title: Sagda alligans
text: # Sagda alligans
  
  Sagda alligans is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Sagdidae.
  
  ## Shell description
  
  The shell is imperforate, globosely conoidal, white, under a brownish-yellow epidermis. The incremental striae are regular, stronger on the spire than on the body whorl. The number of whorls is 8. The shell has a narrow, aperture with a deep-seated strong basal lamella.
  
  The adult shell diameter is 15–20 mm.
  
  ## Distribution
  
  This species occurs in Jamaica.
  
  