Home Guide to Opisthobranchs Cephalaspidea Bulloidea Retusa obtusa

Retusa obtusa

Retusa obtusa (Montagu, 1803)

Retusa obtusa @ Artsdatabanken - Cephalaspids of Norway by Lena Tina Ohnheiser

WoRMS Taxonomic Information

Current accepted name: Retusa obtusa (Montagu, 1803)

Current classification

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

Classification provided by the World Register of Marine Species (WoRMS). [141134]

Synonyms

  • Bulla obtusa Montagu, 1803 (original)
  • Bulla pertenuis Mighels, 1843
  • Bulla plicata Brown, 1827
  • Bulla turrita Møller, 1842
  • Retusa obtusa var. lajonkaireana (Basterot, 1825), sensu Jeffreys, 1867 
  • Retusa obtusa var. turrita (Møller, 1842)
  • Retusa obtusata
  • Retusa pertenuis (Mighels, 1843)
  • Retusa turrita Møller, 1842
  • Utriculus obtusus (Montagu, 1803)
  • Utriculus obtusus var. semistriata Jeffreys, 1869

Description

Biology

Etymology

  • Retusa. From Latin “retusus”, blunt.
  • Obtusa. From latin “obtusus”, blunt, dull, obtuse.

Distribution

Known georeferenced records of the species: Retusa obtusa
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 obtusa based on our own records.

More pictures

    We have no (more) pictures for Retusa obtusa

Bibliography

    1246567 Retusa obtusa 1 eunomia-revista-en-cultura-de-la-legalidad 50 creator asc 1 19832 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 obtusa" in OPK-Opistobranquis. Published: 07/06/2015. Accessed: 06/09/2026. Available at (https://opistobranquis.info/en/?p=19832)