Higher Classification: > Kingdom Animalia > Phylum Mollusca > Class Gastropoda > Subclass Caenogastropoda > Order Littorinimorpha > Superfamily Rissooidea > Family Rissoidae > Genus Rissoa

Rissoa variabilis (Von Mühlfeldt, 1824)

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

RissoaDesmarest, 1814accepted genus name
Apicularia Monterosato, 1884 synonym
Goniostoma Villa, 1841 synonym
Lilacinia Nordsieck, 1972 synonym
Rissoa (Apicularia) Monterosato, 1884 synonym
Rissoia Bronn, 1848 synonym
Rissostomia G.O. Sars, 1878 synonym
Sabanea Monterosato, 1884 synonym
Sfaxiella Nordsieck, 1972 synonym
Turboella Leach, 1847 synonym
Zippora Leach, 1852 synonym

Species group names

Helix variabilis Megerle von Mühlfeld, 1824 synonym
Rissoa costata Desmarest, 1814 synonym
Rissoa costulata Risso, 1826 synonym
Rissoa desmaresti Récluz, 1843 synonym
Rissoa spongicola Dautzenberg, 1883 synonym
Rissoa variabilis var. brevis Bucquoy, Dautzenberg & Dollfus, 1884 synonym
Rissoa variabilis var. elongata Bucquoy, Dautzenberg & Dollfus, 1884 synonym
Rissoia neglecta Locard, 1886 synonym
Rissoia protensa Locard, 1886 synonym
Turbo rissoanus Delle Chiaje, 1828 synonym

Vernaculars (+) (-)

 English: variable risso


basis of record

Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180-213

additional source

MacDonald & Co (1979). The MacDonald Encyclopedia of Shells. MacDonald & Co. London & Sydney.





External Links

GenBank (1 nucleotides; 0 proteins)
Biodiversity Heritage Library (51 publications)


Gofas, S. (2014). Rissoa variabilis. In: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2014) European Register of Marine Species, accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:141372




 Present  Absent  Doubtful  Native  Introduced  Naturalised  Invasive  Managed  No data




EU Habitat Directive:
annex IV EU Habitat Directive Annex IV: Species of community interest in need of strict protection.
Red List status DD 2008This species is data deficient, there is inadequate information to make a direct, or indirect, assessment of its risk of extinction based on its distribution and/or population status according to the red list of the International Union for Conservation of Nature and Natural Resources.

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Last modified

2004-12-21 by Serge Gofas

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