Related by context. Frequent words. (Click for all words.) 61 molar 60 incisor 57 molars 56 tusk 56 mandible 56 skull 56 fossa 56 theropod 54 maxillary 54 skull fragment 54 Ardipithecus ramidus 54 hadrosaur 53 glans 53 stalactite 53 thighbone 53 mitochondrial genome 53 Radiocarbon dating 53 H. erectus 53 canine teeth 52 specimen 52 hominin 52 jaw bone 52 jawbone 52 mouthparts 52 hominins 52 skull fragments 52 cranium 52 Archaeopteryx 52 forelimb 51 humerus 51 granulomas 51 flint tools 51 cavity 51 microfossils 51 Otzi 51 pelvic bones 51 bones 51 incisors 50 tyrannosaur 50 Columbian mammoth 50 tetrapod 50 soft tissues 50 granuloma 50 Diplodocus 50 femur bone 50 Neandertal 50 fossilized 50 tooth 50 placental mammals 50 hominid 50 coprolites 49 LB1 49 jawbones 49 Indohyus 49 femur 49 wooly mammoth 49 Ardipithecus 49 plaster mold 49 skeletonized 49 fossils 48 specimens 48 mandibular 48 nodule 48 mummy 48 otoliths 48 Nigersaurus 48 Australopithecus 48 anthropoids 48 anthropoid 48 Neanderthal 48 inflorescence 48 abraded 48 sauropod 48 decayed teeth 48 pericardium 48 Homo habilis 48 whorl 48 Oetzi 48 Tiktaalik 48 radiograph 48 ammonites 48 umbilicus 48 Palaeolithic 47 mandibles 47 heartwood 47 lamina 47 nasal cavities 47 afarensis 47 scaly skin 47 scanning electron microscope 47 marine reptile 47 cavities 47 Australopithecus afarensis 47 melanosomes 47 bald patch 47 dinosaur fossil 47 subfamily 47 protrusion 47 dentin 47 hipbone 47 tyrannosaurus rex