Acotylea


Acotylea is a suborder of free-living marine turbellarian flatworms in the order Polycladida.

Description

As currently defined, Acotylea includes polyclads with a Lang's vesicle in the female reproductive system and the male copulatory apparatus directed backwards. When tentacles are present, they are nuchal. The eyespot groups can be nuchal, cerebral, and marginal.

Taxonomy

The internal classification of Acotylea has been unstable, with some genera and families constantly changing place as new molecular and morphological data are analyzed. The current classification is presented below: