1. Species Chiton albolineatus Broderip & G. B. Sowerby I, 1829
2. Species Chiton articulatus G. B. Sowerby I, 1832
3. Species Chiton barnesii J. E. Gray, 1828
4. Species Chiton capriarum Scacchi, 1836
5. Species Chiton ceylanicus E. A. Smith, 1904
6. Species Chiton connectens Thiele, 1909
7. Species Chiton cretaceus C. T. Berry, 1939 †
8. Species Chiton cumingsii Frembly, 1827
9. Species Chiton deperditus R. A. Philippi, 1887 †
10. Species Chiton glaucus J. E. Gray, 1828
11. Species Chiton granoradiatus Leloup, 1937
12. Species Chiton granosus Frembly, 1827
13. Species Chiton groschi Kaas, 1979
14. Species Chiton kaasi (Leloup, 1981)
15. Species Chiton laterorugosus Kaas, 1986
16. Species Chiton magnificus Deshayes, 1827
17. Species Chiton marmoratus Gmelin, 1791
18. Species Chiton marquesanus Pilsbry, 1893
19. Species Chiton squamosus Linnaeus, 1764
20. Species Chiton stokesii Broderip, 1832
21. Species Chiton tuberculatus Linnaeus, 1758
22. Species Chiton vetustus R. A. Philippi, 1887 †
23. Species Chiton virgulatus G. B. Sowerby II, 1840
24. Species Chiton viridis Spengler, 1797
25. Subgenus Chiton (Acanthochaetes) [sic] accepted as Chiton (Acanthochites) Risso, 1826 accepted as Acanthochitona J. E. Gray, 1821 (misspelling)
    1. Species Chiton (Acanthochaetes) achates A. Gould, 1859 accepted as Chiton (Acanthochites) achates A. Gould, 1859 accepted as Acanthochitona achates (A. Gould, 1859) (unaccepted > superseded combination)
26. Subgenus Chiton (Acanthochites) Risso, 1826 accepted as Acanthochitona J. E. Gray, 1821 (synonym)
    1. Species Chiton (Acanthochites) achates A. Gould, 1859 accepted as Acanthochitona achates (A. Gould, 1859)
27. Subgenus Chiton (Acanthochiton) Herrmannsen, 1846 accepted as Acanthochitona J. E. Gray, 1821 (unaccepted > superseded rank)
    1. Species Chiton (Acanthochiton) asbestoides E. A. Smith, 1884 accepted as Acanthochitona sueurii (Blainville, 1825)
    2. Species Chiton (Acanthochiton) spiculosus Reeve, 1847 accepted as Acanthochitona spiculosa (Reeve, 1847) (unaccepted > superseded combination)
28. Subgenus Chiton (Acanthopleura) Guilding, 1830 accepted as Acanthopleura Guilding, 1830
    1. Species Chiton (Acanthopleura) blauneri Shuttleworth, 1856 accepted as Acanthopleura granulata (Gmelin, 1791) (junior subjective synonym)
    2. Species Chiton (Acanthopleura) mucronulatus Shuttleworth, 1853 accepted as Acanthopleura granulata (Gmelin, 1791) (junior subjective synonym)
    3. Species Chiton (Acanthopleura) piceolus Shuttleworth, 1853 accepted as Lepidochitona (Lepidochitona) piceola (Shuttleworth, 1853) represented as Lepidochitona piceola (Shuttleworth, 1853) (original combination)
29. Subgenus Chiton (Ametrogephyrus) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818 (a junior synonym)
30. Subgenus Chiton (Anthochiton) Thiele, 1893 accepted as Rhyssoplax Thiele, 1893
    1. Species Chiton (Anthochiton) asbestoides E. A. Smith, 1884 accepted as Acanthochitona sueurii (Blainville, 1825)
    2. Species Chiton (Anthochiton) tricostalis Pilsbry, 1894 accepted as Chiton (Rhyssoplax) tricostalis Pilsbry, 1894 accepted as Rhyssoplax tricostalis (Pilsbry, 1894)
31. Subgenus Chiton (Aulacochiton) Shuttleworth, 1853 accepted as Lorica H. Adams & A. Adams, 1852
32. Subgenus Chiton (Callistochiton) P. P. Carpenter, 1879 accepted as Callistochiton P. P. Carpenter, 1879 (superseded combination)
    1. Species Chiton (Callistochiton) adenensis E. A. Smith, 1891 accepted as Callistochiton adenensis (E. A. Smith, 1891) (original combination)
    2. Species Chiton (Callistochiton) coppingeri E. A. Smith, 1884 accepted as Ischnochiton (Heterozona) fruticosus (A. Gould, 1846) represented as Ischnochiton fruticosus (A. Gould, 1846)
33. Subgenus Chiton (Chaetopleura) Shuttleworth, 1853 accepted as Chaetopleura (Chaetopleura) Shuttleworth, 1853 represented as Chaetopleura Shuttleworth, 1853 (original combination)
    1. Species Chiton (Chaetopleura) asper Shuttleworth, 1856 accepted as Calloplax janeirensis (J. E. Gray, 1828) (junior subjective synonym)
    2. Species Chiton (Chaetopleura) candisatus Shuttleworth, 1856 accepted as Chaetopleura apiculata (Say, 1834) (junior subjective synonym)
    3. Species Chiton (Chaetopleura) plumosus A. Gould, 1859 accepted as Plaxiphora caelata (Reeve, 1847) (junior subjective synonym)
    4. Species Chiton (Chaetopleura) vespertinus A. Gould, 1852 accepted as Mopalia vespertina (A. Gould, 1852) (unaccepted > superseded combination)
34. Subgenus Chiton (Chitonellus) Lamarck, 1819 accepted as Cryptoplax Blainville, 1818
    1. Species Chiton (Chitonellus) burrowi E. A. Smith, 1884 accepted as Cryptoplax burrowi (E. A. Smith, 1884) (original combination)
35. Subgenus Chiton (Clathropleura) Tiberi, 1877 accepted as Chiton (Rhyssoplax) Thiele, 1893 accepted as Rhyssoplax Thiele, 1893 (synonym)
    1. Species Chiton (Clathropleura) bellulus Thiele, 1909 accepted as Chiton (Rhyssoplax) coxi Pilsbry, 1894 accepted as Rhyssoplax coxi (Pilsbry, 1894)
    2. Species Chiton (Clathropleura) bocki Bergenhayn, 1933 accepted as Chiton (Rhyssoplax) kurodai Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax kurodai (Is. Taki & Iw. Taki, 1929)
    3. Species Chiton (Clathropleura) pacificus Thiele, 1909 accepted as Rhyssoplax perviridis (P. P. Carpenter, 1865) (junior subjective synonym)
    4. Species Chiton (Clathropleura) peregrinus Thiele, 1909 accepted as Chiton (Rhyssoplax) peregrinus Thiele, 1909 accepted as Rhyssoplax peregrina (Thiele, 1909) (superseded combination)
    5. Species Chiton (Clathropleura) platei Thiele, 1909 accepted as Chiton (Tegulaplax) hululensis (E. A. Smith, 1903) accepted as Tegulaplax hululensis (E. A. Smith, 1903) (unaccepted > junior subjective synonym)
    6. Species Chiton (Clathropleura) rueppelli Thiele, 1909 accepted as Chiton (Rhyssoplax) maldivensis (E. A. Smith, 1903) accepted as Rhyssoplax maldivensis (E. A. Smith, 1903)
36. Subgenus Chiton (Craspedochiton) Shuttleworth, 1853 accepted as Craspedochiton Shuttleworth, 1853 (original rank)
37. Subgenus Chiton (Cryptochiton) Middendorff, 1847 accepted as Cryptochiton Middendorff, 1847 (original rank)
    1. Species Chiton (Cryptochiton) stelleri Middendorff, 1847 accepted as Cryptochiton stelleri (Middendorff, 1847) (original combination)
38. Subgenus Chiton (Cryptoplax) Blainville, 1818 accepted as Cryptoplax Blainville, 1818 (original combination)
39. Subgenus Chiton (Dichachiton) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818 (a junior synonym)
40. Subgenus Chiton (Eudoxochiton) Shuttleworth, 1853 accepted as Eudoxochiton Shuttleworth, 1853 (original combination)
41. Subgenus Chiton (Hamachiton) Middendorff, 1847 accepted as Acanthochitona J. E. Gray, 1821 (a junior synonym)
42. Subgenus Chiton (Hanleya) J. E. Gray, 1857 accepted as Hanleya J. E. Gray, 1857 (unaccepted > superseded rank)
    1. Species Chiton (Hanleya) sykesi G. B. Sowerby III, 1903 accepted as Leptochiton sykesi (G. B. Sowerby III, 1903) (original combination)
43. Subgenus Chiton (Helminthochiton) Salter, 1846 † accepted as Helminthochiton Salter, 1846 † (unaccepted > superseded combination)
    1. Species Chiton (Helminthochiton) griffithi (Salter, 1846) † accepted as Helminthochiton griffithii Salter, 1846 † (unaccepted > superseded combination)
44. Subgenus Chiton (Ischnochiton) J. E. Gray, 1847 accepted as Ischnochiton J. E. Gray, 1847 (unaccepted > superseded rank)
    1. Species Chiton (Ischnochiton) caribbaeorum E. A. Smith, 1890 accepted as Ischnochiton striolatus (J. E. Gray, 1828) (unaccepted > junior subjective synonym)
    2. Species Chiton (Ischnochiton) curtisianus E. A. Smith, 1884 accepted as Squamopleura curtisiana (E. A. Smith, 1884) (original combination)
    3. Species Chiton (Ischnochiton) imitator E. A. Smith, 1881 accepted as Ischnochiton stramineus (G. B. Sowerby I, 1832) (synonym)
    4. Species Chiton (Ischnochiton) lateritius Shuttleworth, 1853 accepted as Ischnochiton erythronotus (C. B. Adams, 1845) (junior subjective synonym)
    5. Species Chiton (Ischnochiton) lutulatus Shuttleworth, 1853 accepted as Ischnochiton striolatus (J. E. Gray, 1828)
    6. Species Chiton (Ischnochiton) yerburyi E. A. Smith, 1891 accepted as Ischnochiton (Ischnochiton) yerburyi (E. A. Smith, 1891) represented as Ischnochiton yerburyi (E. A. Smith, 1891) (basionym)
45. Subgenus Chiton (Ischnoradsia) Shuttleworth, 1853 accepted as Ischnochiton (Ischnoradsia) Shuttleworth, 1853 represented as Ischnochiton J. E. Gray, 1847 (original combination)
46. Subgenus Chiton (Lepidopleura) accepted as Lepidopleurus Risso, 1826
    1. Species Chiton (Lepidopleura) lepidus A. Gould, 1859 accepted as Lepidozona luzonica (G. B. Sowerby II, 1842) (unaccepted > junior subjective synonym)
47. Subgenus Chiton (Lepidopleurus) Risso, 1826 accepted as Lepidopleurus Risso, 1826
    1. Species Chiton (Lepidopleurus) albrechtii (Schrenck, 1863) accepted as Tripoplax albrechtii (Schrenck, 1863) (unaccepted > superseded combination)
48. Subgenus Chiton (Leptochiton) J. E. Gray, 1847 accepted as Leptochiton J. E. Gray, 1847 (unaccepted > superseded rank)
    1. Species Chiton (Leptochiton) comptus A. Gould, 1859 accepted as Ischnochiton (Haploplax) comptus (A. Gould, 1859) represented as Ischnochiton comptus (A. Gould, 1859) (original combination)
