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)Reijnen B.T. & van der Meij S.E.T. (2017). "Coat of many colours—DNA reveals polymorphism of mantle patterns and colouration in Caribbean Cyphoma Röding, 1798 (Gastropoda, Ovulidae)". PeerJ5:e3018
Distribution Endemic to Brazil - from Ceará to Rio de Janeiro State (belonged to the Bahian Subprovince, including Abrolhos archipelago, according to Petuch, 2013).
Description The maximum recorded shell length is 32.5 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLOS One 5(1): e8776. .
Habitat Minimum recorded depth is 2 m. Maximum recorded depth is 10 m.
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