Ovula costellataOvula costellata is a species of sea snail, a marine gastropod mollusc in the family Ovulidae, the ovulids, cowry allies or false cowries.DescriptionCommonly known as the Pink-Mouth eggshell, this relatively small snail attains a shell size of 50mm.DistributionOvula costellata has a tropical to subtropical distribution range, from East Africa to the Western Pacific and New Zealand's Kermadec islands.