Typhis tubifer (FOSSIL) (J.G. Bruguière, 1792 †)
Laevityphis tubuliger (K.H.J. Thiele, 1925)
Murexsul tulensis (G.E. Radwin & D'Attilio,1976)
Babelomurex tumidus (S. Kosuge, 1980)
Thalessa tumulosa (L.A. Reeve, 1846)
Semiricinula turbinoides (H.M.D. de Blainville,1832)
Coralliophila turneri (FOSSIL) C.R. Laws, 1941 †
Ecphora turneri (FOSSIL) E.J. Petuch, 1992 †
Hexaplex turonensis (FOSSIL) F. Dujardin, 1837 †
Hexaplex turonensis pontileviensis R. Tournouer, 1880
Trachypollia turricula (H. von Maltzan, 1884)
Coralliofusus turrita (G.B. III Sowerby, 1888)
Muricopsis turrita (FOSSIL) (S. Borson, 1821 †)
Purpura turrita (FOSSIL) Martin, 1879 †
Leptotrophon turritellatus R. Houart, 1995
Calotrophon turritus (W.H. Dall, 1919)
Chicomurex turschi (R. Houart, 1981)
Haustellum tweedianum (J.H. Macpherson, 1962)
Muricopsis typhioides (FOSSIL) (C. Mayer, 1869 †)
Poirieria typhoides (FOSSIL) (C. Mayer, 1869 †)
Lepsiella ukika (FOSSIL) Gordillo & C. Nielsen,2013 †
Rolandiella umbilicata (J.E. Tenison-Woods,1876)
Pterorytis umbrifer (FOSSIL) (T.A. Conrad, 1832 †)
Poropteron uncinaria (J.B.P.A. Lamarck, 1822)
Poropteron uncinaria capensis (G.B. I Sowerby, 1841)
Scabrotrophon undocostatus (A.N. Golikov& B.I. Sirenko, 1992)
Pterochelus undosus (E.H. Vokes, 1993)
Siphonochelus undulatus R. Houart, 1991
Concholepas unguis (FOSSIL) DeVries, 1995 †
Acanthina unicornis (J.G. Bruguière, 1789)
Siphonochelus unicornis R. Houart, 1991
Eupleura urbinai (FOSSIL) DeVries, 2005 †
Pradoxa urdambideli R. Houart & E. Rolán,2012
Morula uva (P.F. Röding, 1798)
Pagodula vaginata (G.J. De Cristofori& G. Jan, 1832)