HalongellaHalongella is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Plectopylidae.The generic name is derived from the Halong Bay, where these snails occur.SpeciesSpecies in the genus Plectopylis include:Halongella fruhstorferi Halongella schlumbergeri - type species of the genus ''Halongella''