Ischnochiton boninensis J.R.M. Bergenhayn, 1933
Ischnochiton boninensis zebrinus J.R.M. Bergenhayn, 1933
Stenoplax boogii (A. Haddon, 1886)
Ischnochiton bouryi C. Dupuis, 1917
Connexochiton bromleyi (A. Ferreira, 1985)
Ischnochiton broomensis (E.A. Ashby & B.C. Cotton,1934)
Heterochiton buccai (FOSSIL) Fucini, 1912 †
Ischnochiton caliginosus (L.A. Reeve, 1847)
Tripoplax calypso K.B. Clark, 2008
Ischnochiton carinulatus (L.A. Reeve, 1847)
Ischnochiton cariosus (P.P. Carpenterin W.H. Dall, 1879)
Ischnochiton carolianus A. Ferreira, 1984
Ischnochiton cessaci (A. de Rochebrune, 1881)
Ischnochiton chaceorum P. Kaas & R.A. Van Belle,1990
Stenosemus chiversi A. Ferreira, 1981
Lepidozona christiaensi R.A. Van Belle, 1982
Stenoplax circumsenta S.S. Berry, 1956
Ischnochiton circumvallatus (L.A. Reeve, 1847)
Lepidozona clarionensis A. Ferreira, 1983
Lepidozona clathrata (L.A. Reeve, 1847)
Ischnochiton colubrifer (L.A. Reeve, 1848)
Heterochiton compressus (FOSSIL) (Scalia, 1903 †)
Ischnochiton comptus (A.A. Gould, 1859)
Stenoradsia conspicua (H.A. Pilsbry, 1892)
Ischnochiton contractus (L.A. Reeve, 1847)
Lepidozona cooperi (W.H. Dall,1879 ex Carpenter MS)
Lepidozona coreanica (L.A. Reeve, 1847)
Stenoplax corrugata (P.P. Carpenterin H.A. Pilsbry, 1892)
Allochiton costulatus (FOSSIL) Fucini, 1912 †
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)
Lepidozona culliereti (A. de Rochebrune, 1889)