Related by context. Frequent words. (Click for all words.) 67 theropod 65 feathered dinosaurs 65 theropods 65 Diplodocus 64 plesiosaurs 64 placental mammals 63 carnivorous dinosaurs 63 Indohyus 62 Raptorex 61 Australopithecus 61 theropod dinosaurs 61 toothed whales 60 Archaeopteryx 60 Ardipithecus 59 H. erectus 59 tyrannosaur 59 Brachiosaurus 59 sauropods 58 carnivorous dinosaur 58 herbivorous 58 hominin 58 pterosaur 58 apelike 58 Ardipithecus ramidus 57 Nigersaurus 57 tetrapods 57 forelimbs 57 velociraptor 57 sauropod 57 Apatosaurus 57 crocodilians 57 Homo habilis 56 genus Homo 56 hominins 56 tyrannosaurs 56 vertebrate animals 56 pectoral fins 56 dinosaurs 56 ammonites 56 trilobites 56 unicellular 55 Tiktaalik 55 pterosaurs 55 mammals 55 tetrapod 55 saber toothed cat 55 Gigantoraptor 55 baleen whale 55 horned dinosaur 55 Stegosaurus 55 Jurassic Period 55 Homo sapiens 55 anthropoids 55 saber toothed tigers 55 Velociraptor 55 Cretaceous Period 55 Neandertals 55 Early Cretaceous 55 tyrannosaurus rex 55 triceratops 55 bipedal 55 platypuses 55 H. sapiens 54 erectus 54 T. rex 54 convergent evolution 54 marine reptiles 54 phyla 54 tyrannosaurus 54 hominids 54 echidnas 54 serrated teeth 54 ground sloths 54 hadrosaur 54 hominid 54 herbivore 54 mastodons 54 Triceratops 54 subfamily 53 Late Triassic 53 sea anemones 53 monkeys apes 53 Homo Sapiens 53 bipedalism 53 pterodactyls 53 marine iguanas 53 vertebrates 53 mottled brown 53 mammal 53 Allosaurus 53 velociraptors 53 marine invertebrates 53 tigers leopards 53 Homo erectus 52 penguin species 52 pileated woodpeckers 52 baleen whales 52 flightless 52 crocodilian 52 By Riva Froymovich 52 giant tortoises