Shell reversed, slender, conic, the sides regularly sloping to the apex; whorls about fourteen, sculptured by three revolving rows of nodules, which are arranged in slightly oblique rows longi-tudinally, the sutural furrow the deepest; the middle row of nodules is a little smaller than the others; aperture small, last whorl terminating abruptly; canal short, turning slightly to the right. Color snow white except the apex, which is dark brown.
Length, 5; diameter, 1.25 mm.

Described in French (click French flag)

Distribution: Texas; North Carolina to Florida to Brazil. Size: 5 to 8 mm
Description: Color snow white with a dark brown protoconch; shape tall, slender, conic; sculp¬ture of beaded spiral cords connected by axial rows of rounded beaded ribs; axial ribs and spiral beaded rows continue to the base of the shell; early teleoconch whorls with 2 rows of beaded cords and latter whorls with 3; suture distinct, protoconch is of approximately 4 Vi whorls made up of axial ribs and crossed by 2 raised spiral threads; aperture subcircular; siphon abrupt. Habitat: Tropical calcareous environments at depths from below shoreline to 91 m (300 ft). In Texas found on offshore reefs and banks. Remarks: See Ode (1989b); Redfern (2001). Synonym: Triphora melanura C. B. Adams, 1850.