Pupa obliquicostulata Smith, 1892:268

St. Helena pupa snail



Taxonomy & Nomenclature

Synonym/s: Pupa obliquicosta Smith, 1892:268; Pupilla obliquicosta Smith, 1892:268


Treated as a "taxon inquirendum" by (MolluscaBase, 2021).


Conservation Status


IUCN RedList status: Extinct



St. Helena


Biology & Ecology





BM 1892.2.24.120­-124 (one was designated a lectotype by (van Bruggen, 1994))






Original scientific description:

Smith, Ε. Α. (1892). On the land shells of St. Helena. Proceedings of the Zoological Society of London 1892: 258-­270, pls 21-22..


Other references:

Baillie, J. and Groombridge, B. (eds). (1996). 1996 IUCN Red List of Threatened Animals. pp. 378. International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.

van Bruggen, A. C. (1994). Revisionary notes on Negulus O. Boettger, 1889, a genus of minute African land snails (Gastropoda Pulmonata: Vertiginidae). Zool. Med. Leiden 68(2): 5-20, figs. 1-8.

Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.

Crowley, T. E. and Pain, T. (1977). La faune terrestre de l'île Sainte­Hélène IV. V E­Mollusca not Charopidae. Ann. Mus.roy. Afr. centr. (8°) Sei. Nat. 220: 534­-575. [547-­548, figs. 189c­d]

Eldridge, Niles. (1998). Life in the Balance: Humanity and the Biodiversity Crisis. Princeton, New Jersey: Princeton University Press.

Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Mollusc Specialist Group. (1996). Pupilla obliquicosta. The IUCN Red List of Threatened Species 1996: e.T18912A8687380. Downloaded on 16 May 2018.

MolluscaBase eds. (2021). MolluscaBase. Pupa obliquicostulata E. A. Smith, 1892. Accessed at: on 2022-04-03

Pilsbry, H. A. (1920-­1921). Pupillidae (Vertigininae, Pupillinae). Man. Conch. (2) 26: i­iv, 1­254. Academy of Natural Sciences of Philadelphia. [p. 104]

Régnier, Claire, Fontaine, Benoît and Bouchet, Philippe. (2009). Not Knowing, Not Recording, Not Listing: Numerous Unnoticed Mollusk Extinctions. Conservation Biology 23(5): 1214-1221.


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