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Any of many annelid worms, of the class Polychaeta, such as the lugworm; they have a segmented body with pairs of bristles on each segment.

Plate titled "A variety of marine worms" from M. J. Schleiden's Das Meer

Any of many annelid worms, of the class Polychaeta, such as the lugworm; they have a segmented body with pairs of bristles on each segment.

Pharynx eversion in Phyllodoce lineata

Any of many annelid worms, of the class Polychaeta, such as the lugworm; they have a segmented body with pairs of bristles on each segment.

The plumes of a feather duster worm are known as radioles