Rissoinidae: Rissoina (Rissolina) cretacea (Tenison Woods, 1878) (‘Chalky rice-shell’)
Synonym(s): cretacea Tenison Woods, 1878.
Typical shell-length 6 mm. Lives subtidally amongst rocks and seaweed. Native. Endemic to southeastern Australia (NSW & TAS).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Rissooidea
Family: Rissoinidae
Genus: Rissoina