A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chætopoda, including the Oligochæta or earthworms and Polychæta or marine worms; and the Hirudinea or leeches. See Chætopoda.
Phylum of segmented worms, which appear to be surrounded with rings. Annelids live in wet or moist environments, such as oceans, ponds, and soil. Most annelids are bottom-dwellers which burrow. Annelids are very abundant and diverse in the Chesapeake Bay.
the phylum of segmented and worm-like organisms
segmented worms: earthworms; lugworms; leeches
ringed or segmented worms (earthworms, leeches)