Neocollonia pilula is a species of sea snail, a marine gastropod mollusk in the family Colloniidae.
(Description of Monilea inepta, originally in Latin) The small, solid, ovate-conical shell is encircled by articulated threads, one of which is more prominent, in rosy or clay-colored hues with paler intervals.
The sutural region is tessellated, with 4 convex whorls and a blunt apex.
The base is convex, with a moderate, plicate umbilicus encircled by a whitish band.
[3] This marine species occurs off South Japan, China; off Papua New Guinea and the Philippines.