Chaetopoda
PHYLUM OF SEGMENTED WORMS
Annelids; Annelid worm; Segmented worm; Phylum annelida; Phylum Annelida; Annelida Phylum; Chaetopoda; Ringed worm; Annelida; Annelid worms; Annelidae; Asexual reproduction in annelids; Evolutionary history of annelids
·noun ·pl A very extensive order of Annelida, characterized by the presence of lateral setae, or spines, on most or all of the segments. They are divided into two principal groups: Oligochaeta, including the earthworms and allied forms, and Polychaeta, including most of the marine species.