Charopa caputspinulae (L.A. Reeve, 1852) New Zealand, Auckland
Cralopa carlessi J. Stanisic, 1990 New South Wales
Allodiscus cassandra (F.W. Hutton, 1883) New Zealand, Three Kings Islands
Climocella cavelliaformis J.F. Goulstone, 1996 New Zealand, North Island
Flammulina cebriflammis (L. Pfeiffer, 1853)
Therasiella celinde (J.E. Gray, 1850) New Zealand
Pernastela charon T. Iredale, 1944 Australia, Lord Howe Island
Fectola charopiformis (N.W. Gardner, 1967) New Zealand, North Island
Thalassohelix chathamensis (H.H. Suter, 1909) New Zealand
Rhytidopsis chelonites (J.C.H. Crosse, 1868)
Allodiscus chion E.R. Sykes, 1896 New Zealand
Flammulina chiron (J.E. Gray, 1850) New Zealand, North Island
Paracharopa chrysaugeia (W.H. Webster, 1904) New Zealand, North Island
Gyrocochlea cinnamea (C. Hedley, 1912) Queensland
Ruthvenia clathratula (L. Pfeiffer, 1850) Sri Lanka
Ruthvenia clathratuloides (G.P.L.K. Gude, 1897) India, Western Ghats
Trachycystis clifdeni M. Connolly, 1932 South Africa, KwaZulu, Natal
Allodiscus climoi B.A. Marshall& G.M. Barker, 2008 New Zealand
Egilomen cochlidium (J.C. Cox, 1868) New South Wales
Cavellia colensoi (H.H. Suter, 1890) New Zealand, North Island
Cralopa colliveri C.J. Gabriel, 1947 Australia, Gippsland
Rhophodon colmani J. Stanisic, 1990 Australia, Cooloola1,6 mm
Charopa coma (J.E. Gray, 1843) New Zealand5 mm
Reticulapex compactus K.C. Emberton& T.A. Pearce, 2000 Madagascar, Tulear
Flammoconcha compressivoluta (L.A. Reeve, 1852) New Zealand
Biomphalopa concinna (C. Hedley, 1924) Queensland
Gyrocochlea conferta C. Hedley, 1924 New South Wales
Roblinella conjuncta T. Iredale, 1941 New South Wales
Afrodonta connollyi G.A. Solem, 1970 South Africa1,7 mm
Allodiscus conopeus B.A. Marshall& G.M. Barker, 2008 New Zealand
Rhophodon consobrinus C. Hedley, 1924 New South Wales
Ranfurlya constanceae H.H. Suter, 1903 New Zealand
Letomola contortus (C. Hedley, 1924) New South Wales
Phenacohelix conulus (W.T. Blanford, 1865) Malaysia, Borneo
Gyrocochlea convoluta C. Hedley, 1924 New South Wales