Opheliidae

Opheliidae is a family of small, annelid worms. Some of the genera, like Armandia, Ophelina and Polyophthalmus, have lost their circular muscles. The family consist of the following genera:
 * Ammotrypanella
 * Antiobactrum
 * Armandia
 * Dindymenides
 * Euzonus
 * Kesun
 * Lobochesis
 * Ophelia
 * Ophelina
 * Polyophthalmus
 * Pygophelia
 * Tachytrypane
 * Thoracophelia
 * Travisia