are phylum annelida are commonly found
PHYLUM ANNELIDA (segmented worms) The name âAnnelidaâ means âlittle ringâ, which refers to the segments that make up their bodies. As in molluscs, a fluid-filled body cavity, the coelom, is present. Earthworms, leeches, and an assortment of segmented marine worms belong to this phylum.