Partulina variabilis

Partulina variabilis, also called the lanai tree snail, is a species of tropical air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species is endemic to Hawaii.

Distribution and habitat
Partulina variabilis is found on the island of Lanai at Lanaihale. They can be found in wet montane forests at elevations from 3,300 feet to 3,600 feet on Mount Lanaihale.

Description
Partulina variabilis has an ovate shell with 5 to 7 whorls. They reach maturity at 4 to 7 years.