Related by context. Frequent words. (Click for all words.) 60 platypuses 60 echidnas 58 Indohyus 57 H. floresiensis 57 placental mammals 56 theropod 56 plesiosaurs 56 goannas 55 hominid species 55 feathered dinosaurs 55 skink 55 thylacine 54 Tasmanian tiger 54 megafauna 54 snakes lizards 54 T.rex 54 marsupials 53 ichthyosaur 53 hominins 53 Homo floresiensis 53 bandicoots 53 Smilodon 53 H. erectus 53 carnivorous dinosaur 53 ammonites 53 marine reptiles 52 theropods 52 Pterosaurs 52 Diplodocus 52 titanosaur 52 H. sapiens 52 horned dinosaurs 52 echidna 52 cassowaries 52 tyrannosaur 52 hadrosaurs 52 theropod dinosaurs 52 Raptorex 52 Torosaurus 51 moa 51 australopithecines 51 dinosaur species 51 toothed whales 51 mosasaurs 51 peccary 51 predatory dinosaurs 51 A. afarensis 51 velociraptors 51 coprolites 51 baleen whale 50 dinosaurs 50 sexual dimorphism 50 kipunji 50 crocodilian 50 Homo habilis 50 tyrannosaurs 50 Early Cretaceous 50 sauropods 50 Colossal squid 50 vertebrate animals 50 saber toothed tigers 50 fossils 50 Extinctions 50 mammal species 50 Barn owls 50 Mellars 50 lizards snakes 50 cassowary 50 braincase 50 mammalian genomes 50 prehistoric 50 clouded leopards 49 Cane toads 49 herbivorous 49 tapirs 49 Gigantoraptor 49 Archaeopteryx 49 Ediacaran 49 anteaters 49 velociraptor 49 fossilized skull 49 giant squids 49 Fossilized 49 DFTD 49 genus Homo 49 sauropod 49 Stegosaurus 49 camelids 49 mongooses 49 anthropoids 49 endemic species 49 mammalian species 49 macroevolution 49 pine marten 49 Late Triassic 49 pterosaur 48 mammals 48 insects spiders 48 echinoderms 48 fruitflies 48 hominin