Phylum Mollusca Linnaeus, 1758 - molluscs
Subphylum Aculifera Hatschek, 1891
Class Polyplacophora Blainville, 1816 - chitons
Order Neoloricata Bergenhayn, 1955
see Subclass Neoloricata Bergenhayn, 1955
Suborder Ischnochitonina Bergenhayn, 1930
see Suborder Chitonina Thiele, 1909
Family Ischnochitonidae Dall, 1889
Subfamily Callistoplacinae Pilsbry, 1893
see Family Callistoplacidae Pilsbry, 1893