Palaina intercollis


Palaina intercollis, also known as the Intermediate Hill staircase snail, is a species of staircase snail that is endemic to Australia's Lord [Howe Island] in the Tasman Sea.

Description

The globose pupiform shell of adult snails is 4.7–5 mm in height, with a diameter of 2.6–2.8 mm. It is light to dark golden-brown in colour, sometimes with a white peripheral band, and with paler 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 most common in the Intermediate Hill area and on the lower slopes of Mount Lidgbird.