Cerithideopsilla caiyingyai (Z.X. Qian, Y. Fang& J. He, 2013) China, Guangdong45,9 mm
Tympanotonos calcaratus (FOSSIL) A. Brongniart, 1823 † Bulgaria, Haskovo, Ivaylovgrad
Cerithideopsis californica (S.S. Haldeman, 1840) USA, California22 mm
Vicarya callosa (FOSSIL) B.W. Jenkins, 1864 † Indonesia
Vicarya callosa japonica (FOSSIL) Yabe & K.M. Hatai, 1938 † Japan, Ishikawa
Pirenella cancellata T. Ozawa & D.G. Reid,2016
Potamides cancelloides (FOSSIL) T.H. Aldrich, 1911 † USA, Georgia, Brantley
Potamides caobasensis (FOSSIL) H.A. Pilsbry, 1910 † Haiti, Nord
Potamides carezi (FOSSIL) (Vasseur, 1881 †) France, Brittany
Cerithidea charbonnieri (S.A.A. Petit De La Saussaye, 1851) Malaysia, Borneo39,4 mm
Cerithideopsilla cheribonensis (FOSSIL) (Martin, 1906 †) Indonesia, Jawa Tengah, Wonosobo
Potamides chira (FOSSIL) A.A. Olsson, 1931 † Peru, Chira Valley
Potamides cinctus (FOSSIL) (J.G. Bruguière, 1792 †) France, Aquitaine66 mm
Pirenella cinerascens G.B. Sowerby, 1855 Greece, Saranikos17,9 mm
Cerithideopsilla cingulata (J.F. Gmelin, 1791) Taiwan Strait26 mm
Exechestoma collaterale (FOSSIL) (G.P. Deshayes, 1833 †) France, Paris Basin
Bittiscala communis (FOSSIL) Finlay & J. Marwick,1937 †
Tympanotonos conarius (FOSSIL) J.F. Bayan, 1873 † France, Paris Basin
Pirenella confusa (FOSSIL) A.E.M. Cossmann, 1919 † France, Brittany
Potamides conicus (H.M.D. de Blainville,1829) Italy, Trapani18,6 mm
Potamides conicus caillaudi V.L.V. Potiez& A. Michaud, 1838 Red Sea, Jeddah6,6 mm
Potamides conicus cinerascens P.S. Pallas Greece, Saronicos Gulf
Potamides conicus pleuretana F.J. Cantraine, 1835 Greece, Loutraki12 mm
Potamides conicus tricolor P.M. Pallary, 1904 Greece, Saronikos16 mm
Tympanotonos conjunctus (FOSSIL) A.E.M. Cossmann, 1906 † Germany, Rheinland-Pfalz
Pyrazus consobrinus (FOSSIL) Powell & J.A. Bartrum,1929 †
Tympanotonos conulus (FOSSIL) (J.G. Bruguière, 1792 †) France, Paris Basin42 mm
Tympanotonos cordieri (FOSSIL) G.P. Deshayes, 1833 † France, Paris Basin
Potamides corrugatum (FOSSIL) A. Brongniart, 1825 †
Exechestoma cossmani (FOSSIL) R.B. Newton, 1922 † Nigeria, Akwa Ibom, Ika
Cerithideopsis costata (E.M. Da Costa, 1778) Madagascar16 mm
Cerithideopsis costata turrita (R.E.C. Stearns, 1873) Florida, Tampa10 mm
Tympanotonos cowickeensis (FOSSIL) H.C.F. Schumacher, 1817 †
Potamides crassituberosus (FOSSIL) A.E.M. Cossmann& G. Pissarro, 1900 † France, Normandy
Potamides cristatus (FOSSIL) (J.B.P.A. Lamarck,1804 †) France, Paris Basin41 mm