Ratio of length to width (l/w) more than 2. Meridional canals with very dense diverticulae, which may anastomose with each other. Comb rows all the same length and extending three-quarters to five-sixths of the body length. There is an axial funnel-tube. The aboral pole is fringed with a row of long branched papillae. Size is up to 200 mm. The Mediterranean, western Atlantic and Pacific oceans: Beroe forskalii Milne Edwards, 1841.