Quoy and Gaimard, 1827
Anterior nectophore as broad as it is wide, with most ridges heavily, but irregularly, serrated. Ventral facet not separated, by a transverse ridge, from apico-ventral one. Posterior nectophore with from 4 to 11 teeth on comb. Two rows of teeth on basal margin of right ventral wing. Ostial teeth heavily serrated.