An illlustration of a dasychone infracta, a type of annelid. The annelids, collectively called Annelida (from Latin anellus "little ring"), are a large phylum of animals comprising the segmented worms, with about 15,000 modern species including the well-known earthworms and leeches.

Dasychone Infracta

An illlustration of a dasychone infracta, a type of annelid. The annelids, collectively called Annelida…