flatworm, platyhelminth
['pick, plectrum, plectron', 'diamondback, diamondback rattlesnake, Crotalus adamanteus', 'nematode, nematode worm, roundworm', 'sturgeon', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa', 'admiral', 'goldfish, Carassius auratus']