Related by context. Frequent words. (Click for all words.) 66 theropod 61 Diplodocus 61 forelimbs 60 Raptorex 60 Apatosaurus 59 Indohyus 59 theropods 59 braincase 58 crocodilians 58 bony plates 57 serrated teeth 57 plesiosaurs 57 placental mammals 57 tetrapod 56 H. erectus 56 Australopithecus 56 T.rex 56 horned dinosaurs 56 sauropods 56 tyrannosaurus 56 A. afarensis 56 carnivorous dinosaurs 56 morphologically 55 pterosaur 55 hadrosaur 55 forelimb 55 mouthparts 55 Ardipithecus 55 herbivore 55 Nigersaurus 54 T. rex 54 toothed whales 54 Ardipithecus ramidus 54 baleen whale 54 herbivorous 54 bipedalism 54 theropod dinosaurs 54 sauropod 54 Archaeopteryx 54 opposable thumb 54 tetrapods 54 apelike 53 H. sapiens 53 Xenopus 53 subfamily 53 crocodilian 53 hominin 53 fossa 53 feathered dinosaurs 53 carnivorous dinosaur 53 Tiktaalik 53 hominins 53 hominid species 53 hypoplasia 53 com vega oral 52 cartilaginous 52 Stegosaurus 52 afarensis 52 vertebrate animals 52 pectoral fins 52 Brachiosaurus 52 baleen whales 52 hominid 52 marine reptile 52 Columbian mammoth 52 flatworms 52 tyrannosaurus rex 52 hind limb 51 marine reptiles 51 Early Cretaceous 51 tyrannosaur 51 Homo habilis 51 LB1 51 Brusatte 51 maxillary 51 radiographically 51 Allosaurus 51 trilobite 51 setae 51 horned dinosaur 51 hind limbs 51 mosasaur 51 bipedal 51 sexual dimorphism 50 sea scorpion 50 asexual reproduction 50 Velociraptor 50 bony fish 50 prokaryotes 50 pliosaur 50 triceratops 50 Gansus 50 primate species 50 unicellular 50 muscle degeneration 50 scaly skin 50 velociraptors 50 morphologies 50 clade 50 pterosaurs 50 arthropod