Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Mollusca > Class Gastropoda > Subclass Orthogastropoda > Subclass Caenogastropoda > Order Littorinimorpha > Superfamily Truncatelloidea > Family Anabathridae > Genus Nodulus

Nodulus contortus (Jeffreys, 1856)

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Nodulus*	Monterosato, 1878	accepted genus name
*Rissoa (Nodulus)*	Monterosato, 1878	synonym

Species group names

*Rissoa contorta*	Jeffreys, 1856	synonym
*Rissoa contorta var. elata*	Bucquoy, Dautzenberg & Dollfus, 1884	synonym
*Rissoa contorta var. intorta*	Monterosato, 1877	synonym
*Rissoa contorta var. lactea*	Bucquoy, Dautzenberg & Dollfus, 1884	synonym
*Rissoa contorta var. rufa*	Bucquoy, Dautzenberg & Dollfus, 1884	synonym
*Rissoa contorta var. varicosa*	Bucquoy, Dautzenberg & Dollfus, 1884	synonym

Literature

basis of record	Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213.
additional source	Ponder, W. F. (1983). Review of the genera of the Barleeidae (Mollusca: Gastropoda: Rissoacea). Records of the Australian Museum. 35: 231-281.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Nodulus contortus (Jeffreys, 1856). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:138745