Eucithara crystallina (R.P.J. Hervier, 1897) New Caledonia, Lifou
Belalora cunninghami (E.A. Smith, 1881) Argentina, Tierra del Fuego9 mm
Platycythara curta (W.H. Dall, 1919) Pacific Panama
Guraleus cuspis (G.B. III Sowerby, 1896) South Australia
Gingicithara cylindrica (L.A. Reeve, 1846) Philippines, Olango Island17,3 mm
Kurtzina cymatias (H.A. Pilsbry& H.N. Lowe, 1932) Mexico
Ithycythara cymella (W.H. Dall, 1889) Florida
Kurtzina cyrene (W.H. Dall, 1919) Bahamas5,5 mm
Cryoturris daidalea (FOSSIL) J. Gardner, 1937 † Florida, Alum Bluff formation
Pyrgocythara danae (W.H. Dall, 1919) Mexico, Baja California3,3 mm
Pseudorhaphitoma darnleyi (J.W. Brazier, 1876) Australia, Torres Strait
Brachycythara dasa (FOSSIL) J. Gardner, 1937 † Florida, Alum Bluff formation
Lorabela davisi (C. Hedley, 1916) Antarctica, Victoria Land
Eucithara dealbata (R.P.J. Hervier, 1897) Réunion6 mm
Eucithara debilis (W.H. Pease, 1868) Tuamotu3,5 mm
Benthomangelia decapitata P. Bouchet & A. Warén,1980 France, Gascogne18,4 mm
Mangelia decaryi P. Dautzenberg, 1932
Antiguraleus deceptus (FOSSIL) A.W.B. Powell, 1942 † New Zealand
Neoguraleus deceptus (FOSSIL) A.W.B. Powell, 1942 † New Zealand
Mangelia decipiens E.A. Smith, 1888
Oenopota declivis (S.L. Lovén, 1846) Norway, Sorfiorden20 mm
Tenaturris decora (E.A. Smith, 1882) Curaçao Island4,7 mm
Bela decussata (É.A.A. Locard, 1892) Italy, Siracusa8 mm
Curtitoma decussata (J.P.Y. Couthouy, 1839) Norway, Trondheim Fjord10 mm
Eucithara decussata (W.H. Pease, 1868) Fiji Islands
Buchozia decussata (FOSSIL) (A.E.M. Cossmann, 1892 †) France, Brittany7 mm
Ithycythara defuniak (FOSSIL) J. Gardner, 1937 † Florida, Alum Bluff formation5,8 mm
Mangelia dejanira W.H. Dall, 1919
Eucithara delacouriana (J.C.H. Crosse, 1869) Philippines, Aliguay Island10,8 mm
Cacodaphnella delgada H.A. Pilsbry & H.N. Lowe,1932 Costa Rica7,1 mm
Curtitoma delicata (T.A. Okutani, 1964) Japan
Apitua delicatula C.F. Laseron, 1954 Australia, Sydney
Guraleus delicatulus (J.E. Tenison-Woods,1879) Tasmania
Eucithara deliciosa K.H. Barnard, 1959 South Africa, Natal6 mm
Pyrgocythara densestriata (C.B. Adams, 1850) Florida, Miami County