title: Helicinoidea
text: # Helicinoidea
  
  Helicinoidea is a taxonomic superfamily of land snails that have an operculum. In other words, they are terrestrial operculate gastropod mollusks. They are in the superfamily Neritoidea and are quite closely related to the marine and freshwater nerites.
  
  ## Taxonomy
  
  The following families are within according to the taxonomy by Bouchet & Rocroi (2005):
  
  * family Helicinidae
  * † family Dawsonellidae
  * † family Deaniridae
  * family Neritiliidae
  * family Proserpinellidae
  * family Proserpinidae
  