Littorinidae – Lacuninae: Risellopsis mutabilis May, 1909
Synonym(s): mutabilis May, 1909.
Typical shell-length 3.5 mm. Lives intertidally and subtidally. Native. Occurs in southeastern Australia (TAS and perhaps other states).
Classification
Class: Gastropoda
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Littorinoidea
Family: Littorinidae
Subfamily: Lacuninae
Genus: Risellopsis