Rissoidae: Onoba (Subestea) australiae (Frauenfeld, 1867) (‘Australian rice-shell’)

Synonym(s): australiae Frauenfeld, 1867 apicilirata Tate & May, 1900 mixta Tate, 1899 seminodosa May, 1916 ochroleuca Henn & Brazier, 1894.

Typical shell-length 2.4 mm. Lives subtidally and offshore amongst seaweed. Native. Endemic to southeastern Australia (NSW and TAS).