title: Pseudorhaphitoma brionae
text: # Pseudorhaphitoma brionae
  
  Pseudorhaphitoma brionae is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
  
  ## Description
  
  The length of the shell attains 20 mm, its diameter 6 mm
  
  The dark red shell has a very long and turreted spire. The shell contains 9 whorls. It is smooth, and the very fine spiral striae can only be seen through a lens. The 10 longitudinal ribs are rounded and smooth, but become acuminate at the base of the shell. The body whorl is small and slightly convex. The oblong aperture is broad in the middle and narrow at the extremities. The columella is perpendicular. The outer lip is arcuate and slightly insinuate at the base.
  
  ## Distribution
  
  This marine genus occurs off Hong Kong.
  
  