Related by context. Frequent words. (Click for all words.) 68 pterosaur 67 feathered dinosaurs 66 Archaeopteryx 64 theropod 63 hadrosaur 62 horned dinosaur 61 theropods 60 Ardipithecus ramidus 60 fossilized remains 59 tetrapod 58 carnivorous dinosaurs 58 Homo floresiensis 58 tyrannosaur 57 placental mammals 57 Tiktaalik 57 Indohyus 56 plesiosaur 56 Palaeontologists 56 mitochondrial genome 56 H. erectus 56 sauropod 55 Poinar 55 vertebrate animals 55 Diplodocus 55 T. rex 55 vertebrate 55 tetrapods 54 fossil 54 melanogaster 54 Australopithecus afarensis 54 Neandertal 54 fossils 54 LB1 54 taxon 54 marine reptile 54 pterosaurs 54 Ardipithecus 53 fossilized bones 53 Caenorhabditis elegans 53 primate evolution 53 mammalian species 53 dinosaur 53 hominid 53 Longrich 53 microsatellites 53 convergent evolution 53 billed dinosaur 53 marine reptiles 53 hominins 53 paleontologists 53 palaeontologists 53 forelimbs 53 pliosaur 53 palaeontologist 53 Paleoanthropology 52 Velociraptor 52 Columbian mammoth 52 tyrannosaurus rex 52 dinosaurs 52 morphologically 52 subfamily 52 microfossils 52 toothed whales 52 anthropoids 52 dinosaur fossil 52 coelacanth 52 Nigersaurus 52 genus Homo 52 mantis shrimp 52 prokaryotes 52 mammal 51 simian immunodeficiency virus 51 Vertebrate Paleontology 51 Australopithecus 51 velociraptor 51 fruit fly Drosophila 51 Homo habilis 51 vertebrates 51 Radiocarbon dating 51 paleoanthropologist 51 vertebrate species 51 rhesus macaque 51 unicellular 51 multicellular organisms 51 clouded leopard 51 afarensis 51 Allosaurus 50 asexual reproduction 50 anthropoid 50 thylacine 50 Denisovans 50 T rex 50 Cambrian explosion 50 fossilized 50 evolutionary biologists 50 rhesus monkey 50 synthetic genome 50 evolutionary 50 Stegosaurus 50 Fossilized 50 sauropods