Parent taxon: Neoloricata according to R. D. Hoare 2002
Sister taxa: Abyssochitonidae, Acanthochitonina, Afossochiton, Austrochiton, Beloplaxus, Chaetopleuridae, Chitonina, Crenatolorica, Cryptoplacidae, Elachychiton, Eulachychiton, Euleptochiton, Guildingia, Ischnochitonina, Kindbladochiton, Laculina, Lavenachiton, Lepidopleurina, Lirachiton, Llandeilochiton, Loboarochiton, Mesochiton, Permochiton, Proleptochiton, Protalochiton, Protochiton, Pseudoischnochiton, Trachypleura, Xylochitonidae
Subtaxa: Cymatochitonidae Gryphochitonidae
Ecology: facultatively mobile epifaunal grazer
Distribution:
• Permian of Japan (1 collection), the United Kingdom (4), United States (9: Arizona, Nevada, Oregon, Texas)
• Silurian of United States (1: California)
Total: 15 collections including 18 occurrences