Abyssochiton Dell'Angelo & Palazzi, 1989 accepted as Ferreiraella Sirenko, 1988 (additional source)
Callochitonoidea Plate, 1901 (status source)
Chiton albolineatus Broderip & G. B. Sowerby I, 1829 (basis of record)
Chiton barnesii J. E. Gray, 1828 (basis of record)
Chiton goodallii Broderip, 1832 (status source)
Chiton nigrovirescens Blainville, 1825 (status source)
Chiton sulcatus W. Wood, 1814 (status source)
Choriplacidae Ashby, 1928 (status source)
Cryptoplacoidea H. Adams & A. Adams, 1858 (basis of record)
Cyanoplax corteziana (R. N. Clark, 2000) accepted as Lepidochitona corteziana R. N. Clark, 2000 (status source)
Cyanoplax keepiana (S. S. Berry, 1948) (basis of record)
Ferreiraellidae Dell'Angelo & Palazzi, 1991 (status source)
Hanleyella Sirenko, 1973 (status source)
Icoplax Thiele, 1893 (status source)
Icoplax bouveti (Thiele, 1906) (basis of record)
Icoplax gaussi (Thiele, 1908) (basis of record)
Icoplax septemcostata (Bergenhayn, 1933) (basis of record)
Icoplax steinenii (Pfeffer, 1886) (basis of record)
Lepidochitona beanii (P. P. Carpenter, 1857) (basis of record)
Leptochiton rarinota (Jeffreys, 1883) (basis of record)
Lucilina shirleyi Iredale, 1914 (status source)
Nuttallochitonidae Vončina, Schwabe, Sirenko & Sigwart, 2026 (original description)
Plaxiphora integra (Is. Taki, 1953) (additional source)
Plaxiphoroidea Dall, 1889 (status source)
Pycnodontochiton tenuidontus (H. Saito & Okutani, 1990) (basis of record)
Radsia J. E. Gray, 1847 accepted as Chiton Linnaeus, 1758 (status source)
Radsia nigrovirescens (Blainville, 1825) accepted as Chiton nigrovirescens Blainville, 1825 (status source)
Spongioradsia subaleutica Sirenko, 1976 (status source)
Terenochiton bednalli (Torr, 1912) (new combination reference)
Tonicia fremblyana Kaas, 1957 (status source)
Tonicia horniana Rochebrune, 1889 (status source)