    2. Species Chiton (Leptochiton) concinnus A. Gould, 1859 accepted as Leptochiton hakodatensis (Thiele, 1909) (invalid: junior homonym of Chiton concinnus G. B. Sowerby, 1840: Lepidopleurus hakodatensis THiele, 1909 is a replacement name)
    3. Species Chiton (Leptochiton) craticulatus A. Gould, 1859 accepted as Lepidozona craticulata (A. Gould, 1859) (superseded combination)
    4. Species Chiton (Leptochiton) jacobaeus A. Gould, 1859 accepted as Callistochiton jacobaeus (A. Gould, 1859) (superseded combination)
49. Subgenus Chiton (Lophyrus) Poli, 1791 accepted as Chiton Linnaeus, 1758 (synonym)
    1. Species Chiton (Lophyrus) gemmulatus Shuttleworth, 1853 accepted as Chiton viridis Spengler, 1797 (junior subjective synonym)
    2. Species Chiton (Lophyrus) jugosus A. Gould, 1846 accepted as Rhyssoplax jugosa (A. Gould, 1846) (superseded combination)
    3. Species Chiton (Lophyrus) lugubris A. Gould, 1859 accepted as Chiton lugubris A. Gould, 1859 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840) represented as Ischnochiton australis (G. B. Sowerby II, 1840) (unaccepted > junior subjective synonym)
    4. Species Chiton (Lophyrus) perviridis P. P. Carpenter, 1865 accepted as Rhyssoplax perviridis (P. P. Carpenter, 1865) (basionym)
50. Subgenus Chiton (Mopalia) Gray, 1847 accepted as Mopalia Gray, 1847
    1. Species Chiton (Mopalia) stimpsoni A. Gould, 1859 accepted as Placiphorella stimpsoni (A. Gould, 1859) (original combination)
51. Subgenus Chiton (Mucrosquama) Iredale & Hull, 1926 accepted as Mucrosquama Iredale & Hull, 1926
    1. Species Chiton (Mucrosquama) carnosus Angas, 1867 accepted as Mucrosquama carnosa (Angas, 1867)
    2. Species Chiton (Mucrosquama) particolor (Hull, 1923) accepted as Mucrosquama particolor (Hull, 1923) (unaccepted > superseded combination)
    3. Species Chiton (Mucrosquama) verconis Torr & Ashby, 1898 accepted as Mucrosquama verconis (Torr & Ashby, 1898)
52. Subgenus Chiton (Nuttallina) Dall, 1871 accepted as Nuttallina Dall, 1871 (unaccepted > superseded rank)
    1. Species Chiton (Nutallina) caprearum Scacchi, 1836 accepted as Lepidochitona caprearum (Scacchi, 1836) (superseded combination)
53. Subgenus Chiton (Onithochiton) J. E. Gray, 1847 accepted as Onithochiton J. E. Gray, 1847 (unaccepted > superseded rank)
    1. Species Chiton (Onithochiton) amicorum Baird, 1873 accepted as Onithochiton amicorum (Baird, 1873) (basionym)
54. Subgenus Chiton (Phaenochiton) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818 (objective synonym)
55. Subgenus Chiton (Platysemus) Middendorff, 1847 accepted as Acanthochitona J. E. Gray, 1821 (synonym)
    1. Species Chiton (Platysemus) submarmoreus Middendorff, 1847 accepted as Tonicella submarmorea (Middendorff, 1847) (original combination)
56. Subgenus Chiton (Plaxiphora) J. E. Gray, 1847 accepted as Plaxiphora J. E. Gray, 1847 (unaccepted > superseded rank)
    1. Species Chiton (Plaxiphora) terminalis E. A. Smith, 1874 accepted as Plaxiphora caelata (Reeve, 1847) (junior subjective synonym)
57. Subgenus Chiton (Radsia) Gray, 1847 accepted as Radsia J. E. Gray, 1847
    1. Species Chiton (Radsia) chierchiae Nierstrasz, 1906 accepted as Chiton goodallii Broderip, 1832 accepted as Radsia goodallii (Broderip, 1832)
58. Subgenus Chiton (Rhyssoplax) Thiele, 1893 accepted as Rhyssoplax Thiele, 1893
    1. Species Chiton (Rhyssoplax) aereus Reeve, 1847 accepted as Rhyssoplax aerea (Reeve, 1847)
    2. Species Chiton (Rhyssoplax) affinis Issel, 1869 accepted as Rhyssoplax affinis (Issel, 1869)
    3. Species Chiton (Rhyssoplax) baliensis (Bullock, 1989) accepted as Rhyssoplax baliensis Bullock, 1989
    4. Species Chiton (Rhyssoplax) barnardi Ashby, 1931 accepted as Rhyssoplax barnardi (Ashby, 1931)
    5. Species Chiton (Rhyssoplax) bednalli Pilsbry, 1895 accepted as Rhyssoplax bednalli (Pilsbry, 1895)
    6. Species Chiton (Rhyssoplax) bullocki (Sirenko, 2012) accepted as Rhyssoplax bullocki Sirenko, 2012
    7. Species Chiton (Rhyssoplax) burmanus P. P. Carpenter, 1893 accepted as Rhyssoplax burmana (P. P. Carpenter, 1893)
    8. Species Chiton (Rhyssoplax) calliozonus Pilsbry, 1894 accepted as Rhyssoplax calliozona (Pilsbry, 1894) (superseded combination)
    9. Species Chiton (Rhyssoplax) canaliculatus Quoy & Gaimard, 1835 accepted as Rhyssoplax canaliculata (Quoy & Gaimard, 1835) (superseded combination)
    10. Species Chiton (Rhyssoplax) canariensis A. d'Orbigny, 1840 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
    11. Species Chiton (Rhyssoplax) corallinus (Risso, 1826) accepted as Rhyssoplax corallina (Risso, 1826)
    12. Species Chiton (Rhyssoplax) corypheus Hedley & Hull, 1912 accepted as Rhyssoplax coryphea (Hedley & Hull, 1912)
    13. Species Chiton (Rhyssoplax) coxi Pilsbry, 1894 accepted as Rhyssoplax coxi (Pilsbry, 1894)
    14. Species Chiton (Rhyssoplax) crawfordi Sykes, 1899 accepted as Rhyssoplax crawfordi (Sykes, 1899)
    15. Species Chiton (Rhyssoplax) densiliratus P. P. Carpenter, 1893 accepted as Rhyssoplax densilirata (P. P. Carpenter, 1893)
    16. Species Chiton (Rhyssoplax) diaphorus (Iredale & May, 1916) accepted as Rhyssoplax diaphora Iredale & May, 1916
    17. Species Chiton (Rhyssoplax) discolor Souverbie, 1866 accepted as Rhyssoplax discolor (Souverbie, 1866) (unaccepted > superseded combination)
    18. Species Chiton (Rhyssoplax) ectypus (Rochebrune, 1884) accepted as Rhyssoplax ectypa (Rochebrune, 1884)
    19. Species Chiton (Rhyssoplax) exasperatus (Iredale, 1914) accepted as Rhyssoplax exasperata Iredale, 1914 (superseded combination)
    20. Species Chiton (Rhyssoplax) excellens (Iredale & Hull, 1926) accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
    21. Species Chiton (Rhyssoplax) exoptandus Bednall, 1897 accepted as Rhyssoplax exoptanda (Bednall, 1897)
    22. Species Chiton (Rhyssoplax) fosteri Bullock, 1972 accepted as Rhyssoplax fosteri (Bullock, 1972)
    23. Species Chiton (Rhyssoplax) funereus Hedley & Hull, 1912 accepted as Rhyssoplax funerea (Hedley & Hull, 1912)
    24. Species Chiton (Rhyssoplax) heterodon (Pilsbry, 1893) accepted as Rhyssoplax heterodon (Pilsbry, 1893)
    25. Species Chiton (Rhyssoplax) jugosus A. Gould, 1846 accepted as Rhyssoplax jugosa (A. Gould, 1846) (superseded combination)
    26. Species Chiton (Rhyssoplax) kimberi Ashby, 1928 accepted as Rhyssoplax kimberi (Ashby, 1928)
    27. Species Chiton (Rhyssoplax) komaianus Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax komaiana (Is. Taki & Iw. Taki, 1929)
    28. Species Chiton (Rhyssoplax) kurodai Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax kurodai (Is. Taki & Iw. Taki, 1929) (unaccepted > superseded combination)
    29. Species Chiton (Rhyssoplax) linsleyi (Burghardt, 1973) accepted as Rhyssoplax linsleyi Burghardt, 1973
    30. Species Chiton (Rhyssoplax) maldivensis (E. A. Smith, 1903) accepted as Rhyssoplax maldivensis (E. A. Smith, 1903)
    31. Species Chiton (Rhyssoplax) mauritianus Quoy & Gaimard, 1835 accepted as Rhyssoplax mauritiana (Quoy & Gaimard, 1835)
    32. Species Chiton (Rhyssoplax) olivaceus Spengler, 1797 accepted as Rhyssoplax olivacea (Spengler, 1797)
    33. Species Chiton (Rhyssoplax) oruktus Maughan, 1900 accepted as Rhyssoplax orukta (Maughan, 1900)
    34. Species Chiton (Rhyssoplax) peregrinus Thiele, 1909 accepted as Rhyssoplax peregrina (Thiele, 1909)
    35. Species Chiton (Rhyssoplax) perviridis P. P. Carpenter, 1865 accepted as Rhyssoplax perviridis (P. P. Carpenter, 1865)
    36. Species Chiton (Rhyssoplax) phaseolinus Monterosato, 1879 accepted as Rhyssoplax phaseolina (Monterosato, 1879)
    37. Species Chiton (Rhyssoplax) politus Spengler, 1797 accepted as Rhyssoplax polita (Spengler, 1797)
    38. Species Chiton (Rhyssoplax) pulcherrimus G. B. Sowerby II, 1842 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
    39. Species Chiton (Rhyssoplax) pulvinatus P. P. Carpenter, 1893 accepted as Rhyssoplax pulvinata (P. P. Carpenter, 1893)
    40. Species Chiton (Rhyssoplax) rapaitiensis Schwabe & Lozouet, 2006 accepted as Rhyssoplax rapaitiensis (Schwabe & Lozouet, 2006)
    41. Species Chiton (Rhyssoplax) rhynchotus (Rochebrune, 1884) accepted as Rhyssoplax rhynchota (Rochebrune, 1884)
    42. Species Chiton (Rhyssoplax) salihafui Bullock, 1972 accepted as Rhyssoplax salihafui (Bullock, 1972)
    43. Species Chiton (Rhyssoplax) speciosus Nierstrasz, 1905 accepted as Rhyssoplax speciosa (Nierstrasz, 1905)
    44. Species Chiton (Rhyssoplax) stangeri Reeve, 1847 accepted as Rhyssoplax stangeri (Reeve, 1847) (superseded combination)
    45. Species Chiton (Rhyssoplax) subassimilis Souverbie, 1866 accepted as Rhyssoplax subassimilis (Souverbie, 1866)
    46. Species Chiton (Rhyssoplax) tectiformis (Is. Taki, 1938) accepted as Rhyssoplax tectiformis Is. Taki, 1938
    47. Species Chiton (Rhyssoplax) torrianus Hedley & Hull, 1910 accepted as Rhyssoplax torriana (Hedley & Hull, 1910)
    48. Species Chiton (Rhyssoplax) translucens Hedley & Hull, 1909 accepted as Rhyssoplax translucens (Hedley & Hull, 1912)
    49. Species Chiton (Rhyssoplax) tricostalis Pilsbry, 1894 accepted as Rhyssoplax tricostalis (Pilsbry, 1894)
    50. Species Chiton (Rhyssoplax) tulipa Quoy & Gaimard, 1835 accepted as Rhyssoplax polita (Spengler, 1797)
