Luria controversa

Luria controversa, the 'Controversial Isabella', is a species of cowry, a sea snail, a marine gastropod mollusk in the family Cypraeidae, the cowries.
Some specialists consider Luria controversa a valid species (F. A. Schilder), while other authors (Felix Lorenz) regard this cowry as just a subspecies of Luria isabella (Luria isabella var. controversa).