Related by context. Frequent words. (Click for all words.) 60 ichthyosaur 59 plesiosaurs 57 Vertebrate Zoology 56 seals sea lions 56 Fossilized 56 marine reptiles 56 Columbian mammoth 55 wooly mammoth 54 Vertebrate 54 mammoths 54 baleen whale 54 mosasaur 53 pliosaur 53 Mammoths 53 plesiosaur 53 elk bison 53 mammoth tusk 53 horned dinosaurs 53 Palaeontology 52 marine reptile 52 mottled brown 52 fulmars 52 jumbo squid 52 marine invertebrates 51 damselfish 51 coprolites 51 ammonites 51 nesting seabirds 51 Jurassic Period 51 Diplodocus 51 temperate forests 51 trilobites 51 baleen whales 51 T.rex 50 Gigantoraptor 50 mammals 50 Late Cretaceous 50 ground sloths 50 Torosaurus 50 hominid species 50 fossilized bones 50 fossilized 50 Cretaceous Period 50 toothed whales 50 shearwater 50 horned dinosaur 50 mammal 50 Allosaurus 50 trilobite 50 whale skeleton 50 dinosaur species 50 montane 50 seabird populations 49 theropod 49 Sea otters 49 radiocarbon dated 49 Albertosaurus 49 fossil specimens 49 woolly mammoths 49 woolly mammoth 49 paleobiologist 49 mastodon 49 carnivorous dinosaurs 49 petrels 49 Biogeography 49 Indohyus 49 wooly mammoths 49 tyrannosaur 49 feathered dinosaurs 49 fossilized remains 49 peccary 49 Cape Royds 48 voracious predators 48 tetrapod 48 echinoderms 48 Megalodon 48 tigers leopards 48 megafauna 48 Raptorex 48 Giant Squid 48 skink 48 amphipods 48 bottlenose 48 Late Triassic 48 hadrosaurs 48 erectus 48 saber toothed cat 48 Amur leopard 48 giant tortoise 48 Giant squid 48 sea scorpion 48 hadrosaur 48 giant squids 48 saber toothed tigers 48 carnivorous dinosaur 47 Comparative Zoology 47 terrestrial ecosystems 47 fossils 47 Scientists theorize 47 Early Cretaceous 47 Neandertal