Acmaturris brisis
Acmaturris brisis is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Description
The length of the shell attains 8.3 mm, its diameter 2.9 mm.The medium-sized shell is slender. The protoconch consists of between two and a half and three whorls, the last one sculptured with closely spaced axialriblets.
The sculpture is reticulate, consisting of narrow axial ribs, barely curved on the anal fasciole, overridden by spiral threads. The interspaces bear microscopic spiral threads, some of which may be relatively strong, frosted by microscopic axials.