    51. Species Chiton (Rhyssoplax) vauclusensis Hedley & Hull, 1909 accepted as Rhyssoplax vauclusensis (Hedley & Hull, 1912) (superseded combination)
    52. Species Chiton (Rhyssoplax) venustus (Hull, 1923) accepted as Rhyssoplax venusta Hull, 1923
    53. Species Chiton (Rhyssoplax) whitleyi (Iredale & Hull, 1932) accepted as Rhyssoplax whitleyi Iredale & Hull, 1932
59. Subgenus Chiton (Sclerochiton) Dall, 1882 accepted as Chiton Linnaeus, 1758 (invalid: junior homonym of Sclerochiton Kraatz, 1859 [Coleoptera])
    1. Species Chiton (Sclerochiton) miles Pilsbry, 1893 accepted as Squamopleura miles (Pilsbry, 1893) (unaccepted > superseded combination, original combination)
60. Subgenus Chiton (Stenosemus) Middendorff, 1847 accepted as Stenosemus Middendorff, 1847 (unaccepted > superseded rank)
    1. Species Chiton (Stenosemus) lineatus W. Wood, 1815 accepted as Tonicella lineata (W. Wood, 1815)
61. Subgenus Chiton (Symmetrogephyrus) Middendorff, 1847 accepted as Amicula J. E. Gray, 1847 (unaccepted > junior subjective synonym)
62. Subgenus Chiton (Sypharochiton) Thiele, 1893 accepted as Sypharochiton Thiele, 1893
    1. Species Chiton (Sypharochiton) nigrovirens [sic] accepted as Radsia nigrovirescens (Blainville, 1825)
63. Subgenus Chiton (Tegulaplax) Iredale & Hull, 1926 accepted as Tegulaplax Iredale & Hull, 1926
    1. Species Chiton (Tegulaplax) boucheti Kaas, 1989 accepted as Tegulaplax boucheti (Kaas, 1989) (basionym)
    2. Species Chiton (Tegulaplax) hululensis (E. A. Smith, 1903) accepted as Tegulaplax hululensis (E. A. Smith, 1903)
    3. Species Chiton (Tegulaplax) pulcher (Kaas, 1991) accepted as Tegulaplax pulchra Kaas, 1991
    4. Species Chiton (Tegulaplax) pulchrus [sic] accepted as Tegulaplax pulchra Kaas, 1991 (misspelling)
64. Subgenus Chiton (Tonicia) Gray, 1840 accepted as Tonicia Gray, 1840
    1. Species Chiton (Tonicia) schrammi Shuttleworth, 1856 accepted as Tonicia schrammi (Shuttleworth, 1856) (original combination)
65. Species Chiton abyssorum G. O. Sars, 1878 accepted as Hanleya hanleyi (W. Bean, 1844)
66. Species Chiton achatinus T. Brown, 1827 accepted as Callochiton septemvalvis (Montagu, 1803) (synonym)
67. Species Chiton aculeatus Quoy & Gaimard, 1835 accepted as Cryptoplax larvaeformis (Burrow, 1815) (junior subjective synonym)
68. Species Chiton acutiliratus Reeve, 1847 accepted as Ischnoplax pectinata (G. B. Sowerby II, 1840)
69. Species Chiton acutirostratus Reeve, 1847 accepted as Notoplax acutirostrata (Reeve, 1847) (original combination)
70. Species Chiton acutus P. P. Carpenter, 1856 accepted as Mopalia acuta (P. P. Carpenter, 1856) (original combination)
71. Species Chiton adelaidensis Reeve, 1847 accepted as Ischnochiton (Haploplax) adelaidensis (Reeve, 1847) represented as Ischnochiton adelaidensis (Reeve, 1847) (unaccepted > superseded combination)
72. Species Chiton aereus Reeve, 1847 accepted as Chiton (Rhyssoplax) aereus Reeve, 1847 accepted as Rhyssoplax aerea (Reeve, 1847) (superseded combination)
73. Species Chiton affinis Issel, 1869 accepted as Rhyssoplax affinis (Issel, 1869) (original combination)
74. Species Chiton alatus G. B. Sowerby II, 1841 accepted as Stenoplax (Stenoplax) alata (G. B. Sowerby II, 1841) represented as Stenoplax alata (G. B. Sowerby II, 1841) (original combination)
75. Species Chiton albidus Blainville, 1825 accepted as Plaxiphora (Plaxiphora) albida (Blainville, 1825) represented as Plaxiphora albida (Blainville, 1825) (original combination)
76. Species Chiton albrechtii Schrenck, 1863 accepted as Tripoplax albrechtii (Schrenck, 1863) (original combination)
77. Species Chiton albus sensu Barbut, 1788 not Linnaeus, 1767 accepted as Dinoplax gigas (Gmelin, 1791)
78. Species Chiton albus Linnaeus, 1767 accepted as Stenosemus albus (Linnaeus, 1767) (original combination)
79. Species Chiton algesirensis Capellini, 1859 accepted as Leptochiton algesirensis (Capellini, 1859) (original combination)
80. Species Chiton altavillensis G. Seguenza, 1876 † accepted as Craspedochiton altavillensis (G. Seguenza, 1876) † (unaccepted > superseded combination)
81. Species Chiton alveolus Lovén, 1846 accepted as Belknapchiton alveolus (Lovén, 1846) (unaccepted > superseded combination, original combination)
82. Species Chiton amiculatus Pallas, 1788 accepted as Amicula amiculata (Pallas, 1788) (original combination)
83. Species Chiton angulatus Spengler, 1797 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797) represented as Chaetopleura angulata (Spengler, 1797) (original combination)
84. Species Chiton angusticostatus Quoy & Gaimard, 1835 accepted as Chiton mauritianus Quoy & Gaimard, 1835 accepted as Rhyssoplax mauritiana (Quoy & Gaimard, 1835)
85. Species Chiton angustus Clessin, 1904 accepted as Stenoplax limaciformis (G. B. Sowerby I, 1832)
86. Species Chiton antiquus Reeve, 1847 accepted as Callistochiton antiquus (Reeve, 1847) (original combination)
87. Species Chiton aorangi Creese & O'Neill, 1987 accepted as Sypharochiton aorangi (Creese & O'Neill, 1987) (superseded combination)
88. Species Chiton apiculatus Say, 1834 accepted as Chaetopleura (Chaetopleura) apiculata (Say, 1834) represented as Chaetopleura apiculata (Say, 1834) (original combination)
89. Species Chiton apparata Angas, 1867 accepted as Calloplax janeirensis (J. E. Gray, 1828)
90. Species Chiton aquatilis Reeve, 1847 accepted as Chiton glaucus J. E. Gray, 1828 (junior subjective synonym)
91. Species Chiton arbutum Reeve, 1847 accepted as Ischnochiton (Haploplax) arbutum (Reeve, 1847) represented as Ischnochiton arbutum (Reeve, 1847) (original combination)
92. Species Chiton arcticus (G. O. Sars, 1878) accepted as Leptochiton arcticus (G. O. Sars, 1878) (unaccepted > superseded combination)
93. Species Chiton argyrostictus R. A. Philippi, 1845 accepted as Tonicia argyrosticta (R. A. Philippi, 1845) accepted as Tonicia lebruni Rochebrune, 1884 (unaccepted > superseded combination)
94. Species Chiton aselloides R. T. Lowe, 1825 accepted as Stenosemus albus (Linnaeus, 1767) (unaccepted > junior subjective synonym)
95. Species Chiton asellus Gmelin, 1791 accepted as Leptochiton asellus (Gmelin, 1791) (original combination)
96. Species Chiton ashbyi Barnard, 1963 accepted as Callistochiton ashbyi (Barnard, 1963) (original combination)
97. Species Chiton asperrimus A. Gould, 1852 accepted as Chaetopleura (Chaetopleura) asperrima (A. Gould, 1852) represented as Chaetopleura asperrima (A. Gould, 1852) (unaccepted > superseded combination)
98. Species Chiton assimilis Reeve, 1847 accepted as Chiton tuberculatus Linnaeus, 1758
99. Species Chiton astriger Reeve, 1847 accepted as Acanthochitona astrigera (Reeve, 1847) (original combination)
100. Species Chiton atratus G. B. Sowerby II, 1839 accepted as Tonicia atrata (G. B. Sowerby II, 1839) accepted as Tonicia chilensis (Frembly, 1827) (original combination)
101. Species Chiton auratus Spalowsky, 1795 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795) represented as Plaxiphora aurata (Spalowsky, 1795) (superseded combination)
102. Species Chiton aureomaculatus Bednall & E. H. Matthews, 1906 accepted as Chiton (Rhyssoplax) tricostalis Pilsbry, 1894 accepted as Rhyssoplax tricostalis (Pilsbry, 1894)
103. Species Chiton aureus [sic] accepted as Plaxiphora aurata (Spalowsky, 1795) (misspelling of original species name, Chiton auratus Spalowsky, 1795)
104. Species Chiton australis G. B. Sowerby II, 1833 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840) represented as Ischnochiton australis (G. B. Sowerby II, 1840) (superseded combination)
105. Species Chiton baliensis (Bullock, 1989) accepted as Rhyssoplax baliensis Bullock, 1989
106. Species Chiton barnardi Ashby, 1931 accepted as Rhyssoplax barnardi (Ashby, 1931)
107. Species Chiton baylei Briart & Cornet, 1887 † accepted as Incisiochiton baylei (Briart & Cornet, 1887) † (unaccepted > superseded combination)
108. Species Chiton bednalli Pilsbry, 1895 accepted as Rhyssoplax bednalli (Pilsbry, 1895) (original combination)
109. Species Chiton bergoti Vélain, 1877 accepted as Ischnochiton (Ischnochiton) bergoti (Vélain, 1877) represented as Ischnochiton bergoti (Vélain, 1877) (original combination)
110. Species Chiton bicolor Spengler, 1797 accepted as Callochiton dentatus (Spengler, 1797)
111. Species Chiton bicostatus A. d'Orbigny, 1841 accepted as Callistochiton pulchellus (Gray, 1828)
112. Species Chiton bipunctatus Fischer von Waldheim, 1807 accepted as Chiton squamosus Linnaeus, 1764
113. Species Chiton bipunctatus G. B. Sowerby I, 1832 accepted as Cyanoplax beanii (P. P. Carpenter, 1857) (unaccepted > junior homonym, invalid: not Fischer von Waldheim, 1807)
114. Species Chiton biramosus Quoy & Gaimard, 1835 accepted as Plaxiphora (Plaxiphora) biramosa (Quoy & Gaimard, 1835) represented as Plaxiphora biramosa (Quoy & Gaimard, 1835) (superseded combination)
115. Species Chiton bistriatus W. Wood, 1815 accepted as Chiton tuberculatus Linnaeus, 1758 (junior subjective synonym)
116. Species Chiton blainvillii Broderip, 1832 accepted as Placiphorella blainvillii (Broderip, 1832) (unaccepted > superseded combination)
117. Species Chiton borbonicus Deshayes, 1863 accepted as Acanthopleura brevispinosa (G. B. Sowerby II, 1840) accepted as Acanthopleura testudo (Spengler, 1797)
118. Species Chiton boucheti Kaas, 1989 accepted as Tegulaplax boucheti (Kaas, 1989) (original combination)
