Penescosta sororcula is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Charopidae. This species is endemic to Norfolk Island.
References
- ^ Ponder, W.F.; Varman, R. (1996). "Penescosta sororcula". IUCN Red List of Threatened Species. 1996: e.T16558A6063651. doi:10.2305/IUCN.UK.1996.RLTS.T16558A6063651.en. Retrieved 17 November 2021.