Ischnochiton boninensis J.R.M. Bergenhayn, 1933 Japan, Tanegashima Island32,5 mm
Ischnochiton boninensis zebrinus J.R.M. Bergenhayn, 1933 Japan32 mm
Stenoplax boogii (A. Haddon, 1886) Bermuda
Ischnochiton bouryi C. Dupuis, 1917
Connexochiton bromleyi (A. Ferreira, 1985)
Ischnochiton broomensis (E.A. Ashby& B.C. Cotton, 1934) Australia, Broome
Heterochiton buccai (FOSSIL) Fucini, 1912 † Italy, Sicily
Ischnochiton caliginosus (L.A. Reeve, 1847) Philippines, Leyte Island18 mm
Tripoplax calypso K.B. Clark, 2008
Ischnochiton carinulatus (L.A. Reeve, 1847) South Australia, Adelaide16 mm
Ischnochiton cariosus (P.P. Carpenter in W.H. Dall, 1879) Australia, Victoria36,9 mm
Ischnochiton carolianus A. Ferreira, 1984 Mexico
Ischnochiton cessaci (A. de Rochebrune, 1881) Spain, Cadiz20 mm
Ischnochiton chaceorum P. Kaas & R.A. Van Belle,1990
Stenosemus chiversi A. Ferreira, 1981
Lepidozona christiaensi R.A. Van Belle, 1982 Hong Kong
Stenoplax circumsenta S.S. Berry, 1956 Mexico, Guaymas
Ischnochiton circumvallatus (L.A. Reeve, 1847) New Zealand31,2 mm
Lepidozona clarionensis A. Ferreira, 1983 Mexico, Clarion Island
Lepidozona clathrata (L.A. Reeve, 1847) Mexico, Baja California Sur, La Paz37 mm
Ischnochiton colubrifer (L.A. Reeve, 1848)
Heterochiton compressus (FOSSIL) (Scalia, 1903 †) Italy, Sicily
Ischnochiton comptus (A.A. Gould, 1859) Japan, Wakayama21,1 mm
Stenoradsia conspicua (H.A. Pilsbry, 1892) Mexico, Baja California80 mm
Ischnochiton contractus (L.A. Reeve, 1847) South Australia33,45 mm
Lepidozona cooperi (W.H. Dall, 1879 ex Carpenter MS) California, Monterey Bay35 mm
Lepidozona coreanica (L.A. Reeve, 1847) Taiwan17 mm
Stenoplax corrugata (P.P. Carpenter in H.A. Pilsbry, 1892) Costa Rica13 mm
Allochiton costulatus (FOSSIL) Fucini, 1912 † Italy, Sicily
Tripoplax cowani K.B. Clark, 2008
Ischnochiton crassus P. Kaas, 1985
Lepidozona craticulata (A.A. Gould, 1859)
Ischnochiton crebristriatus L.C. Cochran, 1988
Lepidozona crockeri (G. Willett in L.G. Hertlein& A.M. Strong, 1951) Mexico, Baja California Sur, La Paz
Lepidozona culliereti (A. de Rochebrune, 1889)