Pyramidellidae – Odostomiinae: Odostomia (unplaced) occultidens May, 1915 (‘hidden-toothed pyramid-shell’)
Synonym(s): occultidens May, 1915.
Typical shell-length 2.0 mm. Lives subtidally and offshore as an ectoparasite of other invertebrates. Native. Endemic to southeastern Australia (NSW, TAS and VIC).
Order: Lower Heterobranchia