Ascobulla fragilis is a species of sea snail, a marine gastropod sacoglossan mollusk in the family Volvatellidae.

The complete nucleotide sequence of the mitochondrial genome of Ascobulla fragilis has been available since 2008.

[3] Gavagnin et al. (1994)[2] placed this species accidentally and erroneously in a different genus.

The type locality is La Spezia, Italy.

[1] This Heterobranchia-related article is a stub.