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.
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| Species: | P. difficilis
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| Pupina difficilis Semper, 1865 [1]
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References edit
- ^ Rundell, R.J. (2012). "Pupina difficilis". IUCN Red List of Threatened Species. 2012: e.T18917A1920454. doi:10.2305/IUCN.UK.2012.RLTS.T18917A1920454.en. Retrieved 14 November 2021.
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