| 词条 | Pupina difficilis |
| 释义 |
| image = | status = LC | status_system = IUCN3.1 | status_ref = [1] | regnum = Animalia | phylum = Mollusca | classis = Gastropoda | unranked_superfamilia = clade Caenogastropoda Informal group Architaenioglossa | superfamilia = Cyclophoroidea | familia = Pupinidae | subfamilia = Pupininae | genus = Pupina | species = P. difficilis | binomial = Pupina difficilis | binomial_authority = Semper, 1865 | synonyms = }} Pupina difficilis is a species of land snail with an operculum, a terrestrial gastropod mollusk in the family Pupinidae. This species is endemic to Palau. References1. ^{{Cite journal | author = Rundell, R.J. | title = Pupina difficilis | journal = The IUCN Red List of Threatened Species | volume = 2012 | page = e.T18917A1920454 | publisher = IUCN | date = 2012 | url = http://www.iucnredlist.org/details/18917/0 | doi = 10.2305/IUCN.UK.2012.RLTS.T18917A1920454.en | access-date = 13 December 2017}}
4 : Fauna of Palau|Pupina|Endemic fauna of Palau|Taxonomy articles created by Polbot |
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