title: Vexillum patulum
text: # Vexillum patulum
  
  Vexillum patulum, common name the wide-mouth mitre, is a species of small sea snail, marine gastropod mollusk in the family Costellariidae, the ribbed miters.
  
  ## Description
  
  The length of the shell attains 18 mm.
  
  (Original description) The ovate shell is rather thin, slightly ventricose, smooth. It is ash-coloured, variegated and clouded here and there with brown. The columella is four-plaited. The aperture is large. The outer lip is thin and sinuated at the upper part.
  
  ## Distribution
  
  This marine species occurs off South Africa
  
  