| Auriculella perpusilla | |
|---|---|
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Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Achatinellidae |
| Genus: | Auriculella |
| Species: | A. perpusilla |
| Binomial name | |
| Auriculella perpusilla Smith, 1873 | |
Auriculella perpusilla is a species of tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks. [2]
This species is endemic to Hawaii.
(Original description in Latin) The shell is small, left-handed (sinistral), and shortly ovate-conic in shape. It is perforated, fragile, and horn-colored. There are 5 slightly convex whorls separated by a simple suture. The aperture is subcircular, and the parietal wall features a thin layer (lamina). The peristome is thin and slightly dilated, while the columella is not folded and is somewhat reflected. [3]
Auriculella perpusilla is incredibly small, most adult shells reaching a height of around 6 millimeters. [4]
Their thin shell has 5 strongly convex whorls with low spires and weakly reflected apertures. [4]
This species is endemic to the island of Oahu, Hawaii. In the past, Auriculella perpusilla inhabited wide parts of Eastern and North-Eastern Oahu throughout the Koolau Mountain Range. [4] This land snail was prevalent in the wet, rain-abundant forest-mountain regions. Today, this species has been only recorded in a specific mountain region near Honolulu. [4]
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