Rissoidae: Onoba (Ovirissoa) perpolita (May, 1919) (‘well-polished rice-shell’)
Synonym(s): perpolita May, 1919.
Typical shell-length 1.8 mm. Lives subtidally and offshore. Native. Endemic to southeastern Australia (TAS only).
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Localities for Onoba perpolita
Flinders Island: Fotheringate Beach: southern end
Flinders Island: Lillies Bay
Granville Harbour: coast to N
Low Head: East Beach
Orford: East Shelly Beach
Pirates Bay: near landing
Pirates Bay (unlocalised)
South Bruny Island: Adventure Bay: Cemetery Bluff
South Bruny Island: Adventure Bay: Grass Point
Taroona: Dixons Beach