Ranellidae – Cymatiinae: Sassia (Austrotriton) epitrema (Tenison-Woods, 1877) (‘epitrema rock-whelk’)
Synonym(s): epitrema Tenison-Woods, 1877.
Typical shell-length 20 mm. Lives subtidally and offshore. Native. Endemic to southeastern Australia (NSW, TAS and VIC).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Tonnoidea
Family: Ranellidae
Subfamily: Cymatiinae
Genus: Sassia