Turbo terebra Linnaeus, 1758 Turritella terebra is a species of sea snail, a marine gastropod mollusk in the family Turritellidae.
[1] The shell of Turritella terebra, has a long tower-like shape which resembles a drill, hence its name.
The shell is narrow and tall, with as many as 30 whorls.
Its color is light to dark brown.
[2] The species is native to the Indo-West Pacific region.