flatworm, platyhelminth
['sea anemone, anemone', 'American lobster, Northern lobster, Maine lobster, Homarus americanus', 'harvestman, daddy longlegs, Phalangium opilio', 'ladybug, ladybeetle, lady beetle, ladybird, ladybird beetle', 'rule, ruler', 'barracouta, snoek', 'mud turtle']