Charopa caputspinulae (L.A. Reeve, 1852)
Cralopa carlessi J. Stanisic, 1990
Allodiscus cassandra (F.W. Hutton, 1883)
Climocella cavelliaformis J.F. Goulstone, 1996
Flammulina cebriflammis (L. Pfeiffer, 1853)
Therasiella celinde (J.E. Gray, 1850)
Pernastela charon T. Iredale, 1944
Fectola charopiformis (N.W. Gardner, 1967)
Thalassohelix chathamensis (H.H. Suter, 1909)
Rhytidopsis chelonites (J.C.H. Crosse, 1868)
Allodiscus chion E.R. Sykes, 1896
Flammulina chiron (J.E. Gray, 1850)
Paracharopa chrysaugeia (W.H. Webster, 1904)
Gyrocochlea cinnamea (C. Hedley, 1912)
Ruthvenia clathratula (L. Pfeiffer, 1850)
Ruthvenia clathratuloides (G.P.L.K. Gude, 1897)
Trachycystis clifdeni M. Connolly, 1932
Allodiscus climoi B.A. Marshall & G.M. Barker,2008
Egilomen cochlidium (J.C. Cox, 1868)
Cavellia colensoi (H.H. Suter, 1890)
Cralopa colliveri C.J. Gabriel, 1947
Rhophodon colmani J. Stanisic, 1990
Charopa coma (J.E. Gray, 1843)
Reticulapex compactus K.C. Emberton & T.A. Pearce,2000
Flammoconcha compressivoluta (L.A. Reeve, 1852)
Biomphalopa concinna (C. Hedley, 1924)
Gyrocochlea conferta C. Hedley, 1924
Roblinella conjuncta T. Iredale, 1941
Afrodonta connollyi G.A. Solem, 1970
Allodiscus conopeus B.A. Marshall & G.M. Barker,2008
Rhophodon consobrinus C. Hedley, 1924
Ranfurlya constanceae H.H. Suter, 1903
Letomola contortus (C. Hedley, 1924)
Phenacohelix conulus (W.T. Blanford, 1865)
Gyrocochlea convoluta C. Hedley, 1924