Atlantica calathoides (Lowe, 1863)



Taxonomy & Nomenclature

Synonym/s: Helix calathoides Lowe, 1863 (original combination); Discus guerinianus calathoides (Lowe, 1863); Helix calathoides Paiva, 1867 [incorrect author]; Patula calathoides (Lowe, 1863)


Conservation Status

Rediscovered in 2008

IUCN RedList status: Critically Endangered



Deserta Grande Island, Desertas Islands, Madeiran Archipelago


Biology & Ecology










Original scientific description:

Lowe, R. T. (1863). Description of two new Madeiran Land-Shells lately discovered by the Barão do Castello de Paiva and Sr J. M. Moniz. Annals and Magazine of Natural History (3) 12(71): 338-340.


Other references:

Abreu, C. and Teixeira, D. (2008). List of molluscs (Mollusca). In: Borges, P.A.V., Abreu, C., Aguiar, A.M.F., Carvalho, P., Jardim, R., Melo, I., Oliveira, P., Sérgio, C., Serrano, A.R.M. & Vieira, P. (eds.). (ed.), A list of the terrestrial fungi, flora and fauna of Madeira and Selvagens archipelagos, pp. 237-244. Direcção Regional do Ambiente da Madeira and Universidade dos Açores, Funchal and Angra do Heroísmo.

Cameron, R. A. D. and Cook, L. M. (1999). Land snail faunas of the Deserta Islands, Madeiran archipelago, past and present. Journal of Conchology, London 36: 1-15.

Cameron, R. A. D and Teixeira, D. (2013). One up, one down, all change: The status and identity of two Critically Endangered Madeiran land snails. Tentacle 21: 20-21.

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.

Cameron, Robert A. D., Teixeira, Dinarte, Pokryszko, Beata, Silva, Isamberto and Groh, Klaus. (2021). An annotated checklist of the extant and Quaternary land molluscs of the Desertas Islands, Madeiran Archipelago. Journal of Conchology 44(1): 53-70.

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.

MolluscaBase eds. (2021). MolluscaBase. Atlantica calathoides (R. T. Lowe, 1863). Accessed at: on 2022-03-07

Paiva, C. de. (1867). Monographia Molluscorum terrestrium fluvialium, lacustrium insularum Maderensium. Memorias da Academia Real de Lisboa, Cl. Sci. math. phys. nat. 4(1): 1-168 pl. 1-2.

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. (2017). Atlantica calathoides. The IUCN Red List of Threatened Species 2017: e.T107353425A107353451. Downloaded on 27 January 2018.

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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