title: Fissurellidea megatrema
text: # Fissurellidea megatrema
  
  Fissurellidea megatrema is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
  
  ## Description
  
  The size of the shell varies between 17 mm and 32 mm.
  
  ## Distribution
  
  This species occurs in the Atlantic Ocean off Brazil, Uruguay, Argentina
  
  