Exomilus compressus A.E. Fedosov& N. Puillandre, 2012 Vanuatu, Espiritu Santo3,2 mm
Daphnella compsa (R.B. Watson, 1881) Indo-Pacific
Daphnella concinna (R.W. Dunker, 1857) Samoa40 mm
Raphitoma concinna (A. Scacchi, 1836) Canary Islands, Lanzarote11 mm
Raphitoma concinna maderensis F. Nordsieck& F.F. Talavera, 1979 Canary Islands8,5 mm
Raphitoma conisimilis (FOSSIL) Harmer † UK, England, Suffolk
Pleurotomella contigua (FOSSIL) (Powell, 1944 †)
Raphitoma contigua (T.A. de M. Monterosato,1884) Italy, Palermo
Veprecula cooperi M.K. Mestayer, 1919 New Zealand, Plenty Bay
Daphnella corbicula (W.H. Dall, 1889) Florida11,7 mm
Raphitoma corbis (V.L.V. Potiez& A. Michaud, 1838) Spain
Daphnella corbula K.H.J. Thiele, 1925
Raphitoma cordieri (B.C.M. Payraudeau, 1826) Turkey, Bozcaada Island15 mm
Raphitoma corimbensis E. Rolán, J. Otero-Schmidt& F. Fernandes, 1998 Angola9,7 mm
Pleurotomella corrida W.H. Dall, 1927 America
Phymorhynchus coseli A. Warén & P. Bouchet,2009
Systenope cossmanni (FOSSIL) P.M.A. Morelet, 1946 † France, Picardie, Oise
Raphitoma costellata (FOSSIL) (J.B.P.A. Lamarck,1804 †) France, Paris Basin
Raphitoma costellata bicristata (FOSSIL) A.E.M. Cossmann& G. Pissarro, 1913 † France, Paris Basin16 mm
Pseudodaphnella crasselirata (R.P.J. Hervier, 1897) Queensland
Gymnobela crassilirata A.V. Sysoev, 1990 Naska & Sala-i-Gomes Ridges
Kermia crassula H.A. Rehder, 1980 Easter Island
Daphnella crebriplicata (L.A. Reeve, 1846)
Pseudodaphnella crypta A.E. Fedosov& N. Puillandre, 2012 Vanuatu, Espiritu Santo8 mm
Veprecula crystallina P. Stahlschmidt, M. Chino& R.N. Kilburn, 2012 Philippines, Bohol Island6,5 mm
Daphnella cubana J. Espinosa& R. Fernández-Garcés, 1990
Tritonoturris cumingii (W.L. Powys, 1835) Philippines, Cebu36 mm
Raphitoma curta A. Feneaux, 1942 Mediterranean Sea
Pleurotomella cuspidata (FOSSIL) (Chapple, 1934 †)
Raphitoma cylindracea (É.A.A. Locard& E. Caziot, 1900) Morocco, cap Cantin14,94 mm
Kermia cylindrica (W.H. Pease, 1860) Hawaii5 mm
Philbertia cylindrica (É.A.A. Locard& E. Caziot, 1898) Tunisia8 mm
Exomilus cylindricus C.F. Laseron, 1954 New South Wales
Eucyclotoma cymatodes (R.P.J. Hervier, 1897) Philippines, Panglao Island5 mm
Raphitoma cyrilli Š. Brusina, 1866