Rhinoclavis fasciata (Bruguière, 1792). (Synonyms: Cerithium hawaiiensis (Dall ms.) Tinker, 1952; C. pharos (Hinds), Tinker, 1952.) Length 25 mm; diameter, 7 mm. Shell: elongate-conic, slender; relatively smooth axial plications forming low ribs and incised spiral lines; color variable — white or cream, sometimes with brown. Spire: protoconch of about three whorls; teleoconch of 12 to 14 whorls, rather straight-sided; suture distinct, undulated or crenulated by the ends of the axial ribs. Sculpture: axial plications forming small, straight, low, rounded ribs (about 20 on the penultimate whorl), sometimes extending from suture to suture, at other times extending only about half the length of the whorl; ribs crossed by incised spiral lines forming flat cords, the cords sometimes granular. Aperture: narrowly ovate, with a single plait on the columella and a thick, blunt denticle on the base of the columella callous; siphonal canal strongly recurved. Color: variable — white or cream, sometimes with brown in spiral bands and occasional brown spots.
These cerithids are sand-dwellers, found at depths of 30 to 200 m.
R. fasciata is widely distributed throughout the Indo-West Pacific. Small shells (about 20 to 24 mm in length) with brown spiral bands were given the name "hawaiiensis" by Dali, and that name was used by Tinker (1952) but has no taxonomic validity. Houbrick (1978) considers thèse Hawaiian shells as ecophenotypic variations, noting similar shells are found in the Caroline Islands and Zanzibar.