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.

[1] The maximum recorded shell length is 3.55 mm.

[2] Minimum recorded depth is 102 m.[2] Maximum recorded depth is 102 m.[2]

This Caenogastropoda-related article is a stub.