Species:
Stenosemus simplicissimus >
Genus:
Stenosemus >
Family:
Ischnochitonidae >
Superfamily:
Chitonoidea >
Suborder:
Chitonina >
Order:
Chitonida >
Subclass:
Neoloricata >
Class:
Polyplacophora >
Phylum:
Mollusca >
Kingdom:
Animalia >
Unranked:
Biota >