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

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.