Cyphoma macumba is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries. This species has become an (uncertain) synonym of Cyphoma gibbosum (Linnaeus, 1758) Distribution Endemic to Brazil - from Ceará to Rio de Janeiro State (belonged to the Bahian Subprovince, including Abrolhos archipelago, according to Petuchi, 2013). Description The maximum recorded shell length is 32.5 mm. Habitat Minimum recorded depth is 2 m. Maximum recorded depth is 10 m. References External links Ovulidae Gastropods described in 1979