Anachis teophania (P.L. Duclos, 1846)
Anachis terebralis (FOSSIL) (J.P.S. Grateloup,1834 †)
Anachis terpsichore (J. de C. Sowerby, 1822)
Columbella testina P.L. Duclos, 1840
Pardalinops testudinaria (J.H.F. Link, 1807)
Nassarina thetys P.M.S. Costa & R.S. Absalão,1998
Mitrella thiara (FOSSIL) (G.B. Brocchi, 1814 †)
Parviterebra thyraea (J.C. Melvill & R. Standen,1897)
Steironepion tincta (P.P. Carpenter, 1864)
Retizafra toreuma (FOSSIL) P.A. Maxwell, 1988 †
Zafrona tortugana E.F. Garcia, 2015
Mitrella tosatoi D. Monsecour & D. Monsecour,2006
Zafra townsendi (J.C. Melvill & R. Standen,1901)
Mitrella transiens (FOSSIL) L.M.D. Bellardi, 1890 †
Paxula transitans (R. Murdoch, 1905)
Anachis treva (F.C. Baker, G.D. Hanna& A.M. Strong, 1939)
Zafrona trifilosa (E.A. Smith, 1882)
Parviterebra trilineata (A. Adams & G.F. Angas,1863)
Mitrella trivialis K. Monsecour & D. Monsecour,2016
Zafra troglodytes (S.M. Souverbie in S.M. Souverbie& R.P. Montrouzier, 1866)
Mitrella tuberosa (P.P. Carpenter, 1865)
Sinaxila tumbezia (FOSSIL) (A.A. Olsson, 1932 †)
Mitrella turbita (P.L. Duclos, 1840)
Zemitrella turgida A.W.B. Powell, 1937
Mitrella turgidula (FOSSIL) (G.B. Brocchi, 1814 †)
Columbella turonensis (FOSSIL) C. Mayer, 1869 †
Columbella turonensis depressior (FOSSIL) M.A. Peyrot, 1924 †
Mitrella turriculata M. Yokoyama, 1922
Parviterebra turriformis J. Drivas & M. Jay, 1990
Cotonopsis turrita (G.B. I Sowerby, 1832)
Euplica turturina (J.B.P.A. Lamarck, 1822)
Mitrella tutata (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Zafra ulinganensis W.J. Sleurs, 1987
Microcithara uncinata (G.B. I Sowerby, 1832)
Amphissa undata (P.P. