{{Short description|Species of gastropod}}

{{Use dmy dates|date=May 2017}} {{Speciesbox | image = | status = EX | status_system = IUCN3.1 | status_ref = <ref name="iucn status">{{cite iucn |author=Gerlach, J. |date=2024 |title=''Partula tristis'' |volume=2024 |article-number= e.T16330A112362293 |access-date=29 July 2024}}</ref> | taxon = Partula tristis | authority = Crampton & Cooke, 1953 | synonyms = }}

'''''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.<ref name="iucn status" /> It is informally known as the mournful tree snail.<ref>{{Cite web | url=https://islandbiodiversity.com/tristis.htm | title=The similar Partula tristis}}</ref>

==References== {{Reflist}}

{{Taxonbar|from=Q2707627}} {{Partula species}} tristis Category:Taxonomy articles created by Polbot Category:Gastropods described in 1953 Category:Taxa named by Henry Crampton

{{Partulidae-stub}}