title: Athearnia
text: # Athearnia
  
  Athearnia is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Pleuroceridae.
  
  ## Species
  
  Species within the genus Athearnia include:
  
  * Athearnia anthonyi
  * Athearnia crassa, the boulder snail
  