Gibberula jeanaeGibberula jeanae is a species of very small sea snail, a marine gastropod mollusk or micromollusk in the family Cystiscidae.DescriptionGibberula jeanae was introduced by Lussi and Smith in 1998 as one of eight new species and three new genera in the family Cystiscidae.DistributionGibberula jeanae is found in South Africa.