Alvania butonensis (FOSSIL) C. Beets, 1942 †
Alvania cabrensis E. Rolán & J.M. Hernández,2007
Alvania caelata A. Adams, 1861
Rissoa callistrophia (FOSSIL) W.H. Dall, 1892 †
Crisilla callosa (A. Manzoni, 1868)
Alvania campanii M. Tisselli & L. Giunchi,2013
Alvania campta (W.H. Dall, 1927)
Alvania canariensis (A.V.M.D. D'Orbigny,1840)
Rissoa canariensis d'Orbigny, 1840
Alvania cancapae P. Bouchet & A. Warén,1993
Alvania cancellata (E.M. Da Costa, 1778)
Alvania cancellata cancellina É.A.A. Locard, 1892
Alvania cancellata laxa P. Dautzenberg & H. Fischer,1896
Alvania cancellata varicosa (M.E.J. Bucquoy, P. Dautzenberg& G.F. Dollfus, 1884)
Alvania cancellata venter (F. Nordsieck, 1972)
Merelina cancellata F. Criscione & W.F. Ponder,2011
Setia candida A. Adams, 1861
Rissoa candidata W.H. Turton, 1932
Onoba candidissima (W.H. Webster, 1905)
Onoba canfieldi W.H. Dall & P. Bartsch,1907
Alvania canonica (W.H. Dall, 1927)
Obtusella cantrainei F. Nordsieck, 1972
Rissoa capensis G.B. Sowerby, 1892
Alvania caporalii (FOSSIL) C. Chirli, 2006 †
Manzonia carboverdensis E. Rolán, 1987
Simulamerelina caribaea (A.V.M.D. D'Orbigny,1842)
Onoba caribu Güller & Zelaya, 2017
Alvania carinata (E.M. Da Costa, 1778)
Alvania carinata ecarinata T.A. de M. Monterosato,1884
Onoba carpenteri (H.C. Weinkauff, 1885)
Boreocingula castanea (H.P.C. Møller, 1842)
Manzonia castanea R.G. Moolenbeek& M.J. Faber, 1987
Onoba castanella (W.H. Dall, 1886)
Alvania cathyae (FOSSIL) Landau,Marquet & Grigis, 2003 †
Onoba centrola W.H. Dall & P. Bartsch,1909