One Of Many two main categories of Chætopoda. It Offers those that have prominent parapodia and fascicles of setæ. See Illust. under parapodia.
An order or other group of chætopodous annelids, getting the human body segmented, the untrue feet or parapodia with many ehætæ setæ or bristles (whence the name), and mind tentaculate; the polychætous worms.