Heliopais Sharpe, Bull. B. O. C., vii, p. 37 (1893).
Type by mon., Heliopais personata Gray.
Bill from gape longer than tarsus and rather stout; culmen considerably curved; no frontal shield but in the breeding-season there is a small fleshy horn from the base of the culmen; nostril long and narrow, pervious and placed nearly in the centre of the upper mandible; tarsus shorter than middle toe without claw but very strong; toes fringed with a lobed web; wing rounded, the second, or second and third, longest, the first equal to fifth or sixth; rectrices eighteen in number, broad and stiff, slightly graduated and equal in length to about half the wing.
Sexes slightly differing.