Atlantica guerinianus (Lowe, 1852)

Madeiran land snail



Taxonomy & Nomenclature

Synonym/s: Discus guerinianus (Lowe, 1852); Helix gueriniana Lowe, 1852; Helix semiplicata L. Pfeiffer, 1852 [n. nom. pro H. gueriana Lowe 1852 in error]


Conservation Status

Last record: 1860's

Since rediscovered (Cameron & Cook, 1999)

IUCN RedList status: Critically Endangered (Possibly Extinct)



Madeira, Portugal


Biology & Ecology










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.

Cameron, R. D. C. and Cook, L. M. (1999). Island land snail relocated. Journal of Molluscan Studies 65: 273-274.

Cameron, R. A. D., Holyoak, G. A., Holyoak, D. T., Yanes, Y., Alonso, M. R., Ibáñez, M. (2013). Shell characters and genital anatomy of Atlantica calathoides and transfer of the genus Atlantica from Discidae to Gastrodontidae (Gastropoda: Pulmonata). Journal of Conchology 41: 287-294.

Cuttelod, A., Seddon, M. and Neubert, E. (2011). European Red List of Non-marine Molluscs. Publications Office of the European Union, Luxembourg.

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

Hilton-Taylor, C. 2000. 2000 IUCN Red List of Threatened Species. IUCN, Gland, Switzerland and Cambridge, UK.

Holyoak, David et al. (2011). Taxonomic revision, habitats and biogeography of the land snail family Discidae (Gastropoda: Pulmonata) in the Canary Islands. Journal of Conchology 40(6): 583-603.

IUCN. 1990. IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Pfeiffer, L. 1852. Nothwendige Vertauschung einiger Namen. Z. Malak. 9(4): 62-64.

SEDDON, M. B. (1996). Discus guerinianus Lowe, 1852. In VAN  HELSDINGEN PJ, WILLEMSE  L & SPEIGHT, MCD (eds)  Background  information on invertebrates of the Habitats Directive and the Bern Convention. Part 3: Mollusca and Echinodermata. Nature and environment 81: 425-427. Council of Europe, Strasbourg.

Seddon, M. B. (2008). An illustrated compendium of the landsnails and slugs of the Madeiran archipelago. Studies in Biodiversity and Systematics of Terrestrial Organisms from the National Museum of Wales. BIOTIR Reports 2. National Museum of Wales, Cardif.

Teixeira, D., Groh, K., Seddon, M. B. and Cameron, R. (2017). Atlantica guerinianus. The IUCN Red List of Threatened Species 2017: e.T6735A86008614. Downloaded on 27 January 2018.

Wells, S. M. and Chatfield, J. E. (1992). Threatened non-marine molluscs of Europe. Nature and Environment (Council of Europe) No 64.

Wells, S.M., Pyle, R.M. and Collins, N.M. (compilers) 1983. The IUCN Invertebrate Red Data Book. IUCN, Gland, Switzerland and Cambridge, UK.

Wollaston, T.V. 1878 Testacea Atlantica or the land and freshwater shells of Azores, aderiras, Salvages, Canaries, Cape Verdes and Saint Helena. London; Reeve.


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