Cyphoma sedlaki is a species of sea snail in the family Ovulidae, the ovulids, cowry allies or false cowries.

Description The maximum recorded shell length is 26.9 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLOS One 5(1): e8776. .

Habitat It has been recorded at depths of 1.5 m.

References