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.[1]
Gavagnin et al. (1994) placed this species accidentally and erroneously in a different genus.
The type locality is La Spezia, Italy.