Bernasconi 1995. Two new cave prosobranch snails from Papua New Guinea: Selmistomia beroni n. gen. n. sp. (Caenogastropoda: Hydrobiidae) and Georissa papuana n. sp. (Archaeogastropoda: Hydrocenidae). (Zoological results of the British Speleological Expedition to Papua New Guinea 1975.). Revue Suisse de Zoologie, 102(2), Juin 1995: 373-386