platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus
['snail', 'drake', 'Irish water spaniel', 'Indian elephant, Elephas maximus', 'flatworm, platyhelminth', 'snorkel', 'chiton, coat-of-mail shell, sea cradle, polyplacophore']