119. Species Chiton bowenii P. P. King, 1832 accepted as Chiton magnificus Deshayes, 1827
120. Species Chiton brandtii Middendorff, 1847 accepted as Schizoplax brandtii (Middendorff, 1847) (original combination)
121. Species Chiton brevispinosus G. B. Sowerby II, 1840 accepted as Acanthopleura testudo (Spengler, 1797) (unaccepted > junior subjective synonym, original combination)
122. Species Chiton bruguieri Potiez & Michaud, 1838 accepted as Tonicia chilensis (Frembly, 1827)
123. Species Chiton bullocki (Sirenko, 2012) accepted as Rhyssoplax bullocki Sirenko, 2012
124. Species Chiton burmanus P. P. Carpenter, 1893 accepted as Rhyssoplax burmana (P. P. Carpenter, 1893) (original combination)
125. Species Chiton caelatus Reeve, 1847 accepted as Plaxiphora (Plaxiphora) caelata (Reeve, 1847) represented as Plaxiphora caelata (Reeve, 1847) (superseded combination)
126. Species Chiton cajetanus Poli, 1791 accepted as Lepidopleurus cajetanus (Poli, 1791) (original combination)
127. Species Chiton californicus Reeve, 1847 accepted as Nuttallina californica (Reeve, 1847) (original combination)
128. Species Chiton californicus Prescott, 1864 accepted as Cryptochiton stelleri (Middendorff, 1847) (unaccepted > junior homonym, a junior homonym of Chiton californicus Reeve, 1847)
129. Species Chiton caliginosus Reeve, 1847 accepted as Ischnochiton (Haploplax) caliginosus (Reeve, 1847) represented as Ischnochiton caliginosus (Reeve, 1847) (original combination)
130. Species Chiton calliozonus Pilsbry, 1894 accepted as Rhyssoplax calliozona (Pilsbry, 1894) (superseded combination)
131. Species Chiton canaliculatus Quoy & Gaimard, 1835 accepted as Rhyssoplax canaliculata (Quoy & Gaimard, 1835) (superseded combination)
132. Species Chiton canariensis A. d'Orbigny, 1840 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
133. Species Chiton cancellatus G. B. Sowerby II, 1840 accepted as Leptochiton cancellatus (G. B. Sowerby II, 1840) (original combination)
134. Species Chiton capensis Schröter, 1801 accepted as Rhyssoplax polita (Spengler, 1797) (unaccepted > junior subjective synonym)
135. Species Chiton capensis J. E. Gray, 1828 accepted as Chiton nigrovirescens Blainville, 1825 accepted as Radsia nigrovirescens (Blainville, 1825) (unaccepted > junior homonym, invalid: junior homonym of Chiton capensis Schröter, 1801)
136. Species Chiton caprearum Scacchi, 1836 accepted as Lepidochitona caprearum (Scacchi, 1836) (superseded combination)
137. Species Chiton carbonarius Stevens, 1858 † accepted as Glaphurochiton carbonarius (Stevens, 1858) † (unaccepted > superseded combination)
138. Species Chiton carinulatus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) carinulatus (Reeve, 1847) represented as Ischnochiton carinulatus (Reeve, 1847) (original combination)
139. Species Chiton carmichaelis W. Wood, 1828 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795) represented as Plaxiphora aurata (Spalowsky, 1795) (junior subjective synonym)
140. Species Chiton carnosus Angas, 1867 accepted as Mucrosquama carnosa (Angas, 1867) (unaccepted > superseded combination)
141. Species Chiton castaneus W. Wood, 1815 accepted as Callochiton dentatus (Spengler, 1797)
142. Species Chiton castaneus Quoy & Gaimard, 1835 accepted as Chaetopleura papilio (Spengler, 1797) (invalid: junior homonym of Chiton castaneus W. Wood, 1815)
143. Species Chiton castaneus A. Gould, 1852 accepted as Hemiarthrum setulosum P. P. Carpenter, 1876 (invalid: junior primary homonym of Chiton castaneus W. Wood, 1815)
144. Species Chiton castus Reeve, 1847 accepted as Ischnochiton contractus (Reeve, 1847)
145. Species Chiton catenulatus G. B. Sowerby I, 1832 accepted as Stenoplax rugulata (G. B. Sowerby I, 1832)
146. Species Chiton cerasinus Gmelin, 1791 accepted as Callochiton dentatus (Spengler, 1797)
147. Species Chiton chemnitzii L. Pfeiffer, 1840 accepted as Chiton squamosus Linnaeus, 1764
148. Species Chiton chilensis Frembly, 1827 accepted as Tonicia chilensis (Frembly, 1827) (superseded combination)
149. Species Chiton chiloensis G. B. Sowerby I, 1832 accepted as Tonicia calbucensis Plate, 1898
150. Species Chiton chitonellus Blainville, 1825 accepted as Cryptoplax larvaeformis (Burrow, 1815)
151. Species Chiton chlamys Reeve, 1847 accepted as Cryptochiton stelleri (Middendorff, 1847)
152. Species Chiton ciliatus G. B. Sowerby II, 1839 accepted as Mopalia ciliata (G. B. Sowerby II, 1840) (original combination)
153. Species Chiton cimex Gmelin, 1791 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) represented as Lepidochitona cinerea (Linnaeus, 1767) (dubious synonym)
154. Species Chiton cimicinus Spengler, 1797 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) represented as Lepidochitona cinerea (Linnaeus, 1767) (dubious synonym)
155. Species Chiton cimicoides Monterosato, 1879 accepted as Leptochiton cimicoides (Monterosato, 1879) (original combination)
156. Species Chiton cimolius Reeve, 1847 accepted as Lorica volvox (Reeve, 1847)
157. Species Chiton cinereus Linnaeus, 1767 sensu O. Fabricius, 1780 accepted as Tonicella rubra (Linnaeus, 1767) accepted as Boreochiton ruber (Linnaeus, 1767) (misapplication)
158. Species Chiton cinereus Linnaeus, 1767 sensu Montagu, 1803 accepted as Leptochiton asellus (Gmelin, 1791) (misapplication)
159. Species Chiton cinereus Linnaeus, 1767 sensu Poli, 1791 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836) represented as Lepidochitona caprearum (Scacchi, 1836) (misapplication)
160. Species Chiton cinereus Linnaeus, 1767 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) represented as Lepidochitona cinerea (Linnaeus, 1767) (original combination)
161. Species Chiton circellatus Reeve, 1847 accepted as Acanthochitona circellata (Reeve, 1847) (unaccepted > superseded combination)
162. Species Chiton circumvallatus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) circumvallatus (Reeve, 1847) represented as Ischnochiton circumvallatus (Reeve, 1847) (superseded combination)
163. Species Chiton clathratus Reeve, 1847 (unaccepted, original combination)
164. Species Chiton clavatus Suter, 1907 (unaccepted, junior subjective synonym)
165. Species Chiton coarctatus G. B. Sowerby II, 1841 (unaccepted, original combination)
166. Species Chiton colliei Reeve, 1847 (unaccepted)
167. Species Chiton colubrifer Reeve, 1848 (unaccepted, original combination)
168. Species Chiton columbiensis G. B. Sowerby I, 1832 (unaccepted)
169. Species Chiton concentricus Reeve, 1847 (unaccepted)
170. Species Chiton concentricus de Koninck, 1842 † (unaccepted > junior homonym, A junior homonym of Chiton concentricus G. B. Sowerby I, 1841)
171. Species Chiton concentricus G. B. Sowerby II, 1841 (unaccepted, synonym)
172. Species Chiton concinnus G. B. Sowerby II, 1840 (unaccepted)
173. Species Chiton confossus A. Gould, 1846 (unaccepted, junior synonym)
174. Species Chiton constanti Vélain, 1877 (unaccepted)
175. Species Chiton contractus Reeve, 1847 (unaccepted, original combination)
176. Species Chiton convexus Blainville, 1825 (unaccepted)
177. Species Chiton coquimbensis Frembly, 1827 (unaccepted)
178. Species Chiton corallinus (Risso, 1826) (unaccepted)
179. Species Chiton cordifer de Koninck, 1842 † (unaccepted > superseded combination)
180. Species Chiton coreanicus Reeve, 1847 (unaccepted, original combination)
181. Species Chiton coronatus Locard, 1898 (unaccepted)
182. Species Chiton corrugatus Reeve, 1848 (unaccepted, synonym)
183. Species Chiton corrugatus F. Sandberger & G. Sandberger, 1856 † (unaccepted > junior homonym, invalid; not Reeve, 1848)
184. Species Chiton corypheus Hedley & Hull, 1912 (unaccepted)
185. Species Chiton costatus Blainville, 1825 (unaccepted)
186. Species Chiton costatus C. B. Adams, 1845 (unaccepted, junior synonym)
187. Species Chiton coxi Pilsbry, 1894 (unaccepted)
188. Species Chiton cranchianus Leach, 1852 (unaccepted, synonym)
189. Species Chiton crassus Clessin, 1903 (unaccepted)
190. Species Chiton crawfordi Sykes, 1899 (unaccepted)
191. Species Chiton crenulatus Broderip, 1832 (unaccepted)
192. Species Chiton crinitus Pennant, 1777 (unaccepted, original combination)
193. Species Chiton crispus Reeve, 1847 (unaccepted, superseded combination)
194. Species Chiton crocinus Reeve, 1847 (unaccepted, superseded combination)
195. Species Chiton cruciformis G. B. Sowerby I, 1823 (unaccepted)
196. Species Chiton cumingii Frembly, 1827 (unaccepted)
197. Species Chiton cunninghami Reeve, 1847 (unaccepted)
198. Species Chiton cyaneopunctatus Krauss, 1848 (unaccepted, junior synonym)
199. Species Chiton dalriensis Etheridge, 1882 † (unaccepted > superseded combination)
200. Species Chiton decipiens Tiberi, 1877 (unaccepted, synonym)
201. Species Chiton decoratus Reuss, 1860 † (unaccepted, synonym)
202. Species Chiton decussatus Reeve, 1847 (unaccepted)
203. Species Chiton defilippii Tapparone Canefri, 1874 (unaccepted)
204. Species Chiton densiliratus P. P. Carpenter, 1893 (unaccepted)
205. Species Chiton dentatus Spengler, 1797 (unaccepted, original combination)
206. Species Chiton dentiens A. Gould, 1846 (unaccepted, original combination)
207. Species Chiton diaphorus (Iredale & May, 1916) (unaccepted)
208. Species Chiton dieffenbachii Reeve, 1847 (unaccepted)
209. Species Chiton dimorphus Rochebrune, 1889 (unaccepted)
