Cerithiella macroura is a species of very small sea snail, a marine gastropod mollusk in the family Newtoniellidae. It was described by Melvill and Standen, in 1912.Cerithiella macroura at World Register of Marine Species.
Description The maximum recorded shell length is 3.55 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 102 m. Maximum recorded depth is 102 m.
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