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Molluscs of Tasmania

Trochidae – Stomatellinae: Stomatella impertusa (Burrow, 1815) (‘common ear-shell’)

Synonym(s): impertusa Burrow, 1815 planulata Lamarck, 1827 strigosa A. Adams, 1850.

Typical shell-length 25 mm. Colour-pattern varies. Lives intertidally and subtidally attached to rocks. Native. Occurs all around Australia (QLD, NSW, TAS, VIC, SA, WA and NT – perhaps more than one species involved over this range); not recorded elsewhere. In Tasmanian waters, this species is largely confined to the N coast and the Bass Strait islands, where it is uncommon.


Class: Gastropoda
Subclass: Vetigastropoda
Order: Vetigastropoda
Superfamily: Trochoidea
Family: Trochidae
Subfamily: Stomatellinae
Genus: Stomatella

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