| Partula tristis | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Partulidae |
| Genus: | Partula |
| Species: | †P. tristis |
| Binomial name | |
| †Partula tristis | |
Partula tristis is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to Ra'iātea, French Polynesia. It is now extinct. It is informally known as the mournful tree snail.
