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Anabathridae: Amphithalamus (Notoscrobs) triangulus May, 1915 (‘triangular rice-shell’)
Synonym(s): triangulus May, 1916.
Typical shell-length 1.5 mm. Lives in offshore waters. Native. Endemic to southeastern Australia (TAS only).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Truncatelloidea
Family: Anabathridae
Genus: Amphithalamus
Localities for Amphithalamus triangulus
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/no_image.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2018/05/Amphithalamus-triangulus.jpg)