sea cucumber, holothurian
['hammerhead, hammerhead shark', 'American lobster, Northern lobster, Maine lobster, Homarus americanus', 'grey whale, gray whale, devilfish, Eschrichtius gibbosus, Eschrichtius robustus', 'eft', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'artichoke, globe artichoke', 'green lizard, Lacerta viridis']