What types of segmented worms are there?

Their shapes are varied, and they range in size from microscopic to 75 feet in length. Scientists have classified worms into more than 15 phyla. The phylum Annelida contains the segmented worms. Annelida is further divided into three subclasses: Oligochaeta, Hirudinea and Polychaeta. read more

Some of the most common types of segmented worms include earthworms, leeches, and sandworms. Earthworms make up the largest and most diverse group of segmented worms in the world. In all, there are more 2,700 different types of earthworms living in every corner of the earth today. read more

The phylum Annelida contains the segmented worms. The taxonomy of the phylum has undergone considerable revision. Current thought is that there are three classes of these worms. Polychaete worms are usually found in the ocean. Another class is the Clitellata. This class includes the subclass Oligochaete, earthworms. read more