Home Guide to Opisthobranchs Cephalaspidea Bulloidea Retusa umbilicata

Retusa umbilicata

Retusa umbilicata (Montagu, 1803)

Retusa umbilicata @ Artsdatabanken - Cephalaspids of Norway by Manuel Malaquias

WoRMS Taxonomic Information

Current accepted name: Retusa umbilicata (Montagu, 1803)

Current classification

SuperdomainBiota
KingdomAnimalia
PhylumMollusca
ClassGastropoda
SubclassHeterobranchia
InfraclassEuthyneura
SubterclassTectipleura
OrderCephalaspidea
SuperfamilyBulloidea
FamilyRetusidae
GenusRetusa
SpeciesRetusa umbilicata (Montagu, 1803)

Classification provided by the World Register of Marine Species (WoRMS). [156376]

Synonyms

  • Bulla blainvilliana Récluz, 1843
  • Bulla umbilicata Montagu, 1803 (original)
  • Cylichna strigella Lovén, 1846
  • Cylichnina umbilicata (Montagu, 1803)
  • Retusa strigella (Lovén, 1846)
  • Retusa subcylindrica (Brown, 1827)
  • Volvaria subcylindrica Brown, 1827

Description

Biology

Etymology

  • Retusa. From Latin “retusus”, rhomboid, obtuse.
  • Umbilicata. From Latin “umbilicus”, center of country/region, navel, middle, center, ornamented end of a scroll (parchment roll, old book).

Distribution

Known georeferenced records of the species: Retusa umbilicata
Sources:
OBIS
GROC 2010-2011
Enric Madrenas
João Pedro Silva
Bernard Picton
GBIF
OPK
VIMAR
Manuel Ballesteros
M@re Nostrum
Altres fonts
Marine Regions

Abundance

Western Mediterranean: ☆☆☆☆☆
Eastern Mediterranean: ☆☆☆☆☆
Atlantic Ocean: ☆☆☆☆☆
Month

This chart displays the monthly observation probability for Retusa umbilicata based on our own records.

More pictures

Retusa umbilicata @ Malta
Retusa umbilicata @ Artsdatabanken – Cephalaspids of Norway – by Manuel Malaquias
Retusa umbilicata @ Artsdatabanken – Cephalaspids of Norway – by Lena Tina Ohnheiser

Bibliography

    1246567 Retusa umbilicata 1 eunomia-revista-en-cultura-de-la-legalidad 50 creator asc 1 18441 https://opistobranquis.info/wp-content/plugins/zotpress/

    Bibliography based on the works by Steve Long, 2006. Bibliography of Opisthobranchia 1554-2000 and Gary McDonald, 2009. Bibliographia Nudibranchia, with later updates from other resources.

Further reading

Cite this article as:

Ballesteros, M., Madrenas, E. & Pontes, M. (2025) "Retusa umbilicata" in OPK-Opistobranquis. Published: 22/02/2015. Accessed: 06/09/2026. Available at (https://opistobranquis.info/en/?p=18441)