210. Species Chiton discolor Souverbie, 1866 (unaccepted)
211. Species Chiton discors Maton & Rackett, 1807 (unaccepted, synonym)
212. Species Chiton discrepans T. Brown, 1827 (unaccepted, original combination)
213. Species Chiton disjunctus Frembly, 1827 (unaccepted, superseded combination)
214. Species Chiton dispar G. B. Sowerby I, 1832 (unaccepted > superseded combination)
215. Species Chiton dissimilis Reeve, 1847 (unaccepted)
216. Species Chiton divergens Reeve, 1847 (unaccepted)
217. Species Chiton doriae Capellini, 1859 (unaccepted, original combination)
218. Species Chiton eburonicus Ryckholt, 1845 † (unaccepted > superseded combination)
219. Species Chiton echinatus Barnes, 1824 (unaccepted > superseded combination)
220. Species Chiton echinotus Blainville, 1825 (unaccepted, dubious synonym)
221. Species Chiton ectypus (Rochebrune, 1884) (unaccepted)
222. Species Chiton elegans Frembly, 1827 (unaccepted, invalid: junior homonym of Chiton elegans Blainville, 1825)
223. Species Chiton elenensis G. B. Sowerby I, 1832 (unaccepted, original combination)
224. Species Chiton elongatus Reeve, 1847 (unaccepted, invalid: junior homonym of Chiton elongatus Blainville, 1825)
225. Species Chiton elongatus Blainville, 1825 (unaccepted, original combination)
226. Species Chiton emersonianus A. Gould, 1841 (unaccepted > unjustified emendation, Unjustified emendation of Chiton emersonii Couthoy, 1838)
227. Species Chiton emersonii Couthouy, 1838 (unaccepted)
228. Species Chiton empleurus F. W. Hutton, 1872 (unaccepted, superseded combination)
229. Species Chiton erythronotus C. B. Adams, 1845 (unaccepted, original combination)
230. Species Chiton eschscholtzii Middendorff, 1847 (unaccepted)
231. Species Chiton estuarii Brusina, 1870 (unaccepted, synonym)
232. Species Chiton euplaeae O. G. Costa, 1830 (unaccepted, nomen dubium)
233. Species Chiton evanidus G. B. Sowerby II, 1840 (unaccepted)
234. Species Chiton exasperatus (Iredale, 1914) (unaccepted, superseded combination)
235. Species Chiton exiguus G. B. Sowerby I, 1832 (unaccepted, original combination)
236. Species Chiton exoptandus Bednall, 1897 (unaccepted, superseded combination)
237. Species Chiton fasciatus W. Wood, 1815 (unaccepted)
238. Species Chiton fasciatus Quoy & Gaimard, 1835 (unaccepted > junior subjective synonym)
239. Species Chiton fascicularis Linnaeus, 1767 (unaccepted, original combination)
240. Species Chiton fastigiatus G. B. Sowerby I, 1833 (unaccepted)
241. Species Chiton ferrugineus Spengler, 1797 (unaccepted, synonym)
242. Species Chiton flavescens P. P. Carpenter, 1857 (unaccepted > junior subjective synonym)
243. Species Chiton flemingius Leach, 1852 (unaccepted, synonym)
244. Species Chiton floccatus G. B. Sowerby II, 1842 (unaccepted, original combination)
245. Species Chiton foliatus T. Brown, 1818 (unaccepted, synonym)
246. Species Chiton formosus Reeve, 1847 (unaccepted, original combination)
247. Species Chiton fortiliratus Reeve, 1847 (unaccepted, original combination)
248. Species Chiton fossicius Ashby & Torr, 1901 † (unaccepted > superseded combination)
249. Species Chiton fosteri Bullock, 1972 (unaccepted)
250. Species Chiton foveolatus G. B. Sowerby II, 1839 (unaccepted)
251. Species Chiton freelandi Forbes, 1844 (unaccepted, dubious synonym)
252. Species Chiton frembleii Broderip, 1832 (unaccepted, junior subjective synonym)
253. Species Chiton fruticosus A. Gould, 1846 (unaccepted, original combination)
254. Species Chiton fulgetrum Reeve, 1847 (unaccepted)
255. Species Chiton fuliginatus Reeve, 1847 (unaccepted, original combination)
256. Species Chiton fulminatus Couthouy, 1838 (unaccepted, synonym)
257. Species Chiton fulvus W. Wood, 1815 (unaccepted, synonym)
258. Species Chiton funereus Hedley & Hull, 1912 (unaccepted)
259. Species Chiton furtivus Monterosato, 1879 (unaccepted, original combination)
260. Species Chiton fuscatus Leach, 1852 (unaccepted, synonym)
261. Species Chiton fuscatus T. Brown, 1827 (unaccepted, dubious synonym)
262. Species Chiton gaimardi Blainville, 1825 (unaccepted, original combination)
263. Species Chiton garnoti Blainville, 1825 (unaccepted, original combination)
264. Species Chiton geikiei Etheridge, 1882 † (unaccepted > superseded combination)
265. Species Chiton gemmatus Blainville, 1825 (unaccepted, original combination)
266. Species Chiton gemmatus de Koninck, 1843 † (unaccepted > junior homonym, a junior homonym of Chiton gemmatus Blainville, 1825)
267. Species Chiton georgianus Quoy & Gaimard, 1835 (unaccepted)
268. Species Chiton gigas Gmelin, 1791 (unaccepted, original combination)
269. Species Chiton glaber Clessin, 1903 (unaccepted)
270. Species Chiton glaucus Quoy & Gaimard, 1835 (unaccepted)
271. Species Chiton goodallii Broderip, 1832 (unaccepted > superseded combination)
272. Species Chiton gracilis Jeffreys, 1859 (unaccepted, synonym)
273. Species Chiton graniferus G. B. Sowerby I, 1832 (unaccepted)
274. Species Chiton granulatus Gmelin, 1791 (unaccepted, original combination)
275. Species Chiton grayii G. B. Sowerby I, 1832 (unaccepted)
276. Species Chiton grinionensis Lamarck, 1803 † (unaccepted > superseded combination)
277. Species Chiton guildingii Reeve, 1847 (unaccepted)
278. Species Chiton hanleyi W. Bean, 1844 (unaccepted > superseded combination)
279. Species Chiton hartwegii P. P. Carpenter, 1856 (unaccepted, original combination)
280. Species Chiton hennahi J. E. Gray, 1828 (unaccepted > superseded combination)
281. Species Chiton heterodon (Pilsbry, 1893) (unaccepted)
282. Species Chiton hindsii Reeve, 1847 (unaccepted, original combination)
283. Species Chiton hirsutus Deshayes, 1827 (unaccepted)
284. Species Chiton hirtosus Blainville, 1825 (unaccepted, original combination)
285. Species Chiton hirudiniformis G. B. Sowerby I, 1832 (unaccepted, original combination)
286. Species Chiton howensis Hedley & Hull, 1912 (unaccepted > junior subjective synonym)
287. Species Chiton howseanus Kirkby, 1857 † (unaccepted > superseded combination)
288. Species Chiton hullianus Iredale, 1910 (unaccepted)
289. Species Chiton hululensis (E. A. Smith, 1903) (unaccepted)
290. Species Chiton huttoni Suter, 1906 (unaccepted, junior subjective synonym)
291. Species Chiton iatricus Winckworth, 1930 (unaccepted)
292. Species Chiton illuminatus Reeve, 1847 (unaccepted)
293. Species Chiton imbricatus Nierstrasz, 1905 (unaccepted, synonym)
294. Species Chiton imitator E. A. Smith, 1881 (unaccepted, junior synonym)
295. Species Chiton inca A. d'Orbigny, 1841 (unaccepted)
296. Species Chiton incanus A. Gould, 1846 (unaccepted, junior subjective synonym)
297. Species Chiton incarnatus Reeve, 1848 (unaccepted, synonym)
298. Species Chiton incii Reeve, 1847 (unaccepted)
299. Species Chiton incisus G. B. Sowerby II, 1841 (unaccepted, original combination)
300. Species Chiton incompletus Fischer von Waldheim, 1807 (unaccepted)
301. Species Chiton inconspicuus G. B. Sowerby II, 1840 (unaccepted > nomen nudum)
302. Species Chiton indus Gmelin, 1791 (unaccepted, possible synonym)
303. Species Chiton inornatus Tenison Woods, 1881 (unaccepted, superseded combination)
304. Species Chiton inquinatus Reeve, 1847 (unaccepted, superseded combination)
305. Species Chiton insculptus A. Adams, 1854 (unaccepted, junior subjective synonym)
306. Species Chiton insculptus Souverbie, 1866 (unaccepted, junior subjective synonym)
307. Species Chiton insignis Reeve, 1847 (unaccepted, original combination)
308. Species Chiton interstinctus A. Gould, 1852 (unaccepted, superseded combination)
309. Species Chiton isabellei A. d'Orbigny, 1839 (unaccepted > superseded combination, original combination)
310. Species Chiton islandicus Gmelin, 1791 (unaccepted, dubious synonym)
311. Species Chiton janeirensis J. E. Gray, 1828 (unaccepted, original combination)
312. Species Chiton japonicus Lischke, 1873 (unaccepted, original combination)
313. Species Chiton jaspideus A. Gould, 1846 (unaccepted, junior subjective synonym)
314. Species Chiton jayi DeKay, 1843 (unaccepted)
315. Species Chiton jugosus A. Gould, 1846 (unaccepted, superseded combination)
316. Species Chiton kimberi Ashby, 1928 (unaccepted)
317. Species Chiton komaianus Is. Taki & Iw. Taki, 1929 (unaccepted > superseded combination)
318. Species Chiton kurodai Is. Taki & Iw. Taki, 1929 (unaccepted > superseded combination)
319. Species Chiton labeculatus Reeve, 1847 (unaccepted)
320. Species Chiton laevigatus G. B. Sowerby I, 1832 (unaccepted)
321. Species Chiton laevigatus J. Fleming, 1813 (unaccepted, synonym)
322. Species Chiton laevis Pennant, 1777 (unaccepted > junior subjective synonym)
323. Species Chiton laevis Pennant, 1777 sensu Montagu, 1803 (unaccepted > junior subjective synonym)
324. Species Chiton lamellosus Quoy & Gaimard, 1835 (unaccepted, original combination)
325. Species Chiton lamyi Dupuis, 1918 (unaccepted)
326. Species Chiton laqueatus G. B. Sowerby II, 1842 (unaccepted, original combination)
327. Species Chiton larvaeformis Burrow, 1815 (unaccepted, original combination)
328. Species Chiton latus Leach, 1852 (unaccepted, synonym)
329. Species Chiton latus G. B. Sowerby I, 1825 (unaccepted, invalid: not Lowe, 1825)
330. Species Chiton latus R. T. Lowe, 1825 (unaccepted, synonym)
331. Species Chiton leachi Blainville, 1825 (unaccepted, junior objective synonym)
