Parent taxon: Neoloricata according to J.-M. Pacaud and J. Le Renard 1995
Sister taxa: Abyssochitonidae, Acanthochitonina, Afossochiton, Austrochiton, Beloplaxus, Chaetopleuridae, Crenatolorica, Cryptoplacidae, Cymatochitonina, Elachychiton, Eulachychiton, Euleptochiton, Guildingia, Ischnochitonina, Kindbladochiton, Laculina, Lavenachiton, Lepidopleurina, Lirachiton, Llandeilochiton, Loboarochiton, Mesochiton, Permochiton, Proleptochiton, Protalochiton, Protochiton, Pseudoischnochiton, Trachypleura, Xylochitonidae
Subtaxa: Ischnochitonidae
Ecology: facultatively mobile epifaunal grazer
Distribution:
• Quaternary of Mexico (6 collections), United States (34: Alaska, California, Florida)
• Pliocene of Italy (5), United States (1: California)
• Miocene of Japan (1)
• Oligocene of United States (1: Washington)
• Eocene to Oligocene of United States (2: Washington)
• Eocene of Hungary (1), the United Kingdom (1), United States (3: Washington)
• Jurassic of Germany (1), Italy (1)
Total: 57 collections including 131 occurrences