Naticidae – Naticinae: Tanea sagittata (Menke, 1843) (‘arrowed necklace-shell’)

Synonym(s): sagittata Menke, 1843 cothurnata Iredale, 1936.
Typical shell-length 15 mm. Lives intertidally and subtidally in sand and mud. Native. Occurs all around Australia (QLD, NSW, TAS, VIC, SA, WA and NT); not recorded elsewhere.