332. Species Chiton legiacus Ryckholt, 1845 † (unaccepted > superseded combination)
333. Species Chiton lentiginosus G. B. Sowerby II, 1840 (unaccepted, original combination)
334. Species Chiton leognanensis Cossmann & Peyrot, 1917 † (unaccepted > superseded combination)
335. Species Chiton lepidus A. Gould, 1859 (unaccepted > junior subjective synonym)
336. Species Chiton lignosus A. Gould, 1846 (unaccepted, superseded combination)
337. Species Chiton limaciformis G. B. Sowerby I, 1832 (unaccepted > superseded combination)
338. Species Chiton limans Pilsbry, 1893 (unaccepted)
339. Species Chiton limans Sykes, 1896 (unaccepted)
340. Species Chiton lindholmii Schrenck, 1863 (unaccepted > junior subjective synonym)
341. Species Chiton lineatus W. Wood, 1815 (unaccepted, original combination)
342. Species Chiton lineolatus Blainville, 1825 (unaccepted, original combination)
343. Species Chiton lineolatus Frembly, 1827 (unaccepted, invalid: junior homonym of Chiton lineolatus Blainville, 1825; Tonicia fremblyana is a replacement name)
344. Species Chiton linsleyi (Burghardt, 1973) (unaccepted)
345. Species Chiton literatus Krauss, 1848 (unaccepted, original combination)
346. Species Chiton lividus Middendorff, 1847 (unaccepted, synonym)
347. Species Chiton loftusianus King, 1848 † (unaccepted > superseded combination)
348. Species Chiton longicymba Blainville, 1825 (unaccepted, original combination)
349. Species Chiton longicymba Quoy & Gaimard, 1835 (unaccepted, Invalid as preoccupied by Blainville, 1825. Ischnochiton maorianus Iredale, 1914 is replacement name)
350. Species Chiton loochooanus Broderip & G. B. Sowerby I, 1829 (unaccepted, original combination)
351. Species Chiton ludwigi Krauss, 1848 (unaccepted, junior subjective synonym)
352. Species Chiton lugubris A. Gould, 1859 (unaccepted > junior subjective synonym)
353. Species Chiton luridus G. B. Sowerby I, 1832 (unaccepted, original combination)
354. Species Chiton lusitanicus Tilesius, 1802 (unaccepted, synonym)
355. Species Chiton luteolus W. Wood, 1828 (unaccepted)
356. Species Chiton luzonicus G. B. Sowerby II, 1842 (unaccepted, original combination)
357. Species Chiton lyellii G. B. Sowerby I, 1832 (unaccepted > superseded combination)
358. Species Chiton lyratus G. B. Sowerby II, 1840 (unaccepted, original combination)
359. Species Chiton macgillivrayi A. Adams, 1855 (unaccepted, junior synonym)
360. Species Chiton magdalenensis Hinds, 1845 (unaccepted, original combination)
361. Species Chiton maillardi Deshayes, 1863 (unaccepted, original combination)
362. Species Chiton maldivensis (E. A. Smith, 1903) (unaccepted)
363. Species Chiton marginatus Pennant, 1777 (unaccepted, synonym)
364. Species Chiton marmoreus Reeve, 1847 (unaccepted)
365. Species Chiton marmoreus O. Fabricius, 1780 (unaccepted > superseded combination)
366. Species Chiton mauritianus Quoy & Gaimard, 1835 (unaccepted, superseded combination)
367. Species Chiton mediterraneus Reeve, 1847 (unaccepted, synonym)
368. Species Chiton mempiscus Ryckholt, 1845 † (unaccepted > superseded combination)
369. Species Chiton meneghinii Capellini, 1859 (unaccepted, synonym)
370. Species Chiton merckii Middendorff, 1847 (unaccepted)
371. Species Chiton mertensii Middendorff, 1847 (unaccepted, original combination)
372. Species Chiton metallicus Reeve, 1847 (unaccepted)
373. Species Chiton middendorffii Schrenck, 1861 (unaccepted, original combination)
374. Species Chiton milleri Reeve, 1847 (unaccepted > junior subjective synonym)
375. Species Chiton miltoplax Rehder, 1932 (unaccepted > nomen nudum)
376. Species Chiton miniaceus Pilsbry, 1893 (unaccepted)
377. Species Chiton minimus Spengler, 1797 (unaccepted, synonym)
378. Species Chiton minimus Gmelin, 1791 (unaccepted, dubious synonym)
379. Species Chiton minimus Monterosato, 1878 (unaccepted)
380. Species Chiton modestus Rolle, 1862 † (unaccepted > superseded combination)
381. Species Chiton montereyensis P. P. Carpenter, 1855 (unaccepted > junior subjective synonym)
382. Species Chiton monticularis Quoy & Gaimard, 1835 (unaccepted, junior subjective synonym)
383. Species Chiton montrouzieri Souverbie, 1873 (unaccepted)
384. Species Chiton mosensis de Ryckholt, 1845 † (unaccepted > superseded combination)
385. Species Chiton mulicostatus C. B. Adams, 1845 (unaccepted)
386. Species Chiton multigranosus Reuss, 1860 † (unaccepted > superseded combination)
387. Species Chiton multimaculatus Blainville, 1825 (unaccepted)
388. Species Chiton muricatus A. Adams, 1852 (unaccepted, invalid: junior homonym of Chiton muricatus Tilesius, 1824)
389. Species Chiton murrayi Haddon, 1886 (unaccepted)
390. Species Chiton muscarius Reeve, 1847 (unaccepted, original combination)
391. Species Chiton muscosus A. Gould, 1846 (unaccepted, superseded combination)
392. Species Chiton nagelfar Lovén, 1846 (unaccepted)
393. Species Chiton nervicanus Ryckholt, 1845 † (unaccepted > superseded combination)
394. Species Chiton niger Barnes, 1824 (unaccepted, original combination)
395. Species Chiton nigrovirescens Blainville, 1825 (unaccepted, original combination)
396. Species Chiton novaehollandiae Reeve, 1847 (unaccepted)
397. Species Chiton nuttalli P. P. Carpenter, 1856 (unaccepted > junior subjective synonym)
398. Species Chiton obscurellus Souverbie, 1866 (unaccepted, original combination)
399. Species Chiton obscurus G. B. Sowerby II, 1839 (unaccepted)
400. Species Chiton occidentalis Reeve, 1847 (unaccepted)
401. Species Chiton oligocaenus Rolle, 1862 † (unaccepted > superseded combination)
402. Species Chiton olivaceus Frembly, 1827 (unaccepted)
403. Species Chiton olivaceus Spengler, 1797 (unaccepted)
404. Species Chiton oniscus Krauss, 1848 (unaccepted, original combination)
405. Species Chiton onyx Spengler, 1797 (unaccepted, synonym)
406. Species Chiton oruktus Maughan, 1900 (unaccepted)
407. Species Chiton oryza Spengler, 1797 (unaccepted, dubious synonym)
408. Species Chiton pachylasmae Monterosato, 1879 (unaccepted, original combination)
409. Species Chiton pallasii Middendorff, 1847 (unaccepted, a junior synonym)
410. Species Chiton pallidulus Reeve, 1847 (unaccepted)
411. Species Chiton papilio Spengler, 1797 (unaccepted, original combination)
412. Species Chiton papillosus C. B. Adams, 1845 (unaccepted, original combination)
413. Species Chiton particolor (Hull, 1923) (unaccepted > superseded combination)
414. Species Chiton parvus Stevens, 1858 † (unaccepted > superseded combination)
415. Species Chiton patulus G. B. Sowerby II, 1840 (unaccepted)
416. Species Chiton paucipustulosus Ashby & Torr, 1901 † (unaccepted > superseded combination)
417. Species Chiton pectinatus G. B. Sowerby II, 1840 (unaccepted, original combination)
418. Species Chiton pelliserpentis Quoy & Gaimard, 1835 (unaccepted, superseded combination)
419. Species Chiton penicillatus Deshayes, 1863 (unaccepted, original combination)
420. Species Chiton peregrinus Thiele, 1909 (unaccepted, superseded combination)
421. Species Chiton perpunctatus Suter, 1906 (unaccepted > nomen nudum)
422. Species Chiton pertusus Reeve, 1847 (unaccepted, original combination)
423. Species Chiton peruvianus Lamarck, 1819 (unaccepted > superseded combination)
424. Species Chiton perviridis P. P. Carpenter, 1865 (unaccepted, original combination)
425. Species Chiton petaloides A. Gould, 1846 (unaccepted, superseded combination)
426. Species Chiton petasus Reeve, 1847 (unaccepted, original combination)
427. Species Chiton petholatus G. B. Sowerby II, 1839 (unaccepted)
428. Species Chiton phaseolinus Monterosato, 1879 (unaccepted)
429. Species Chiton philippii Issel, 1870 (unaccepted, synonym)
430. Species Chiton piceus Gmelin, 1791 (unaccepted)
431. Species Chiton pictus W. Bean, 1844 (unaccepted, synonym)
432. Species Chiton pictus Blainville, 1825 (unaccepted)
433. Species Chiton pictus Reeve, 1847 (unaccepted > junior homonym, invalid; not Blainville, 1825, Lucilina shirleyi is a replacement name)
434. Species Chiton picus Reeve, 1847 (unaccepted)
435. Species Chiton planatus Spengler, 1797 (unaccepted)
436. Species Chiton platessa A. Gould, 1846 (unaccepted, junior subjective synonym)
437. Species Chiton polii Deshayes, 1835 (unaccepted, synonym)
438. Species Chiton polii R. A. Philippi, 1836 (unaccepted > junior homonym, junior homonym of Chiton polii Deshayes, 1833)
439. Species Chiton politus Spengler, 1797 (unaccepted)
440. Species Chiton porosus Burrow, 1815 (unaccepted, superseded combination)
441. Species Chiton porphyreticus Reeve, 1847 (unaccepted, junior subjective synonym)
442. Species Chiton porphyrius G. B. Sowerby II, 1839 (unaccepted)
443. Species Chiton priscus Münster, 1839 † (unaccepted > superseded combination)
444. Species Chiton productus Reeve, 1847 (unaccepted)
445. Species Chiton proprius Reeve, 1847 (unaccepted)
446. Species Chiton proteus Reeve, 1847 (unaccepted)
447. Species Chiton pruinosus A. Gould, 1846 (unaccepted, junior synonym)
448. Species Chiton pulchellus Gray, 1828 (unaccepted, original combination)
449. Species Chiton pulchellus R. A. Philippi, 1844 (unaccepted > junior homonym, junior homonym of Chiton pulchellus Gray, 1828)
450. Species Chiton pulcher (Kaas, 1991) (unaccepted)
451. Species Chiton pulcherrimus G. B. Sowerby II, 1842 (unaccepted, original combination)
452. Species Chiton pulvinatus P. P. Carpenter, 1893 (unaccepted)
