Clavatula caerulea (H.C. Weinkauff in H.C. Weinkauff& W. Kobelt, 1875) Senegal, Dakar15 mm
Clavatula calcarata (FOSSIL) (J.P.S. Grateloup,1840 †) France, Aquitaine48 mm
Clavatula calcarata francisci (FOSSIL) F. Toula, 1910 † Turkey, Karaman77 mm
Clavatula camillae (FOSSIL) Hoenes & M. Auinger,1891 † Poland45 mm
Clavatula cancellata (FOSSIL) Sowerby, 1827 † UK, England, Norfolk
Clavatula capgrandi (FOSSIL) (R. Tournouer, 1874 †) France, Aquitaine30 mm
Clavatula capgrandi raouli (FOSSIL) M.A. Peyrot, 1931 † Turkey24 mm
Clavatula carinifera (FOSSIL) J.P.S. Grateloup, 1832 † France, Aquitaine67 mm
Clavatula carinulata (FOSSIL) F. Sacco, 1890 † Spain, Malaga22 mm
Surcula carpenteriana W.M. Gabb, 1865 California, Santa Monica Bay67 mm
Tropisurcula caseyi (FOSSIL) (T.H. Aldrich, 1903 † †) USA, Mississippi
Clavatula castanea J. Brown, 1827
Turricula catena (L.A. Reeve, 1843) Arab Emirates29 mm
Turricula catenata (FOSSIL) G.P. Deshayes, 1865 † France, Paris Basin
Turricula ceylonica (E.A. Smith, 1877) Sri Lanka
Clavatula chiriquiensis (FOSSIL) A.A. Olsson, 1922 †
Clavatula christianae F. Nolf, 2011 Gabon16,8 mm
Eodrillia cingula (FOSSIL) Garvie, 2013 † Texas, Bastrop County13,5 mm
Gemmuloborsonia clandestina N. Puillandre, Cruaud& Y.I. Kantor, 2010 Philippines, Luzon Island25,3 mm
Turricula coislinensis (FOSSIL) A.E.M. Cossmann, 1898 † France, Brittany11 mm
Clavatula colini H. von Maltzan, 1883 West Africa
Gemmuloborsonia colorata (A.V. Sysoev& P. Bouchet, 2001) Vanuatu Island, New Hebrides61,5 mm
Pusionella compacta H. Strebel, 1914 Angola22 mm
Clavatula compsa (FOSSIL) J. Gardner, 1937 † Florida, Alum Bluff formation26 mm
Clavatula concatenata (FOSSIL) (J.P.S. Grateloup,1832 †) France, Aquitaine40 mm
Clavatula concinnata (FOSSIL) Wood, 1848 † UK, England, Norfolk
Clionella confusa E.A. Smith, 1906 South Africa42 mm
Clavatula congoensis F. Nolf & J. Verstraeten,2008 Congo, Pointe Noire
Clivunella conica (FOSSIL) Gorjanovic-Kramberger,1923 †
Turricula consobrina (FOSSIL) L.M.D. Bellardi, 1877 † Hungary, Borsodbóta11 mm
Makiyamaia coreanica (A. Adams & L.A. Reeve,1850) China, Zhejiang52 mm
Makiyamaia coreanica okinavensis (FOSSIL) F.S. MacNeil, 1960 † Okinawa31 mm
Clavatula cornelliana (FOSSIL) A.A. Olsson, 1916 † USA, North Carolina, Bladen
Makiyamaia cornulabrum J.T. Kuroda, 1961
Clavatula coronata J.B.P.A. Lamarck, 1801 Togo