Partula tristis

Partula tristis
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Partulidae
Genus: Partula
Species:
P. tristis
Binomial name
Partula tristis
Crampton & Cooke, 1953

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.