Notopeplum translucidum (J.C. Verco, 1896)
Cymbiola transverseplicata (FOSSIL) (A. Pannekoek, 1936 †)
Enaeta trechmanni (FOSSIL) P.O. Jung, 1971 †
Scaphella trenholmii (FOSSIL) M. Tuomey & Holmes,1857 †
Voluta trichinopolitensis (FOSSIL) E. Forbes, 1846 †
Nannamoria trionyma (FOSSIL) T.A. Darragh, 1988 †
Palaeomelon triplicata (FOSSIL) (Sowerby, 1846 †)
Alcithoe triregensis P. Bail & A. Limpus, 2005
Athleta trisulcata (FOSSIL) (G.P. Deshayes, 1835 †)
Cymbium tritonis (W.J. Broderip, 1830)
Palaeomelon tucapeli (FOSSIL) C. Nielsen& D. Frassinetti, 2007 †
Lyria tulearensis (R. von Cosel & M. Blöcher,1977)
Lyria tumida (FOSSIL) (A. von Koenen, 1909 †)
Teremelon tumidior (FOSSIL) (Finlay, 1926 †)
Caricella turboides (FOSSIL) Garvie, 2013 †
Miomelon turnerae R.K. Dell, 1990
Amoria turneri (J.E. Gray in E. Griffith& E. Pidgeon, 1834)
Amoria turneri newmanae B.C. Cotton, 1949
Alcithoe turrita (FOSSIL) (H.H. Suter, 1917 †)
Scaphella typus (FOSSIL) T.A. Conrad, 1866 †
Melo umbilicatus W.J. Broderipin G.B. I Sowerby, 1826
Voluta uncifera (FOSSIL) R. Tate, 1889 †
Amoria undulata (J.B.P.A. Lamarck,, 1804)
Amoria undulata angasii (G.B. II Sowerby, 1864)
Amoria undulata kingi J.C. Cox, 1871
Amoria undulata moslemica (C. Hedley, 1912)
Amoria undulata sclateri (J.C. Cox, 1869)
Alcithoe uptonensis (FOSSIL) L. C. King, 1934 †
Adelomelon valdesiense (FOSSIL) Scarabino & al., 2004 †
Leptoscapha variculosa (FOSSIL) (J.B.P.A. Lamarck,1803 †)
Lyria vaughani (FOSSIL) Cooke, 1919 †
Voluta vautrini (FOSSIL) P.O. Jung, 1965 †
Lyria vegai W.J. Clench & H. Turner,1967
Callipara veldsmani (S.G. Veldsman, 2012)
Scaphella veliocassina (FOSSIL) J.M. Pacaud & Meyer,2014 †