Posticobia
| Posticobia | |
|---|---|
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Caenogastropoda | 
| Order: | Littorinimorpha | 
| Family: | Tateidae | 
| Genus: | Iredale, 1943  | 
Posticobia is a genus of freshwater snails, aquatic gastropod molluscs in the family Tateidae.
This genus occurs in Australia and Norfolk Island.
Species
Species within the genus Posticobia include:
- Posticobia brazieri
 - Posticobia ponderi
 - Posticobia norfolkensis
 
References