Genus Euplanoida Faubel, 1983

Diagnosis. Euplanidae of oval, obovate, or cuneiform body; without nuchal tentacles; with tentacular and cerebral eyes that join together as cerebral-tentacular eyes; without marginal eyes. Gonopores separate; male reproductive system directed backward; with seminal vesicle, spermiducal vesicle, spermiducal ducts and unarmed penis papilla; female reproductive system with Lang’s vesicle (modified of Faubel 1983).