Ischnochiton imitator (E.A. Smith, 1881) Chile, Isla Mocha9,3 mm
Ischnochiton indianus E.H.J. Leloup, 1981 Iles Glorieuses, Madagascar
Ischnochiton indifferens K.H.J. Thiele, 1911
Ischnochiton inermis T. Nuttall
Ischnochiton intermedius C. Hedley & A.F.B. Hull,1912 Norfolk Island
Ischnochiton kaasi A. Ferreira, 1987
Ischnochiton keili H.P. Plate, 1899
Ischnochiton kermadecensis T. Iredale, 1914 New Zealand, Kermadec Islands
Ischnochiton kilburni P. Kaas, 1979
Ischnochiton lentiginosus (G.B. II Sowerby, 1840) Australia, Port Jackson
Ischnochiton ligusticus (FOSSIL) Dell'Angelo & al., 2013 † Italy
Ischnochiton lineolatus (H.M.D. de Blainville,1825) Australia, Kangaroo Island
Ischnochiton lopesi P. Kaas, 1974 Brazil
Ischnochiton luteoroseus H.H. Suter, 1907 Tasmania
Ischnochiton luticolens A.F.B. Hull, 1923 Australia, Broome
Ischnochiton macleani A. Ferreira, 1978 Ecuador
Ischnochiton manazuruensis Owada, 2016
Ischnochiton maorianus T. Iredale, 1914 New Zealand, Auckland32,4 mm
Ischnochiton marloffsteinensis (FOSSIL) Fiedel & Keupp, 1988 † Germany, Bayern, Forchheim
Ischnochiton martinelli (FOSSIL) Angelo & al., 2004 † Italy, Sicily, Altavilla
Ischnochiton mawlei T. Iredale & W.L. May,1916 Tasmania
Ischnochiton mayi H.A. Pilsbry, 1895 Tasmania
Ischnochiton mitsukurii H.A. Pilsbry, 1898 Japan
Ischnochiton morishimai Is. Taki, 1962
Ischnochiton muscarius (L.A. Reeve, 1847) Mexico, Mazatlan13 mm
Ischnochiton newcombi P.P. Carpenter in H.A. Pilsbry, 1892
Ischnochiton nicklesi P. Kaas & R.A. Van Belle,1990
Ischnochiton niveus A. Ferreira, 1987
Ischnochiton obtusus P.P. Carpenter in H.A. Pilsbry, 1893
Ischnochiton oniscus (C.F.F. von Krauss, 1848) South Africa, Jeffreys Bay14 mm
Ischnochiton paessleri K.H.J. Thiele, 1909
Ischnochiton papillosus (C.B. Adams, 1845) Florida, Marco Island8,9 mm
Ischnochiton paululus Is. Taki, 1938
Ischnochiton perornatus P.P. Carpenter in H.A. Pilsbry, 1892
Ischnochiton pilsbryi W.T. Bednall, 1897 South Australia