Related by context. Frequent words. (Click for all words.) 60 feathered dinosaurs 60 theropod 59 Archaeopteryx 59 pterosaur 57 tetrapod 57 Raptorex 57 mottled brown 56 Diplodocus 56 Gansus 56 mantis shrimp 55 featherless 55 cartilaginous 54 tyrannosaur 54 tailless 54 crocodilian 54 toothed whales 54 forelimb 54 protuberances 53 plumage 53 globular 53 carved ivory 53 baleen whale 53 braincase 53 anglerfish 53 hadrosaur 53 iridescence 53 dragonfly 52 placental mammals 52 Xenopus 52 morphologically 52 carnivorous dinosaur 52 vertebrate 52 cloisonné 52 pectoral fins 52 hominin 52 Gigantoraptor 52 Indohyus 52 convergent evolution 52 whorls 52 skeletonized 52 swallowtail 52 snail shells 52 pterosaurs 52 iridescent blue 51 taxon 51 mammal 51 birdlike 51 forelimbs 51 LB1 51 morphology 51 sauropod 51 fossilized 51 apelike 51 vertebrate animals 51 mammalian species 51 plesiosaurs 51 theropods 51 theropod dinosaurs 51 ovoid 51 sexual dimorphism 50 taxidermied 50 ammonites 50 Fossilized 50 bird beak 50 coloration 50 brownish gray 50 erectus 50 subfamily 50 flatworms 50 bony plates 50 distinctive markings 50 Ardipithecus 50 faience 50 Radiocarbon dating 50 papillae 50 rufous 49 carnelian 49 striations 49 pterodactyl 49 vertebrates 49 winged 49 striated 49 Palaeolithic 49 Otzi 49 Tiktaalik 49 harlequin 49 Longrich 49 morphologies 49 hominid 49 Great Horned Owl 49 feathers 49 Brusatte 49 dinosaur 49 breeding plumage 49 skink 49 tyrannosaurus 49 peacock feathers 49 mosasaur 49 trilobites 49 anemone 49 sea anemone