THESAURUS
dinosaur
alligator, ammonite, ankylosaur, archaeohippus, archaeotherium, archelon, arthrodiran, aurochs, bothriolepis, brachiosaur, brontops, brontothere, coccostean, coelodont, compsognathus, coryphodon, cotylosaur, creodont, crocodile, crocodilian, crossopterygian, cynodictis, diatryma, dimetrodon, dinichthyid, dinothere, diplodocus, duck-billed
dinosaur, edaphosaurid, elasmosaur, elephant, eryopsid, eurypterid, gator, giant sloth, glyptodont, hadrosaur, hippo, hippopotamus, jumbo, leviathan, lizard, mammoth, mastodon, monster, palaeodictyopteron, palaeoniscid, palaeophis, palaeosaur, palaeospondylus, pelycosaur, phytosaur, plesiosaur, protoceratops, protylopus, pteranodon, pteraspid, pterichthys, pterodactyl, pterosaur, reptile, reptilian, saurian, sauropod, scelidosaur, smilodon, terrapin, titanosaur, tortoise, trachodon, triceratops, trilobite, turtle, tyrannosaur, uintathere, urus, whale, woolly mammoth