Cyphoma intermedium, common name : Intermediate Egg Shell, is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.

Cyphoma signatum, common name: the Fingerprint Flamingo Tongue, is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.

The reason for the inflation is found in the two species of cowries residing in the Indian Ocean.

Margovula marginata, common name the Chinese egg shell, is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.

Diminovula stigma is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.