Family Mangeliidae
Ithycythara sp
Shell size to 5 mm; shell fusiform, spire about half shell length. Sculpture of about 6-9 narrow but strong axial ribs. Rib interspaces twice as wide as ribs. Ribs form angles at periphery, angles stronger on earlier whorls. Aperture elongate. Anterior canal short. Color whitish with one broad reddish-brown band on anterior part of each whorl, two bands on last whorl.