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

The shell is transversely lirate, larger and smaller lirae alternating, obsoletely articulated with white.

The oblong aperture is very oblique, greenish white within.

There is a narrow lunar umbilical rimation.

The thin operculum is orbicular and multispiral [3] This marine species occurs in the Indian Ocean off Mauritius.