Definicija: Any worms of the phylum Anellida, in which the body is divided into segments both internally and externally. The group includes the earthworms, lugworm, ragworm, and leeches.

Definicija: Črvi, gliste in deževniki, ki pripadajo deblu kolobarnikov, za katere je značilna telesna, notranja in zunanja, segmentacija. Skupina vključuje navadne deževnike, gliste in pijavke.