Ascobulla fragilis

Ascobulla fragilis (Jeffreys, 1856)

Ascobulla fragilis @ Malta by Constantino Mifsud
Class: Gastropoda  Cuvier, 1797
Subclass: Heterobranchia  J.E. Gray, 1840
Clade: Euthyneura  Spengel, 1881
Clade: Panpulmonata  Jörger et al., 2010
Clade: Sacoglossa  von Ihering, 1876
Superfamily: Oxynooidea  Stoliczka, 1868 (1847)
Family: Volvatellidae  Pilsbry, 1895
Genus: Ascobulla  Ev. Marcus, 1972
Species: Ascobulla fragilis (Jeffreys, 1856) [Cylichna]


  • Cylichna fragilis Jeffreys, 1856
  • Cylindrobulla fragilis (Jeffreys, 1856)




  • Ascobulla. From Greek “askon”, sack, bag + from Latin “bulla”, knob, stud, bubble.
  • Fragilis. From Latin “fragilis”, fragile, weak.


Known georeferenced records of the species: Ascobulla fragilis (z-200).
: GROC 2010-2011 : VIMAR
: Enric Madrenas : Manuel Ballesteros.
: João Pedro Silva : M@re Nostrum
: Bernard Picton : Other sources
: GBIF.ORG : Marine Regions

References for the species: Ascobulla fragilis

    Cantabria: Pruvot-Fol (1954), Nordsieck (1972). Andalucía (Med.): Ballesteros et al. (1986). Levante: Hidalgo (1917, as Cylindrobulla), Templado, Talavera and Murillo (1983, as Cylindrobulla), Murillo, Templado and Talavera (1985, as Cylindrobulla), Marín and Ros (1988). Canarias: Ortea et al. (1998, 2001), Moro et al. (2003). Madeira: Watson (1897, as Cylindrobulla), Nobre (1937, as Cylindrobulla), Nordsieck and García-Talavera (1979, as Cylindrobulla), Malaquias et al. (2001).

    Sources: Cervera et al., 2004, Ballesteros, 2007, McDonald, 2006 and other sources.


        Western Mediterranean:0 Stars
        Eastern Mediterranean:0.0 Stars
        Atlantic Ocean:0.0 Stars
This chart displays the observation probability for Ascobulla fragilis
based on our own records.

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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, Manuel, Enric Madrenas, Miquel Pontes et al. (2012-2017) "Ascobulla fragilis" in OPK-Opistobranquis, Published: 21/02/2015, Accessed: 19/10/2017 at (

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