| Nominal Species (n = 61) | Present allocation (n = 58) | Ref. |
|---|---|---|
| Ischnochiton aidae Righi, 1973 | Ischnochiton aidae | 83435 |
| Ischnochiton alascensis Thiele, 1910 | Ischnochiton alascensis | 19 |
| Ischnochiton allyni Ferreira, 1977 | Lepidozona allyni | 19 |
| Lepidozona attuensis Clark, 2000 | Lepidozona attuensis | 2873 |
| Stenoplax bahamensis Kaas & Van Belle, 1987 | Stenoplax bahamensis | 19 |
| Lepidozona balaenophila Schwabe & Sellanes, 2004 | Lepidozona balaenophila | 2873 |
| Lepidozona baxteri Clark, 2000 | Lepidozona baxteri | 2873 |
| Lepidozona beringiana Clark, 2000 | Lepidozona beringiana | 19 |
| Lepidozona beui O'Neill, 1987 | Lepidozona beui | 3477 |
| Bathychiton biondii Dell'Angelo & Palazzi, 1988 | Connexochiton platynomenus | 700 |
| Ischnochiton bisculptus Carpenter, 1892 | Lepidozona bisculpta | 3477 |
| Ischnochiton boninensis Bergenhayn, 1933 | Ischnochiton boninensis | 283 |
| Ischnochiton boogi Haddon, 1886 | Stenoplax boogii | 75097 |
| Ischnochiton boogii Haddon, 1886 | Stenoplax boogii | 3477 |
| Callochiton bouveti Thiele, 1906 | Callochiton bouveti | 83435 |
| Micichiton callisto Clark, 2000 | Micichiton callisto | 2873 |
| Lepidozona christiaensi Van Belle, 1982 | Lepidozona christiaensi | 3477 |
| Connexochiton costatus Sirenko, 2021 | Connexochiton costatus | 3477 |
| Ischnochiton dilatosculptus Kaas, 1982 | Ischnochiton dilatosculptus | 19 |
| Ischnochiton dolii Van Belle & Dell'Angelo, 1998 | Ischnochiton dolii | 2873 |
| Ischnochiton dorsuosus Haddon, 1886 | Ischnochiton dorsuosus | 83435 |
| Ischnochiton floridana Pilsbry, 1892 | Stenoplax floridana | 83435 |
| Ischnochiton gallaecus Carmona-Zalvide, Urgorri & Garcia, 2001 | Ischnochiton gallaecus | 2873 |
| Ischnochiton granulifer Thiele, 1909 | Ischnochiton granulifer | 3477 |
| Ischnochiton hakodadensis Carpenter, 1893 | Ischnochiton hakodadensis | 283 |
| Ischnochiton hartmeyeri Thiele, 1910 | Ischnochiton hartmeyeri | 19 |
| Stenoplax heathiana Berry, 1946 | Stenoplax heathiana | 19 |
| Stenoplax iansa Jardim & Almeida, 2021 | Stenoplax iansa | 3477 |
| Lepidozona ima Sirenko, 1975 | Lepidozona ima | 19 |
| Ischnochiton intermedius Hedley & Hull, 1912 | Ischnochiton intermedius | 3477 |
| Ischnochiton interstinctus Gould, 1846 | Lepidozona interstincta | 75097 |
| Ischnochiton kaasi Ferreira, 1987 | Ischnochiton kaasi | 83435 |
| Ischnochiton kermadecensis Iredale, 1914 | Ischnochiton intermedius | 3204 |
| Connexochiton kermadeci Sirenko, 2021 | Connexochiton kermadeci | 3477 |
| Chiton limaciformis Sowerby I, 1832 | Stenoplax limaciformis | 83435 |
| Ischnochiton lopesi Kaas, 1974 | Ischnochiton lopesi | 83435 |
| Ischnochiton luteoroseus Suter, 1907 | Ischnochiton luteoroseus | 3477 |
| Ischnochiton maorianus Iredale, 1914 | Ischnochiton maorianus | 3477 |
| Ischnochiton marcusi Righi, 1971 | Ischnochiton marcusi | 83435 |
| Ischnochiton mexicanus Kaas, 1993 | Ischnochiton mexicanus | 83435 |
| Ischnochiton newcombi Pilsbry, 1892 | Ischnochiton newcombi | 19 |
| Ischnochiton niveus Ferreira, 1987 | Ischnochiton niveus | 19 |
| Connexochiton platynomenus Kaas, 1979 | Connexochiton platynomenus | 2335 |
| Ischnochiton pseudovirgatus Kaas, 1972 | Ischnochiton pseudovirgatus | 19 |
| Chiton punctulatissimus Sowerby, 1832 | Ischnochiton punctulatissimus | 3477 |
| Chiton puniceus Gould, 1846 | Callochiton puniceus | 83435 |
| Chiton pusio Sowerby, 1832 | Ischnochiton pusio | 3477 |
| Ischnochiton quoyanus Thiele, 1909 | Ischnochiton quoyanus | 2030 |
| Ischnochiton rhodolithophilus Putman MS, Clark, 2000 | Ischnochiton rhodolithophilus | 2873 |
| Connexochiton solomonicus Sirenko, 2021 | Connexochiton solomonicus | 3477 |
| Chiton stramineus Sowerby I, 1832 | Ischnochiton stramineus | 83435 |
| Chiton textilis Gray, 1828 | Ischnochiton textilis | 3477 |
| Ischnochiton tomhalei Clark, 2000 | Ischnochiton tomhalei | 2873 |
| Ischnochiton trifidus Carpenter, 1864 | Lepidozona trifida | 75097 |
| Ischnochiton tsekosi Koukouras & Karachle, 2005 | Ischnochiton tsekosi | 1056 |
| Thermochiton undocostatus Saito & Okutani, 1990 | Thermochiton undocostatus | 8774 |
| Ischnochiton usticensis Dell'Angelo & Castriota, 1999 | Ischnochiton usticensis | 81577 |
| Ischnochiton vanbellei Kaas, 1985 | Stenosemus vanbellei | 1056 |
| Lepidozona vietnamensis Strack, 1991 | Lepidozona vietnamensis | 3477 |
| Chiton viridulus Gould, 1846 | Ischnochiton viridulus | 83435 |
| Chiton yerburyi Smith, 1891 | Ischnochiton yerburyi | 703 |