Related by context. Frequent words. (Click for all words.) 57 Ardipithecus ramidus 56 theropod 55 hominid species 55 carnivorous dinosaur 54 Indohyus 54 ichthyosaur 53 hominid 52 theropods 52 Homo habilis 52 Ardipithecus 52 Australopithecus afarensis 52 horned dinosaurs 52 hadrosaurs 51 Nigersaurus 51 Australopithecus 51 tetrapod 51 flatworms 51 afarensis 51 peccary 51 Nile crocodile 51 Diplodocus 50 baleen whale 50 Tiktaalik 50 H. erectus 50 plesiosaurs 50 braincase 50 Raptorex 50 mottled brown 50 Olduvai Gorge 50 placental mammals 50 subfamily 49 Late Cretaceous 49 predatory dinosaurs 49 anthropoids 49 morphologically 49 sauropod 49 apelike 49 Archaeopteryx 49 phyla 49 Homo floresiensis 49 crocodilian 49 pterosaur 49 Early Cretaceous 48 horned dinosaur 48 genus 48 preserved fossils 48 skink 48 primate species 48 carnivorous dinosaurs 48 hadrosaur 48 Neandertal 48 hominin 48 dinosaur species 48 vertebrate 48 flatworm 48 H. sapiens 48 fossilized remains 47 Fossilized 47 pygmy 47 tetrapods 47 LB1 47 erectus 47 snail shells 47 Homo sapiens 47 baleen whales 47 western lowland gorillas 47 genus Homo 47 Homo erectus 46 taxon 46 anthropoid 46 relict 46 killifish 46 baobab trees 46 hominids 46 sexual dimorphism 46 unicellular 46 herbivorous 46 A. afarensis 46 Albertosaurus 46 fossils 46 giant tortoise 46 morphological 46 sauropods 46 vertebrate species 46 lizards 46 fossil specimens 46 toothed whales 46 hominins 45 mandibles 45 anglerfish 45 mongooses 45 montane 45 trilobite 45 forelimbs 45 vertebrate animals 45 Cenozoic 45 sea scorpion 45 clades 45 lizard 45 ape 45 elephants rhinos