n. pl. - A division of the Articulata, having the body formed
of numerous rings or annular segments, and without jointed legs. The
principal subdivisions are the Chaetopoda, including the Oligochaeta or
earthworms and Polychaeta or marine worms; and the Hirudinea or
leeches. See Chaetopoda.
n. pl. - A division of the Articulata, having the body formed
of numerous rings or annular segments, and without jointed legs. The
principal subdivisions are the Chaetopoda, including the Oligochaeta or
earthworms and Polychaeta or marine worms; and the Hirudinea or
leeches. See Chaetopoda.