Ischnochiton circumvallatus is a light buff to light green colored species of chiton of the Ischnochitonidae family of the kingdom Animalia.
Coloured light buff to light green on both surfaces, occasionally with reddish brown. Ischnochiton circumvallatus is a common medium-sized species of chiton in the family Ischnochitonidae, endemic to the southern South Island and the Subantarctic Islands of New Zealand where it habits exposed rocky shores down to the low intertidal zone. Kingdom: Animalia 
