipithecus 50 hydrothermal vent 50 dinosaur fossil 50 sauropods 50 lake sediments 50 pterosaur 49 sedimentary rock 49 geological formations 49 specimens 49 Neandertal 49 middens 49 paleontological 49 amphorae 49 limestone cave 49 Tiktaalik 49 biodiversity hotspots 49 marine invertebrates 49 Fossils 49 Cretaceous 49 landforms 49 Mesozoic 49 basalt 49 billed dinosaur 49 dinosaur bones 48 tyrannosaurs 48 interbedded 48 biodiverse 48 Neandertals 48 Lower Cretaceous 48 palaeontologist 48 geological 48 theropods 48 mudstone 48 zircons 48 Tarim Basin 48 banded iron 48 basalts 48 diatoms 48 Geologically 48 geologic 48 Paleocene 47 tetrapod 47 archaeological finds 47 geologically active 47 calcite 47 dinosaur skeletons 47 marine sediments 47 paleontologists 47 sedimentary rocks 47 shallow depths 47 sedimentary basins 47 palaeontology 47 Egyptian mummies 46 tuffs 46 intrusives 46 sediment cores 46 royal tombs 46 alluvial deposits 46 diatom 46 H. erectus 46 prehistoric 46 baleen whales 46 royal mummies 46 Poinar 46 woolly mammoths 46 hominins 46 archaeological discoveries