Related by context. Frequent words. (Click for all words.) 72 Australopithecus afarensis 69 Australopithecus 67 hominid 65 theropod 64 Ardipithecus 63 hominins 63 hominin 62 genus Homo 61 hominids 61 Homo habilis 61 Homo erectus 60 sauropod 59 tyrannosaur 59 hadrosaur 59 theropods 58 Tiktaalik 57 Homo sapiens 57 primate species 57 fossils 57 Neandertal 57 bipedalism 57 fossilized remains 57 carnivorous dinosaurs 56 Archaeopteryx 56 Neandertals 56 fossilized bones 55 sauropods 55 tetrapods 55 Tyrannosaurus rex 55 Tyrannosaurus 55 T. rex 55 Homo floresiensis 54 fossil 54 mitochondrial genome 54 plesiosaur 54 tyrannosaurs 54 western lowland gorillas 53 taxa 53 Late Cretaceous 53 mammalian species 53 pterosaur 53 trilobites 53 ancestor 53 wooly mammoth 53 T rex 52 Stegosaurus 52 palaeontologists 52 dinosaur fossil 52 dinosaur skeleton 52 vertebrate species 52 subfamily 52 vertebrates 52 microfossils 52 coprolites 52 mammal 51 arthropods 51 supercontinent 51 Ardi 51 canine teeth 51 forelimbs 51 anatomically modern 51 arthropod 51 vertebrate 51 prehistoric 51 bipedal 51 tapir 51 Longrich 51 forelimb 50 common ancestor 50 marine reptiles 50 fossilized 50 Cretaceous Period 50 clades 50 anteater 50 triceratops 50 Denisovans 50 lemur 50 dinosaur skeletons 50 crocodilians 50 microcephaly 50 ape 50 Gona 50 Neanderthal 50 skink 50 mandible 49 millipede 49 Oetzi 49 mammoths 49 dinosaur 49 tusk 49 flint tools 49 dinosaurs 49 thylacine 49 primates 49 Homo Sapiens 49 biped 49 Triceratops 49 chimpanzees 49 multicellular organisms 49 woolly mammoth 49 brontosaurus