title: Nassarius pachychilus
text: # Nassarius pachychilus
  
  Nassarius pachychilus, the Angolan nassa, is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the Nassa mud snails or dog whelks.
  
  ## Description
  
  The shell size varies between 11 mm and 20 mm.
  
  ## Distribution
  
  This species occurs in the Atlantic Ocean off Senegal, Ghana and Angola.
  
  