Anterior nectophores with variably serrated ridges. The nectosac gradually narrows toward its apex, which lies close to that of the nectophore itself. Hydroecium extends to about one-third the height of the nectophore, with the spindle-shaped somatocyst extending up from it to close to the apex of the nectophore. The dorsal ostial tooth is of equal size to or smaller than the lateral ones. Mouth plate not divided. Posterior nectophore with similar arrangement of 3 ostial teeth. Lateral teeth, and the baso-lateral margins are serrated. Eudoxid bract shield-like, lying on the ventral side of the gonophore.