Related by context. Frequent words. (Click for all words.) 68 Columbian mammoth 63 horned dinosaur 61 mastodons 60 mastodon 59 Diplodocus 58 saber toothed cat 58 plesiosaurs 58 feathered dinosaurs 58 carnivorous dinosaur 58 hadrosaur 57 ground sloths 57 fossil specimens 57 wooly mammoth 56 marine reptiles 56 Allosaurus 56 carnivorous dinosaurs 56 fossilized bones 56 triceratops 55 tyrannosaurus rex 55 theropod 55 Brachiosaurus 54 dinosaur skeletons 54 H. sapiens 54 sauropod 54 tyrannosaur 54 Apatosaurus 54 woolly mammoths 54 tyrannosaurus 53 fossilized remains 53 plesiosaur 53 baleen whale 53 sauropods 53 Fossilized 53 Jurassic Period 53 woolly mammoth 53 Raptorex 53 H. erectus 53 pygmy rabbits 53 mammoths 52 Leatherbacks 52 Bone fragments 52 crocodilian 52 mammal 52 Stegosaurus 52 fossils 52 stegosaurus 52 trackways 52 theropods 51 apelike 51 tyrannosaurs 51 marine reptile 51 Sandhill cranes 51 Tyrannosaurus rex 51 saber toothed cats 51 theropod dinosaurs 51 tusk 51 dinosaur fossil 51 radiocarbon dated 51 Gambian rats 51 paleontologists 51 mammals 51 lowland gorillas 51 Cretaceous Period 51 Skeletal remains 51 palaeontologists 51 terra cotta warriors 50 Triceratops 50 prehistoric 50 Great Horned Owl 50 flightless birds 50 genus Homo 50 titanosaur 50 Early Cretaceous 50 tapir 50 Gigantoraptor 50 Tyrannosaurus 50 giant tortoise 50 trilobites 50 dinosaur fossils 49 billed dinosaur 49 coprolites 49 lava tubes 49 dinosaur bones 49 mottled brown 49 pliosaur 49 Radiocarbon dating 49 elephants rhinos 49 fossilized 49 placental mammals 49 wolves roam 49 excavated 49 Ardipithecus 49 skeletal remains 49 Neandertal 49 T rex 49 Sumatran elephants 49 garter snakes 49 erectus 48 ammonites 48 beaked whale 48 Florida panthers