title: Helicodiscus diadema
text: # Helicodiscus diadema
  
  Helicodiscus diadema, common name the shaggy coil, is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicodiscidae.
  
  ## Distribution
  
  This species is found only in one small part of the state of Virginia, in the United States.
  
  ## Conservation status
  
  The survival of this species is "near endangered".
  
  