![banner3 Molluscs of Tasmania](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/banner3.jpg)
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
Localities for Sirius badius
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/08/Sirius-badius_a.jpg)
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/08/Sirius-badius_b.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2017/08/Sirius-badius.jpg)