Cerithiella martensii is a species of very small sea snail, a marine gastropod mollusk in the family Newtoniellidae. This species is known from the Gulf of Mexico. It was described by Dall, in 1889.Cerithiella martensii at World Register of Marine Species.
Description The maximum recorded shell length is 11.3 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 419 m. Maximum recorded depth is 2160 m.
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