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Molluscs of Tasmania

Rissoinidae: Rissoina (Rissolina) angasii (Pease, 1872) (‘Angas’ rice-shell’)

Synonym(s): angasii Pease, 1872.
Typical shell-length 5.0 mm. Lives subtidally amongst rocks and seaweed. Native. Endemic to southeastern and southwestern Australia (NSW, TAS, VIC, SA and WA). In Tasmanian waters, this is a widespread but uncommon species.


Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Rissooidea
Family: Rissoinidae
Genus: Rissoina

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