chiton, coat-of-mail shell, sea cradle, polyplacophore
['tiger beetle', 'gyromitra', 'sea snake', 'breastplate, aegis, egis', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'hammerhead, hammerhead shark', 'cauliflower']