Cystiscus caeruleus F. Boyer, 2003
Persicula calculus (J.H. Redfield, 1870)
Crithe caledonica F. Boyer, 2003
Persicula calhounensis (FOSSIL) C.J. Maury, 1910 †
Cystiscus camelopardalis F. Boyer, 2003
Persicula canaryensis (P.W. Clover, 1972)
Gibberula candida T. Cossignani, 2008
Gibberula caribetica J. Espinosa & J.A. Ortea,2002
Cystiscus carinifer A. Wakefield & T. McCleery,2005
Pachybathron cassidiforme J.S. Gaskoin, 1853
Gibberula catenata (G. Montagu, 1803)
Gibberula cavernicola J. Espinosa & J.A. Ortea,2007
Gibberula cavinae T. Cossignani & I. Perugia,2010
Gibberula celerae T. McCleery, 2008
Persicula cercadensis (FOSSIL) C.J. Maury, 1917 †
Gibberula cherubini (A.R.J.B. Bavay, 1922)
Gibberula chiarae L. Bozzetti & T. Cossignani,2009
Gibberula chondra (FOSSIL) J. Gardner, 1937 †
Persicula chrysomelina (J.H. Redfield, 1848)
Gibberula chudeaui (A.R.J.B. Bavayin P. Dautzenberg, 1910)
Gibberula cincta F. Boyer, 2003
Plesiocystiscus cinereus (F.P. Jousseaume, 1875)
Persicula cingulata (L.W. Dillwyn, 1817)
Gibberula colombiana F. Boyer, 2003
Gibberula columnella (A.R.J.B. Bavayin P. Dautzenberg, 1912)
Gibberula compressa (C.F. Laseron, 1957)
Fulgerca compressilirata (FOSSIL) N.F. Sohl, 1964 †
Gibberula conejoensis T. McCleery, 2008
Gibberula confusa S. Gofas, 1989
Cystiscus connectans (W.L. May, 1911)
Plesiocystiscus consanguineus (E.A. Smith, 1890)
Cystiscus cooverti F. Boyer, 2003
Persicula cordorae D. De Jong & H.E. Coomans,1998
Persicula cornea (J.B.P.A. Lamarck, 1822)
Crithe cossinea T. Cossignani, 1997