Perdicella carinella is a species of tropical, tree-living, air-breathing, land snails, arboreal pulmonate gastropod mollusks in the family Achatinellidae. This species is endemic to Hawaii in the United States. == References == Seddon, M.B. 1996. Perdicella carinella. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.