Ancilla castanea (G.B. I Sowerby, 1830)
Turrancilla chinenensis (FOSSIL) F.S. MacNeil, 1960 †
Ancilla chipolana (FOSSIL) W.H. Dall, 1900 †
Ancilla chrysoma R.N. Kilburn, 1981
Amalda cincta (FOSSIL) (P. Marshall, 1918 †)
Amalda cingulata (FOSSIL) (Olson, 1956 †)
Ancillista cingulata (G.B. I Sowerby, 1830)
Ancilla cinnamomea J.B.P.A. Lamarck, 1801
Amalda coccinata R.N. Kilburn, 1980
Amalda coenobium T. Ninomiya, 1991
Amalda colemani T. Ninomiya, 1991
Olivula colombiana (FOSSIL) Clark & J.W. Durham,1946 †
Amalda concinna T. Ninomiya, 1990
Ancilla conoidea (FOSSIL) G.J. De Cristofori& G. Jan, 1832 †
Ancilla constantinensis (FOSSIL) A.E.M. Cossmann & G. Pissarro †,
Amalda contusa (L.A. Reeve, 1864)
Amalda coriolis R.N. Kilburn & P. Bouchet,1988
Ancilla cretacea (FOSSIL) J. Müller, 1851 †
Amalda crosnieri R.N. Kilburn, 1977
Amalda cupedula R.N. Kilburn, 1993
Alocospira cuppedia (FOSSIL) (Olson, 1956 †)
Amalda custodiensis (FOSSIL) J.M. Pacaud, D. Merle& Pons, 2013 †
Amalda danilai R.N. Kilburn, 1996
Amalda decipiens (G.B. III Sowerby, 1897)
Ancillista depontesi R.N. Kilburn, 1998
Amalda depressa (G.B. II Sowerby, 1859)
Ancilla digitalis (FOSSIL) A. von Koenen, 1889 †
Micrancilla dilatata (FOSSIL) (A.E.M. Cossmann, 1886 †)
Amalda dimidiata (G.B. II Sowerby, 1859)
Ancilla djiboutina (F.P. Jousseaume, 1894)
Ancilla douvillei (FOSSIL) (Vasseur, 1881 †)
Ancilla dubia (FOSSIL) G.P. Deshayes, 1830 †
Amalda dyspetes (T. Iredale, 1924)
Ancilla eburnea (G.P. Deshayes, 1830)
Ancilla eburnea striolata (G.B. II Sowerby, 1859)