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Molluscs of Tasmania

Cassidae: Semicassis (Antephalium) adcocki (Sowerby III, 1896) (‘Adcock’s helmet’)

Synonym(s): adcocki Sowerby, 1896.
Typical shell-length 37 mm. Lives in offshore waters. Native. Endemic to southeastern and southwestern Australia (TAS, VIC, SA and WA).


Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Tonnoidea
Family: Cassidae
Subfamily: Cassinae
Genus: Semicassis

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