mud turtle
['coil, spiral, volute, whorl, helix', 'prairie chicken, prairie grouse, prairie fowl', 'black-footed ferret, ferret, Mustela nigripes', 'chambered nautilus, pearly nautilus, nautilus', 'echidna, spiny anteater, anteater', 'quail', 'American lobster, Northern lobster, Maine lobster, Homarus americanus']