Parent taxon: Neoloricata according to R. D. Hoare 2002
Sister taxa: Abyssochitonidae, Afossochiton, Austrochiton, Beloplaxus, Callochitonida, Chaetopleuridae, Chitonida, Chitonina, Crenatolorica, Cryptoplacidae, Elachychiton, Eulachychiton, Euleptochiton, Guildingia, Ischnochitonina, Kindbladochiton, Laculina, Lavenachiton, Lepidopleurida, Lepidopleurina, Lirachiton, Llandeilochiton, Loboarochiton, Mesochiton, Permochiton, Proleptochiton, Protalochiton, Protochiton, Pseudoischnochiton, Trachypleura, Xylochitonidae
Subtaxa: Cymatochitonidae Gryphochitonidae Lekiskochitonidae
Ecology: facultatively mobile epifaunal grazer
Distribution:
• Permian of Japan (1 collection), the Russian Federation (2), the United Kingdom (4), United States (10: Arizona, Nevada, Oregon, Texas)
• Silurian of United States (1: California)
Total: 18 collections including 22 occurrences