Posticobia norfolkensis

Posticobia norfolkensis is an extinct species of freshwater snail, an aquatic gastropod mollusk in the family Hydrobiidae, the mud snails. This species was endemic to Norfolk Island.

Posticobia norfolkensis
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda

clade Hypsogastropoda

clade Littorinimorpha
Superfamily:
Rissooidea
Family:
Hydrobiidae
Genus:
Posticobia
Species:
P. norfolkensis
Binomial name
Posticobia norfolkensis
(Sykes, 1900)

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.


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