Gibberula diadema is a species of sea snail, a marine gastropod mollusk, in the family Cystiscidae.MolluscaBase (2018). Gibberula diadema Pin & Boyer, 1995. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=582267 on 2019-01-05
Description
The length of the shell attains 2.2 mm. Distribution This marine species occurs off Senegal.
References
External links MNHN, holotype