Order Chitonida Thiele 1909 (chiton)
Parent taxon: Neoloricata according to Y. Wu and D. E. Lee 2024
See also Vendrasco et al. 2022
Sister taxa: Abyssochitonidae, Afossochiton, Austrochiton, Beloplaxus, Callochitonida, Chaetopleuridae, Chitonina, Crenatolorica, Cryptoplacidae, Cymatochitonina, Elachychiton, Eulachychiton, Euleptochiton, Guildingia, Ischnochitonina, Kindbladochiton, Laculina, Lavenachiton, Lepidopleurida, Lepidopleurina, Lirachiton, Llandeilochiton, Loboarochiton, Mesochiton, Permochiton, Proleptochiton, Protalochiton, Protochiton, Pseudoischnochiton, Trachypleura, Xylochitonidae
Subtaxa: Acanthochitonina Callistoplacidae
Ecology: facultatively mobile epifaunal grazer