The Oligochaeta

Polychaetes, Echiurans, Citelatas, Leeches. These are a small handful of the 14,000 different species of animals classified as Annelids. Annelids have been around for millions of years, and mainly consist of different types of worms. But today I will specifically shine a light on Oligochaeta. Oligochaeta is a multitude of worms, containing 10,000 species in itself. It is a class of animals in the phylum annelida, which is made up of many types of aquatic and terrestrial. With around 10,000 known species, the Oligochaeta makes up about half of the phylum Annelida. All species in the Oligochaeta category are well-segmented worms