Synaptocochlea concinna is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

(Description as Stomatella nebulosa) The ovate-oblong shell is shaped like a Haliotis.

Its color is white, clouded with reddish brown.

The columella covers the umbilical fissure with a thick callus.

[2] This marine species occurs in the tropical Indo-West Pacific, Indo-Malaysia, Hawaii, Oceania and off Australia (Northern Territory, Queensland, Western Australia).