Ischnochitonidae – Ischnochitoninae: Ischnochiton (Heterozona) cariosus Carpenter, 1879 (‘decayed chiton’)

Synonym(s): cariosus Pilsbry, 1892.

Typical shell-length 50 mm. Lives intertidally and subtidally under rocks and stones on sheltered and moderately exposed shores. Native. Endemic to southeastern and southwestern Australia (NSW, TAS, VIC, SA and WA).