Related by context. Frequent words. (Click for all words.) 69 Australopithecus afarensis 67 Australopithecus 66 hominids 66 hominid 65 theropods 63 Ardipithecus 63 Archaeopteryx 62 forelimbs 60 Homo erectus 60 Tiktaalik 60 sauropods 59 Homo habilis 58 tetrapods 58 Homo sapiens 57 bipedal 57 tyrannosaur 57 sauropod 57 pterosaurs 56 pterosaur 55 T. rex 55 Neandertals 55 hind limbs 55 Homo floresiensis 55 Ardi 54 mandible 53 canine teeth 53 Longrich 53 tyrannosaurs 53 mandibles 53 vertebrates 53 palaeontologists 52 plesiosaur 52 humerus 51 fossils 51 Denisovans 51 fossil 51 dinosaurs 51 anatomically modern 50 T rex 50 vertebrate 50 Tyrannosaurus 50 velociraptor 50 ape 50 Neanderthals 50 herbivore 50 arthropods 50 common ancestor 50 Neanderthal 50 mammoths 50 moa 50 biped 49 herbivorous 49 fossilized bones 49 Tyrannosaurus rex 49 homo sapiens 49 jawbones 49 Triceratops 49 vertebral column 49 humanlike 49 Oetzi 49 Late Cretaceous 49 triceratops 49 fossilized remains 48 bones 48 bony 48 primate species 48 taxa 48 phylogeny 48 Hurum 47 baleen whales 47 paleoanthropologist 47 ancestor 47 Velociraptor 47 multicellular 47 tusk 46 musculature 46 dinos 46 anatomically 46 femurs 46 mammalian species 46 arthropod 46 evolutionarily 46 Neanderthal DNA 46 hind legs 46 herbivores 46 mammals 46 apes 45 megafauna 45 mastodons 45 skeletal 45 thighbone 45 humans 45 lemur 45 dinosaur skeletons 45 dinosaur 45 evolutionary biologists 45 clades 45 single celled organisms 45 clade 45 fossilized 45 mammal