Related by context. Frequent words. (Click for all words.) 60 Nigersaurus 60 Ardipithecus ramidus 57 Nile crocodile 56 theropod 56 Ardipithecus 56 afarensis 56 baleen whale 55 Raptorex 55 Namib Desert 55 Indohyus 55 Diplodocus 54 Australopithecus 54 carnivorous dinosaur 54 crocodilian 54 Tiktaalik 53 apelike 53 sauropod 53 hominid species 53 Australopithecus afarensis 53 Niger 53 plesiosaurs 52 sauropods 52 hominid 51 Homo habilis 51 predatory dinosaurs 51 Olduvai Gorge 51 flatworms 51 baobab trees 51 mosasaur 51 mottled brown 51 hadrosaurs 51 ichthyosaur 51 dinosaur species 51 Early Cretaceous 51 theropods 51 hadrosaur 51 horned dinosaurs 50 Archaeopteryx 50 coelacanth 50 giant tortoise 50 trilobite 50 Fossilized 50 fossa 50 wormlike 50 saber toothed cat 50 baobab tree 50 western lowland gorillas 50 carnivorous dinosaurs 50 killifish 49 elegans 49 snail shells 49 curly tail 49 Apatosaurus 49 pterosaur 49 A. afarensis 49 flatworm 49 snouted 49 crocodilians 49 Late Cretaceous 49 genus 49 hissing cockroaches 49 unicellular 49 ammonites 49 horned dinosaur 49 serrated teeth 49 echidnas 49 termite mounds 49 tetrapod 49 tetrapods 49 Anopheles 49 pit vipers 49 daddy longlegs 48 forelimbs 48 bony plates 48 mole rats 48 lemur 48 hippopotamus 48 erectus 48 baobab 48 Irrawaddy dolphin 48 preserved fossils 48 arthropod 48 Stegosaurus 48 braincase 48 fossilized remains 48 placental mammals 48 feathered dinosaurs 48 skink 48 herbivorous 48 pectoral fins 47 millipede 47 spiny 47 anthropoids 47 Laysan albatross 47 Giraffes 47 giraffe 47 Albertosaurus 47 lizard 47 californica 47 nigra 47 Harouna