hammerhead, hammerhead shark
['echidna, spiny anteater, anteater', 'diamondback, diamondback rattlesnake, Crotalus adamanteus', 'sidewinder, horned rattlesnake, Crotalus cerastes', 'seashore, coast, seacoast, sea-coast', 'conch', 'Gila monster, Heloderma suspectum', 'paddlewheel, paddle wheel']