Rissoidae: Onoba (Onoba) demessa (Tate & May, 1900) (‘mown rice-shell’)
Synonym(s): demessa Tate & May, 1900.
Typical shell-length 3.5 mm. Lives subtidally and offshore. Native. Endemic to southeastern Australia (TAS only).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Rissooidea
Family: Rissoidae
Genus: Onoba
