Cerithiella martensii

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.

Description
The maximum recorded shell length is 11.3 mm.

Habitat
Minimum recorded depth is 419 m. Maximum recorded depth is 2160 m.