Related by context. Frequent words. (Click for all words.) 63 anthropoids 61 hominins 60 placental mammals 59 hominin 59 theropods 59 H. erectus 58 mole rats 57 carnivorous dinosaurs 57 Ardipithecus 57 tetrapod 57 Australopithecus 57 Homo habilis 57 afarensis 57 theropod 56 Ardipithecus ramidus 56 ammonites 56 hominid 55 fossils 55 temperate forests 55 Neandertals 55 microfossils 55 feathered dinosaurs 55 vertebrate animals 55 Homo erectus 54 hominids 54 tyrannosaur 54 Late Cretaceous 54 Archaeopteryx 53 morphologically 53 primate species 53 Diplodocus 53 mammals 53 anthropoid 53 mammalian species 53 Palaeolithic 53 taxon 53 Homo sapiens 53 genus Homo 53 vertebrates 52 Longrich 52 Australopithecus afarensis 52 Columbian mammoth 52 sauropods 52 faunal 52 baleen whales 51 tyrannosaurs 51 Neandertal 51 marine reptiles 51 dinosaur fossil 51 subfamily 51 Indohyus 51 flightless birds 51 forelimbs 51 bipedalism 51 coelacanth 51 marine invertebrates 51 sauropod 51 primates 51 fossil 51 taxa 51 tetrapods 51 palaeontology 50 convergent evolution 50 fossilized remains 50 western lowland gorillas 50 trilobites 50 phyla 50 Tiktaalik 50 crocodilians 50 chimpanzees 50 Paleocene 50 Mesolithic 50 mitochondrial genome 50 morphologies 50 fossilized bones 50 palaeontologists 50 flint tools 49 Lapita 49 Nigersaurus 49 clades 49 melanosomes 49 angiosperms 49 multicellular organisms 49 vertebrate 49 herbivorous 49 toothed whales 49 unicellular 49 plesiosaur 48 Denisovans 48 mammal 48 specimens 48 Mesozoic 48 temperate regions 48 nonhuman primates 48 igneous rocks 48 stromatolites 48 Homo floresiensis 48 megafauna 48 dinosaur fossils 48 Mammals 47 hadrosaur