Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Mollusca > Class Gastropoda > Subclass Orthogastropoda > Subclass Heterobranchia > Infraclass Euthyneura > Subterclass Tectipleura > Order Cephalaspidea > Superfamily Bulloidea > Family Retusidae > Genus Retusa

Retusa umbilicata (Montagu, 1803)

Rank: Species
Taxon Status: accepted

Original genus

Bulla Linnaeus, 1758

Relationships towards this taxon

Genus group names

*Retusa*	T. Brown, 1827	accepted genus name
*Cryptaxis*	Jeffreys, 1883	junior homonym
*Utriculus*	T. Brown, 1844	junior homonym
*Bulla (Retusa)*	T. Brown, 1827	synonym
*Coleophysis*	P. Fischer, 1883	synonym
*Cylichnina*	Monterosato, 1884	synonym
*Mamilloretusa*	F. Nordsieck, 1972	synonym
*Retusa (Coleophysis)*	P. Fischer, 1883	synonym
*Retusa (Cylichnina)*	Monterosato, 1884	synonym
*Retusa (Retusa)*	T. Brown, 1827	synonym

Species group names

*Bullinella umbilicata*	(Montagu, 1803)	synonym
*Cylichna strigella*	Lovén, 1846	synonym
*Cylichnina umbilicata*	(Montagu, 1803)	synonym
*Retusa strigella*	(Lovén, 1846)	synonym
*Retusa subcylindrica*	(T. Brown, 1827)	synonym
*Volvaria subcylindrica*	T. Brown, 1827	synonym

Literature

basis of record	Thompson, T. E. (1976). Biology of Opisthobranch Molluscs. Vol., 1. Ray Society (Monograph 151). 207 pp.
additional source	Valdés A. (2019). Northeast Pacific benthic shelled sea slugs. Zoosymposia. 13: 242-304.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Retusa umbilicata (Montagu, 1803). 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:156376