Capulidae: Sirius badius (Tenison-Woods, 1878) (‘dark cap-shell’)
Synonym(s): badius Tenison-Woods, 1878 meracus Iredale, 1936.
Typical shell-length 4.5 mm. Lives in offshore waters. Native. Endemic to southeastern Australia (NSW, TAS and VIC).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Capuloidea
Family: Capulidae
Genus: Sirius