453. Species Chiton punctulatissimus G. B. Sowerby I, 1832 (unaccepted > superseded combination)
454. Species Chiton puniceus A. Gould, 1846 (unaccepted, superseded combination)
455. Species Chiton purpurascens C. B. Adams, 1845 (unaccepted, original combination)
456. Species Chiton pusillus G. B. Sowerby I, 1832 (unaccepted > superseded combination)
457. Species Chiton pusio G. B. Sowerby I, 1832 (unaccepted > superseded combination)
458. Species Chiton pustulatus Krauss, 1848 (unaccepted, superseded combination)
459. Species Chiton quercinus A. Gould, 1846 (unaccepted, superseded combination)
460. Species Chiton quinquivalvis T. Brown, 1823 (unaccepted, synonym)
461. Species Chiton quoyi Deshayes, 1836 (unaccepted, unnecessary replacement name for Chiton viridis Quoy & Gaimard, 1835)
462. Species Chiton rapaitiensis Schwabe & Lozouet, 2006 (unaccepted)
463. Species Chiton rarinota Jeffreys, 1883 (unaccepted, original combination)
464. Species Chiton raripilosus Blainville, 1825 (unaccepted, junior subjective synonym)
465. Species Chiton rariplicatus Reuss, 1860 † (unaccepted)
466. Species Chiton regularis P. P. Carpenter, 1856 (unaccepted, original combination)
467. Species Chiton reticulatus Nierstrasz, 1905 (unaccepted, primary homonym of Chiton reticulatus Reeve, 1847; Rhyssoplax nierstrasziana Kaas, 1957 is a replacement name)
468. Species Chiton retusus G. B. Sowerby I, 1832 (unaccepted, original combination)
469. Species Chiton reussi Prochazka, 1895 (unaccepted, junior homonym of Chiton reussi Rolle, 1862)
470. Species Chiton reussi Rolle, 1862 † (unaccepted > superseded combination)
471. Species Chiton rhynchotus (Rochebrune, 1884) (unaccepted)
472. Species Chiton rissoi Payraudeau, 1826 (unaccepted, original combination)
473. Species Chiton roseus G. B. Sowerby I, 1832 (unaccepted, homonym)
474. Species Chiton rubellus Nardo, 1847 (unaccepted, dubious synonym)
475. Species Chiton rubellus Pilsbry, 1893 (unaccepted, synonym)
476. Species Chiton ruber Linnaeus, 1767 (unaccepted, original combination)
477. Species Chiton rubicundus O. G. Costa, 1830 (unaccepted)
478. Species Chiton rubiginosus (F. W. Hutton, 1872) (unaccepted, superseded combination)
479. Species Chiton rubrolineatus Lischke, 1873 (unaccepted, original combination)
480. Species Chiton rudis F. W. Hutton, 1872 (unaccepted, junior subjective synonym)
481. Species Chiton rugosus G. B. Sowerby II, 1840 (unaccepted, invalid; not Gray, 1826)
482. Species Chiton rugulatus G. B. Sowerby I, 1832 (unaccepted, original combination)
483. Species Chiton rusticus Deshayes, 1863 (unaccepted)
484. Species Chiton sagrinatus Couthouy, 1838 (unaccepted, synonym)
485. Species Chiton salamander Spengler, 1797 (unaccepted)
486. Species Chiton salihafui Bullock, 1972 (unaccepted)
487. Species Chiton sandbergianus de Ryckholt, 1845 † (unaccepted > superseded combination)
488. Species Chiton sanguineus Deshayes, 1863 (unaccepted, invalid; not Reeve, 1847, Callochiton deshayesi is a replacement name)
489. Species Chiton scaber Reeve, 1847 (unaccepted, invalid: junior homonym of Chiton scaber Blainville, 1825)
490. Species Chiton scabriculus G. B. Sowerby I, 1832 (unaccepted)
491. Species Chiton scabridus Jeffreys, 1880 (unaccepted, original combination)
492. Species Chiton scarabaeus Reeve, 1847 (unaccepted)
493. Species Chiton scoticus Leach, 1852 (unaccepted, synonym)
494. Species Chiton scrobiculatus Middendorff, 1847 (unaccepted, original combination)
495. Species Chiton scutiger Reeve, 1847 (unaccepted > superseded combination)
496. Species Chiton scytodesma Scacchi, 1836 (unaccepted, dubious synonym)
497. Species Chiton segmentatus Reeve, 1847 (unaccepted > junior subjective synonym)
498. Species Chiton semilaevis Pilsbry, 1893 (unaccepted)
499. Species Chiton septemvalvis Montagu, 1803 (unaccepted, original combination)
500. Species Chiton setiger P. P. King, 1832 (unaccepted, junior subjective synonym)
501. Species Chiton setosus G. B. Sowerby I, 1832 (unaccepted, invalid; not Tilesius, 1824, Ceratozona angusta is a replacement name)
502. Species Chiton shirleyi Iredale, 1914 (unaccepted)
503. Species Chiton siculoides E. A. Smith, 1891 (unaccepted > nomen nudum)
504. Species Chiton siculus Gray, 1828 (unaccepted, synonym)
505. Species Chiton simpsonii J. E. Gray, 1847 (unaccepted > nomen nudum)
506. Species Chiton sinclairi J. E. Gray, 1843 (unaccepted > superseded combination)
507. Species Chiton sitchensis Middendorff, 1847 (unaccepted, a junior synonym)
508. Species Chiton sitkensis Reeve, 1847 (unaccepted)
509. Species Chiton soleaformis Etheridge, 1882 † (unaccepted > superseded combination)
510. Species Chiton sowerbianus Reeve, 1847 (unaccepted, original combination)
511. Species Chiton sowerbyanus Clessin, 1904 (unaccepted)
512. Species Chiton speciosus Nierstrasz, 1905 (unaccepted)
513. Species Chiton spengleri Blainville, 1825 (unaccepted)
514. Species Chiton spiculosus Reeve, 1847 (unaccepted > superseded combination)
515. Species Chiton spiniferus Frembly, 1827 (unaccepted)
516. Species Chiton spiniger G. B. Sowerby II, 1839 (unaccepted)
517. Species Chiton spinosetatus Bergenhayn, 1930 (unaccepted)
518. Species Chiton spinosus Bruguière, 1792 (unaccepted, original combination)
519. Species Chiton spinulosus Gray, 1828 (unaccepted)
520. Species Chiton squalidus C. B. Adams, 1845 (unaccepted, original combination)
521. Species Chiton squammulosus Dollfus, 1883 (unaccepted, synonym)
522. Species Chiton squamosum Linnaeus, 1764 (unaccepted > incorrect grammatical agreement of specific epithet)
523. Species Chiton squamulosus C. B. Adams, 1845 (unaccepted, junior synonym)
524. Species Chiton stangeri Reeve, 1847 (unaccepted, superseded combination)
525. Species Chiton stigma O. G. Costa, 1830 (unaccepted)
526. Species Chiton stramineus G. B. Sowerby I, 1832 (unaccepted, original combination)
527. Species Chiton striatus Brusina, 1870 (unaccepted, synonym)
528. Species Chiton striatus Fischer von Waldheim, 1807 (unaccepted)
529. Species Chiton striatus Barnes, 1824 (unaccepted > junior homonym, invalid: junior homonym of Chiton striatus Fischer von Waldheim, 1807)
530. Species Chiton striolatus J. E. Gray, 1828 (unaccepted > superseded combination)
531. Species Chiton subassimilis Souverbie, 1866 (unaccepted, superseded combination)
532. Species Chiton subcajetanus A. d'Orbigny, 1852 (unaccepted, synonym)
533. Species Chiton subfuscus G. B. Sowerby I, 1832 (unaccepted)
534. Species Chiton subgemmatus A. d'Orbigny, 1850 † (unaccepted > superseded combination)
535. Species Chiton subgigas Blainville, 1825 (unaccepted)
536. Species Chiton submarmoreus Middendorff, 1847 (unaccepted, synonym)
537. Species Chiton subquadratus Kirkby & J. Young, 1867 † (unaccepted > superseded combination)
538. Species Chiton sueurii Blainville, 1825 (unaccepted, original combination)
539. Species Chiton sueziensis Reeve, 1847 (unaccepted, original combination)
540. Species Chiton sulcatus W. Wood, 1815 (unaccepted, original combination)
541. Species Chiton suteri Iredale, 1910 (unaccepted, junior subjective synonym)
542. Species Chiton swainsoni G. B. Sowerby I, 1832 (unaccepted, original combination)
543. Species Chiton tasmanicus Paetel, 1887 (unaccepted)
544. Species Chiton tectiformis (Is. Taki, 1938) (unaccepted)
545. Species Chiton tehuelchus A. d'Orbigny, 1839 (unaccepted > junior subjective synonym)
546. Species Chiton tenuissimus F. Sandberger, 1859 † (unaccepted > superseded combination)
547. Species Chiton tenuistriatus G. B. Sowerby II, 1840 (unaccepted, junior subjective synonym)
548. Species Chiton terquemi Deslongchamps, 1859 † (unaccepted > superseded combination)
549. Species Chiton tesselatus Quoy & Gaimard, 1835 (unaccepted > junior homonym, non Wood, 1815)
550. Species Chiton tessellatus W. Wood, 1815 (unaccepted, junior subjective synonym)
551. Species Chiton testudo Spengler, 1797 (unaccepted > superseded combination)
552. Species Chiton textilis J. E. Gray, 1828 (unaccepted > superseded combination)
553. Species Chiton themeropis (Iredale, 1914) (unaccepted, superseded combination)
554. Species Chiton thomondiensis Baily, 1859 † (unaccepted > superseded combination)
555. Species Chiton tigrinus Krauss, 1848 (unaccepted, junior synonym)
556. Species Chiton tigris Spengler, 1797 (unaccepted)
557. Species Chiton torri Suter, 1907 (unaccepted, superseded combination)
558. Species Chiton torri Hedley & Hull, 1909 (unaccepted, invalid: not Suter, 1907)
559. Species Chiton torrianus Hedley & Hull, 1910 (unaccepted)
560. Species Chiton translucens Hedley & Hull, 1909 (unaccepted, superseded combination)
561. Species Chiton tricostalis Pilsbry, 1894 (unaccepted)
562. Species Chiton truncatus G. B. Sowerby II, 1841 (unaccepted, original combination)
563. Species Chiton tuberculatus Leach, 1852 (unaccepted, synonym)
564. Species Chiton tuberculosus Souverbie, 1866 (unaccepted)
565. Species Chiton tulipa Quoy & Gaimard, 1835 (unaccepted, junior subjective synonym)
566. Species Chiton tunicatus W. Wood, 1815 (unaccepted, original combination)
567. Species Chiton turnacianus Ryckholt, 1845 † (unaccepted > superseded combination)
568. Species Chiton tuticorinensis H. C. Ray & Roychoudhury, 1968 (unaccepted)
569. Species Chiton undatus Spengler, 1797 (unaccepted)
