Related by context. Frequent words. (Click for all words.) 76 theropods 75 sauropod 71 Archaeopteryx 71 sauropods 70 pterosaur 70 tyrannosaur 67 Tiktaalik 67 forelimbs 67 hominid 67 Ardipithecus 65 Australopithecus 65 tetrapods 64 T. rex 64 Velociraptor 64 plesiosaur 62 tyrannosaurs 62 Homo erectus 62 Homo habilis 62 vertebrate 61 Tyrannosaurus rex 61 hominids 61 mammal 61 pterosaurs 61 Australopithecus afarensis 60 dinosaur 60 fossilized bones 60 fossils 60 herbivore 59 T rex 59 Longrich 59 palaeontologists 59 arthropod 58 herbivorous 58 Triceratops 58 vertebrates 58 Homo floresiensis 58 Late Cretaceous 58 Neandertals 58 mammals 58 Denisovans 58 fossilized remains 57 baleen whales 57 triceratops 57 fossil 57 arthropods 57 moa 57 primate species 56 dinosaurs 56 Tyrannosaurus 56 clade 56 velociraptor 56 canine teeth 55 Cretaceous Period 55 Homo sapiens 55 genus 55 bipedal 55 palaeontologist 55 megafauna 55 phylum 55 tusk 54 mastodons 54 dinosaur fossil 54 mammoths 54 thylacine 54 phylogeny 54 flightless bird 54 hind limbs 54 Mesozoic 54 multicellular 54 taxa 53 extinct species 53 clades 53 mandible 53 fossilized 53 coelacanth 53 skinks 53 mandibles 53 paleontologists 53 Tyrannosaurus Rex 52 palaeontology 52 mammalian 52 herbivores 52 phylogenetic 52 mammalian species 52 vertebrate species 52 lineages 52 Neanderthal 52 vertebral column 52 single celled organisms 52 flightless 52 T. Rex 52 species 52 millipede 51 brontosaurus 51 dinosaur fossils 51 Vertebrate Paleontology 51 marten 51 mammal species 51 humerus 51 genetically distinct 51 microcephaly