Microdriles (small worms) are mostly aquatic or semi-terrestrial oligochaetes.1
References
References
- Maggenti, Armand R.; Mary Ann Basinger Maggenti; Scott Gardner (14 September 2005). "Online Dictionary of Invertebrate Zoology: M". Online Dictionary of Invertebrate Zoology. University of Nebraska, Lincoln. Retrieved 22 May 2014.