Melanella bryani H.A. Pilsbry, 1918
Pisolamia brychia (R.B. Watson, 1883)
Hypermastus bulbulus (R. Murdoch & H.H. Suter,1906)
Mucronalia bulimuloides W.H. Dall, 1927
Eulimostraca burragei (P. Bartsch, 1917)
Fuscapex cabiochi P. Bouchet & A. Warén,1986
Eulima caelata J.G. Jeffreys, 1870
Pulicicochlea calamaris W.F. Ponder & R.U. Gooding,1978
Melanella calkinsi (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Thyca callista (S.S. Berry, 1959)
Melanella callistemma W.H. Dall, 1927
Acrochalix callosa P. Bouchet & A. Warén,1986
Sticteulima cameroni C.F. Laseron, 1955
Eulima campyla R.B. Watson, 1883
Haliella canarica P. Bouchet & A. Warén,1986
Niso candidula A. Adams, 1854
Megadenus cantharelloides E.W. Humphreys& C.F. Lützen, 1972
Curveulima capensis (K.H.J. Thiele, 1915)
Eulima capillastericola P. Bartsch, 1909
Goodingia capillastericola (Y.S. Minichev, 1970)
Oceanida carforti J.F. Mabille& A. de Rochebrune, 1889
Curveulima carifa (P. Bartsch, 1915)
Scalenostoma carinatum G.P. Deshayes, 1863
Pyramidelloides carinatus (O.A.L. Mörch, 1876)
Parvioris carneola (A.A. Gould, 1861)
Eulima caroli W.H. Dall, 1889
Hemiaclis carolinensis (P. Bartsch, 1911)
Strombiformis caseyi (FOSSIL) McNeil, 1984 †
Hypermastus casta (A. Adams, 1861)
Fusceulima castanea (C.F. Laseron, 1955)
Pelseneeria castanea (W.H. Dall, 1925)
Melanella catalinensis P. Bartsch, 1917
Melanella caudata (FOSSIL) (Boettger †)
Stilifer celebensis W. Kükenthal, 1897
Robillardia cernica E.A. Smith, 1889