570. Species Chiton undulatus Quoy & Gaimard, 1835 (unaccepted, invalid: junior homonym of Chiton undulatus Fischer von Waldheim, 1807)
571. Species Chiton undulatus Olfers, 1818 (unaccepted)
572. Species Chiton undulatus Fischer von Waldheim, 1807 (unaccepted)
573. Species Chiton unicolor Schröter, 1801 (unaccepted > junior subjective synonym)
574. Species Chiton ustulatus Reeve, 1847 (unaccepted)
575. Species Chiton vangoethemi Leloup, 1981 (unaccepted > junior subjective synonym)
576. Species Chiton variegatus Leach, 1852 (unaccepted, synonym)
577. Species Chiton variegatus R. A. Philippi, 1836 (unaccepted > junior homonym, junior homonym of Chiton variegatus Röding, 1798)
578. Species Chiton variegatus Blainville, 1825 (unaccepted)
579. Species Chiton vauclusensis Hedley & Hull, 1909 (unaccepted, superseded combination)
580. Species Chiton velatus G. B. Sowerby II, 1833 (unaccepted, synonym)
581. Species Chiton venustus (Hull, 1923) (unaccepted)
582. Species Chiton verconis Torr & Ashby, 1898 (unaccepted)
583. Species Chiton versicolor G. B. Sowerby II, 1840 (unaccepted, original combination)
584. Species Chiton versicolor A. Adams, 1854 (unaccepted > junior subjective synonym)
585. Species Chiton vespertinus A. Gould, 1852 (unaccepted, original combination)
586. Species Chiton vestitus Broderip & G. B. Sowerby I, 1829 (unaccepted > junior subjective synonym)
587. Species Chiton violaceus Quoy & Gaimard, 1835 (unaccepted, superseded combination)
588. Species Chiton virgatus Reeve, 1848 (unaccepted, superseded combination)
589. Species Chiton virgifer F. Sandberger, 1859 † (unaccepted > superseded combination)
590. Species Chiton viridis Quoy & Gaimard, 1835 (unaccepted, junior subjective synonym)
591. Species Chiton viridis Schröter, 1801 (unaccepted, tentative synonymy)
592. Species Chiton viridulus A. Gould, 1846 (unaccepted > superseded combination)
593. Species Chiton viseticola Ryckholt, 1845 † (unaccepted > superseded combination)
594. Species Chiton volvox Reeve, 1847 (unaccepted, original combination)
595. Species Chiton wahlbergi Krauss, 1848 (unaccepted)
596. Species Chiton wallacei Winckworth, 1927 (unaccepted)
597. Species Chiton watsoni G. B. Sowerby II, 1840 (unaccepted)
598. Species Chiton whitleyi (Iredale & Hull, 1932) (unaccepted)
599. Species Chiton woodii Clessin, 1903 (unaccepted)
600. Species Chiton wosnessenskii Middendorff, 1847 (unaccepted)
601. Species Chiton youngianus Kirkby, 1865 † (unaccepted > superseded combination)
602. Species Chiton zelandicus Quoy & Gaimard, 1835 (unaccepted, superseded combination)
603. Species Chiton zschaui Pfeffer, 1886 (unaccepted, original combination)
604. Subgenus Chiton (Callochiton) J. E. Gray, 1847 (alternative representation)
     1. Species Chiton (Callochiton) carpenteri Clessin, 1903 accepted as Callistochiton pulchellus (Gray, 1828)
     2. Species Chiton (Callochiton) gaimardi Clessin, 1903 accepted as Chaetopleura papilio (Spengler, 1797) (homonym)
605. Subgenus Chiton (Chiton) Linnaeus, 1758 represented as Chiton Linnaeus, 1758
     1. Species Chiton (Chiton) aorangi Creese & O'Neill, 1987 accepted as Sypharochiton aorangi (Creese & O'Neill, 1987) (superseded combination)
     2. Species Chiton (Chiton) barnardi Ashby, 1931 accepted as Rhyssoplax barnardi (Ashby, 1931)
     3. Species Chiton (Chiton) bowenii P. P. King, 1832 accepted as Chiton magnificus Deshayes, 1827
     4. Species Chiton (Chiton) fosteri Bullock, 1972 accepted as Rhyssoplax fosteri (Bullock, 1972)
     5. Species Chiton (Chiton) lyratus G. B. Sowerby II, 1840 accepted as Chiton (Rhyssoplax) canariensis A. d'Orbigny, 1840 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840) (junior synonym, based on re-examination of type material)
     6. Species Chiton (Chiton) mauritianus Quoy & Gaimard, 1835 accepted as Chiton mauritianus Quoy & Gaimard, 1835 accepted as Rhyssoplax mauritiana (Quoy & Gaimard, 1835)
     7. Species Chiton (Chiton) nigrovirescens Blainville, 1825 accepted as Radsia nigrovirescens (Blainville, 1825)
     8. Species Chiton (Chiton) pelliserpentis Quoy & Gaimard, 1835 accepted as Sypharochiton pelliserpentis (Quoy & Gaimard, 1835) (superseded combination)
     9. Species Chiton (Chiton) salihafui Bullock, 1972 accepted as Rhyssoplax salihafui (Bullock, 1972)
     10. Species Chiton (Chiton) speciosus Nierstrasz, 1905 accepted as Chiton (Rhyssoplax) speciosus Nierstrasz, 1905 accepted as Rhyssoplax speciosa (Nierstrasz, 1905) (original combination)
     11. Species Chiton (Chiton) themeropis (Iredale, 1914) accepted as Sypharochiton themeropis Iredale, 1914 (superseded combination)
     12. Species Chiton (Chiton) torri Suter, 1907 accepted as Sypharochiton torri (Suter, 1907) (superseded combination)
     13. Species Chiton (Chiton) albolineatus Broderip & G. B. Sowerby I, 1829 represented as Chiton albolineatus Broderip & G. B. Sowerby I, 1829
     14. Species Chiton (Chiton) articulatus G. B. Sowerby I, 1832 represented as Chiton articulatus G. B. Sowerby I, 1832
     15. Species Chiton (Chiton) barnesii J. E. Gray, 1828 represented as Chiton barnesii J. E. Gray, 1828
     16. Species Chiton (Chiton) ceylanicus E. A. Smith, 1904 represented as Chiton ceylanicus E. A. Smith, 1904
     17. Species Chiton (Chiton) connectens Thiele, 1909 represented as Chiton connectens Thiele, 1909
     18. Species Chiton (Chiton) cumingsii Frembly, 1827 represented as Chiton cumingsii Frembly, 1827
     19. Species Chiton (Chiton) glaucus J. E. Gray, 1828 represented as Chiton glaucus J. E. Gray, 1828
     20. Species Chiton (Chiton) granoradiatus Leloup, 1937 represented as Chiton granoradiatus Leloup, 1937
     21. Species Chiton (Chiton) granosus Frembly, 1827 represented as Chiton granosus Frembly, 1827
     22. Species Chiton (Chiton) groschi Kaas, 1979 represented as Chiton groschi Kaas, 1979
     23. Species Chiton (Chiton) kaasi (Leloup, 1981) represented as Chiton kaasi (Leloup, 1981)
     24. Species Chiton (Chiton) laterorugosus Kaas, 1986 represented as Chiton laterorugosus Kaas, 1986
     25. Species Chiton (Chiton) magnificus Deshayes, 1827 represented as Chiton magnificus Deshayes, 1827
     26. Species Chiton (Chiton) marmoratus Gmelin, 1791 represented as Chiton marmoratus Gmelin, 1791
     27. Species Chiton (Chiton) marquesanus Pilsbry, 1893 represented as Chiton marquesanus Pilsbry, 1893
     28. Species Chiton (Chiton) squamosus Linnaeus, 1764 represented as Chiton squamosus Linnaeus, 1764
     29. Species Chiton (Chiton) stokesii Broderip, 1832 represented as Chiton stokesii Broderip, 1832
     30. Species Chiton (Chiton) tuberculatus Linnaeus, 1758 represented as Chiton tuberculatus Linnaeus, 1758
     31. Species Chiton (Chiton) virgulatus G. B. Sowerby II, 1840 represented as Chiton virgulatus G. B. Sowerby II, 1840
     32. Species Chiton (Chiton) viridis Spengler, 1797 represented as Chiton viridis Spengler, 1797
606. Species Chiton aculeatus Linnaeus, 1758 (uncertain > nomen dubium)
607. Species Chiton alternatus G. B. Sowerby II, 1840 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
608. Species Chiton antiquus Conrad, 1855 † (uncertain > unassessed, homonym of C. antiquus Reeve, 1847)
609. Species Chiton cinerascens Schröter, 1801 (uncertain > nomen dubium)
610. Species Chiton cingillatus Reeve, 1847 (uncertain > nomen dubium)
611. Species Chiton clypeus Blainville, 1825 (uncertain > nomen dubium)
612. Species Chiton cymbiola G. B. Sowerby II, 1833 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
613. Species Chiton danielli G. B. Sowerby II, 1833 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
614. Species Chiton eocenensis Conrad, 1855 † (uncertain > unassessed)
615. Species Chiton excavatus G. B. Sowerby II, 1840 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
616. Species Chiton fimbriatus G. B. Sowerby II, 1840 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
617. Species Chiton hastatus G. B. Sowerby II, 1840 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
618. Species Chiton hispidus Linnaeus, 1758 (uncertain > unassessed)
619. Species Chiton magellanicus Gmelin, 1791 (uncertain > nomen dubium)
620. Species Chiton mendicarius Mighels & C. B. Adams, 1842 accepted as Hanleya hanleyi (W. Bean, 1844) (uncertain > nomen dubium, uncertain synonym)
621. Species Chiton multicostatus C. B. Adams, 1845 (uncertain > taxon inquirendum)
622. Species Chiton muricatus Tilesius, 1824 (uncertain > nomen dubium)
623. Species Chiton ornatus P. P. Carpenter, 1856 (uncertain > unassessed)
624. Species Chiton punctatus Linnaeus, 1758 (uncertain > unassessed)
625. Species Chiton rugosus J. E. Gray, 1826 (uncertain > unassessed)
626. Species Chiton rugulosus G. B. Sowerby I, 1825 (uncertain > taxon inquirendum, use in recent literature currently undocumented)
627. Species Chiton scaber Blainville, 1825 (uncertain > taxon inquirendum)
628. Species Chiton sculptus G. B. Sowerby II, 1839 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
629. Species Chiton tuberculiferus G. B. Sowerby I, 1825 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
630. Species Chiton undulatus G. B. Sowerby I, 1839 (uncertain > nomen dubium, original combination)
631. Species Chiton varius G. B. Sowerby II, 1839 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)

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