Posticobia norfolkensis is an extinct species of freshwater snail, an aquatic gastropod mollusc in the family Tateidae. This species was endemic to Norfolk Island.

References

  1. ^ Mollusc Specialist Group (1996). "Posticobia norfolkensis". IUCN Red List of Threatened Species. 1996: e.T18090A7654622. doi:10.2305/IUCN.UK.1996.RLTS.T18090A7654622.en. Retrieved 17 November 2021.


Allikas: http://en.wikipedia.org/wiki/Posticobia_norfolkensis
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