title: Perimangelia interfossa
text: # Perimangelia interfossa
  
  Perimangelia interfossa is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
  
  ## Description
  
  The solid shell is dark reddish brown. It contains 8 whorls, with 8-10 strong longitudinal ribs, and 10-12 threadlike, darker colored revolving ribs in the interspaces only. The outer lip is simple and somewhat thickened.
  
  ## Distribution
  
  This marine species occurs off Northwest USA.
  
  