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Atlantica gueriniana

Madeiran land snail

Critically endangered, possibly extinct  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Gastrodontidae
Genus: Atlantica
Species:
A. gueriniana
Binomial name
Atlantica gueriniana
(R. T. Lowe, 1852)
Synonyms
  • Atlantica guerinianus
  • Discus guerinianus (Lowe, 1852)
  • Helix gueriana
  • Helix gueriniana Lowe, 1852
  • Helix guerinianus
  • Helix semiplicata L. Pfeiffer, 1852

Atlantica gueriniana is a species of small air-breathing land snail, a terrestrial gastropod mollusk presently in the family Gastrodontidae,[2][3] but formerly in Discidae, the disk snails.[1]

Distribution

This species is endemic to Madeira, Portugal.[1][4]

Shell description

The shell of these snails is shaped like a discus, or a lens, with a noticeable "edge" around the periphery of the whorls.

Conservation status

This species is mentioned in annexes IV and IV of the Habitats Directive.[4]

References

  1. ^ a b c Teixeira, D.; Groh, K.; Seddon, M.B. & Cameron, R. (2017). "Atlantica guerinianus". IUCN Red List of Threatened Species. 2017: e.T6735A86008614. doi:10.2305/IUCN.UK.2017-3.RLTS.T6735A86008614.en. Retrieved 19 June 2023.
  2. ^ MolluscaBase eds. (2022). MolluscaBase. Atlantica gueriniana (R. T. Lowe, 1852). Accessed through: World Register of Marine Species at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1002131 on 2023-06-19
  3. ^ "Discus". Global Biodiversity Information Facility.
  4. ^ a b "Discus guerinianus - Lowe, 1852". eunis.eea.europa.eu. European Environment Agency. Retrieved 26 January 2020.