Palaina macgillivrayi

Palaina macgillivrayi, also known as Macgillivray's staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.

Description
The pupiform shell of adult snails is 5.2–6.3 mm in height, with a diameter of 2.9–3.1 mm. It is golden-brown in colour, darker on the final whorl and with a white peripheral band, with widely spaced ribs. The circular aperture has a strongly reflected lip. The animal has a white body with dark grey cephalic tentacles and black eyes.

Habitat
The snail is widespread and common across the island.