Pseudoguppya calverti (H.A. Pilsbry, 1920)
Advena campbelli (J.E. Gray, 1834)
Iredaleoconcha caporaphe H.B. Preston, 1913
Guppya capsula W.H. Dall, 1926
Habroconus cassiquiensis W. Newcomb
Microcystis castanea K.C. Emberton & T.A. Pearce,2000
Greenwoodoconcha castaneocincta (E.R. Sykes, 1900)
Microcystis celestinae K.C. Emberton& R.J. Griffiths, 2009
Philonesia chamissoi (L. Pfeiffer, 1855)
Habroconus championi (E.C. Von Martens, 1892)
Advena charon H.B. Preston, 1913
Euconulus chaunax H.A. Pilsbry
Euconulus cherinus (V. Sterki, 1893)
Euconulus chersinus (T. Say, 1821)
Euconulus chersinus polygyratus H.A. Pilsbry, 1889
Lamprocystis chlororaphe (E.A. Smith, 1893)
Philonesia cicercula (A.A. Gould, 1864)
Microcystis cincta L. Pfeiffer
Coneuplecta circumcincta (O.W.H. Reinhardt, 1883)
Tengchiena circumcincta (J.C. Cox, 1868)
Microcystis compacta K.C. Emberton & T.A. Pearce,2000
Pittoconcha concinna H.B. Preston, 1913
Microcystis congener H.B. Preston, 1913
Diastole conula W.H. Pease
Euconulus costatus H.A. Pilsbry & Y. Hirase,1905
Macroceras crespignyi (H.C. Higgins, 1868)
Philonesia cryptoportica (A.A. Gould, 1846)
Sabalimax cyanantyx S. Tillier & P. Bouchet,1988
Tengchiena cyrtochila (G.P.L.K. Gude, 1905)
Dryachloa dauca F.G. Thompson & Y.C. Lee,1980
Philonesia decepta H.B. Baker, 1940
Euconulus dentatus V. Sterki, 1893
Lamprocystis denticulata (J.F. Quadras& O.F. von Möllendorff, 1894)
Liardetia doliolium (L. Pfeiffer, 1846)
Coneuplecta duotecta J.T. Kuroda, 1953