| Partulina semicarinata | |
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Achatinellidae |
| Genus: | Partulina |
| Species: | P. semicarinata |
| Binomial name | |
| Partulina semicarinata (Newcomb, 1853) | |
Partulina semicarinata (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 in the United States. The US Fish and Wildlife Service recently proposed to list this snail as an endangered species.