The genital cone is a kind of lip located on the dorsal face of the ventro-lateral lobes. It has a pair of small papillae (equivalent of rays 7) as well as, an insulated papilla (papilla 0).
This genital cone can present various forms:it can of the shape marked (small bump), in strip, triangular, of broad form (widened) or be little hypertrophied (very lengthened cone).