Auriculella ambusta


Auriculella ambusta is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusc in the family Achatinellidae.
;Subspecies:Auriculella ambusta ambusta Pease, 1868Auriculella ambusta obliqua Ancey, 1892

Description &; Biology

The length of the shell attains 8.5 mm, its diameter 5 mm
The shell is solid, imperforate, and possesses an oval-conic shape with a sinistral coil. It is distinctly striated in a longitudinal direction. There are six whorls in total, which are plano-convex in profile, separated by a well-marked suture that leads to an obtuse summit.
The aperture is vertical and subauriform. The peristome is very thick and double-layered, while the parietal lamella is relatively thin. At the extreme upper portion of the columella, there is a thick, strongly twisted fold.
In terms of coloration, the shell is a light purplish-white, except at the base, which is a burnt brown. The shell is covered by a brown epidermis that detaches easily. Both the peristome and the interior of the aperture are a light brown hue.
Auriculella ambustahas a white shell with possible markings. They eat fungi and bacteria from leaves.

Distribution

This species is endemic to the Hawaiian Islands.

Habitat

They are found in the Waianae mountains in west Oahu.