Crepitacella cepula (FOSSIL) (R.J.L. Guppy, 1866 †)
Rissoa cerasina Š. Brusina, 1865
Onoba cerinella W.H. Dall, 1887
Rissoa certa (FOSSIL) Svagrovský, 1971 †
Attenuata charassa (FOSSIL) (Finlay, 1924 †)
Benthonellania charope (J.C. Melvill & R. Standen,1901)
Merelina cheilostoma (J.E. Tenison-Woods,1877)
Pusillina chemnitzia (FOSSIL) (C.R. Laws, 1948 †)
Crisilla chiarellii (A. Cecalupo & P. Quadri,1995)
Alvania chilensis (FOSSIL) (R.A. Philippi, 1887 †)
Alvania chiriquiensis A.A. Olsson& J.T.L. McGinty, 1958
Rissoa chrysalida (FOSSIL) A.C. Chapman& C.J. Gabriel, 1914 †
Alvania cimex (C. Linnaeus, 1758)
Alvania cimex fasciata (R.A. Philippi, 1836)
Alvania cimex fusca R.A. Philippi, 1836
Alvania cimicoides (E. Forbes, 1844)
Rissoa cincta (FOSSIL) G.P. Deshayes, 1861 †
Alvania cingulata (R.A. Philippi, 1836)
Onoba cingulata (A.T. von Middendorff,1849)
Alvania cioppii (FOSSIL) C. Chirli, 2006 †
Alvania circinata A. Adams, 1861
Onoba clara Güller & Zelaya, 2017
Alvania clarae I. Nofroni & M. Pizzini,1991
Alvania clathratula A. Adams, 1861
Alvania clathrella (L. Seguenza, 1903)
Alvania claudioi G. Buzzurro & F. Landini,2007
Attenuata cochlearella (A.W.B. Powell, 1937)
Merelina cochleata A.W.B. Powell, 1937
Alvania colombiana Romer & R.C. Moore, 1988
Alvania colossophilus J.J. Oberling, 1970
Alvania colossophilus karpathoensis F. Nordsieck, 1972
Powellisetia comes (FOSSIL) (Finlay, 1926 †)
Obtusella communis (O. Böttger, 1906)
Alvania compacta (P.P. Carpenter, 1864)
Merelina compacta A.W.B. Powell, 1927