Atys neglectus is a species of small tropical sea snail, a bubble snail, a marine opisthobranch gastropod mollusk in the family Haminoeidae, the haminoea bubble snails.

Distribution This marine species occurs off the Andaman Islands.

Description The length of the shell of this species attains 4 mm, its diameter 2 mm.

(Original description) The imperforate shell is elongately ovate, sub-cylindrical, rather convex in the middle. It is greyish white, polished, smooth except at the ends where several grooves appear. The apex is closed. The aperture is very narrow above and moderately wide below. The columella is oblique. The peristome is broadly thickened, and bent slightly inwards, a little extended above the vertex.Preston, H. B. "Descriptions of new species of land, marine and freshwater shells from the Andaman Islands." Records of the Indian Museum 2.2 (1908): 187-210

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