Cerithiopsis iota is a species of sea snail, a gastropod in the family Cerithiopsidae, which is known from the Gulf of Mexico. It was described by C. B. Adams in 1845.Cerithiopsis iota at World Register of Marine Species.
Description The maximum recorded shell length is 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 7 m. Maximum recorded depth is 115 m.
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