Gibberula modica is a species of small sea snail, a marine gastropod mollusk in the family Cystiscidae, (previously placed in the family Marginellidae).
Description The shell size is 3 millimeters long, decorated with sandy yellows, browns, and whites. The opening is white, and the sides of the opening are ridged.. gastropods.com. Retrieved on 20 August 2020.
Distribution The species is endemic to São Tomé and Príncipe.
References
External links MNHN, Paris: holotype