Pyramidellidae – Odostomiinae: Odostomia (unplaced) tasmanica (Tenison-Woods, 1876) (‘Tasmanian pyramid-shell’)
Synonym(s): tasmanica Tenison-Woods, 1876.
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