Emarginula connelli R.N. Kilburn, 1978 South Africa, Natal, Durban Bay10,1 mm
Scutus contractum (FOSSIL) A.E.M. Cossmann, 1903 † France, Brittany
Emarginula convexa C. Hedley, 1907 South Australia4 mm
Puncturella cooperi P.P. Carpenter, 1864 British Columbia, Vancouver Island
Emarginula coralliora (FOSSIL) Lundgren, 1867 † Denmark
Diodora corbicula (G.B. II Sowerby, 1862) Australia, Bowen
Puncturella corolla J.C. Verco, 1908 Australia, Brisbane33 mm
Scutus corrugatus (L.A. Reeve, 1842) Philippines, Samar Island51,9 mm
Fissurella costaria G.P. Deshayes, 1824
Emarginula costata (FOSSIL) J.B.P.A. Lamarck, 1802 † France, Brittany
Fissurella costata R.P. Lesson, 1831 Chile, Caldera90,1 mm
Emarginula costulata G.P. Deshayes, 1863 South Africa, Natal, Durban Bay6 mm
Emarginula crassa J. de C. Sowerby, 1813 Azores33 mm
Fissurella crassa J.B.P.A. Lamarck, 1822 Chile, Valparaiso70 mm
Emarginula crassicostata G.B. II Sowerby, 1863 Italy5 mm
Scutus crassiradiatum (FOSSIL) A.E.M. Cossmann, 1903 † France, Brittany
Montfortia cratitia (A. Adams, 1852) Papua New Guinea
Lucapinella crenifera (G.B. I Sowerby, 1835) Peru22 mm
Megathura crenulata (G.B. I Sowerby, 1825) California, San Diego County89,3 mm
Zeidora crepidula L.R.L. Simone& C.M. Cunha, 2014 Brazil, Abrolhos4,9 mm
Cornisepta crossei (P. Dautzenberg& H. Fischer, 1896) Ireland, Rockall trough5,5 mm
Diodora cruciata (A.A. Gould, 1846) Philippines, Balicasag Island17,5 mm
Diodora crucifera (H.A. Pilsbry, 1891) South Africa, Natal21,3 mm
Amblychilepas crucis (R.H. Beddome, 1882) Australia, Madura14 mm
Cranopsis cucullata (A.A. Gould, 1846) South Africa, Natal, Durban Bay13,3 mm
Emarginula cucullata C.B. Adams, 1851 Singapore
Fissurella cumingi L.A. Reeve, 1849 Chile, Coquimbo94 mm
Cranopsis cumingii (A. Adams, 1853) Philippines, Cebu11 mm
Fissurella cumingii L.A. Reeve, 1849 Chile, Calbuco56,4 mm
Hemitoma cumingii G.B. II Sowerby, 1863 Réunion
Puncturella curva A.N. Golikov& V.V. Gulbin, 1977 Japan
Emarginula curvamen T. Iredale, 1925 Tasmania
Emarginula curvata M.M. Schepman, 1908 Philippines, Balicasag Island7 mm
Macroschisma cuspidatum (A. Adams, 1851) Japan
Emarginula cuvieri J.V. Audouin, 1826 Red Sea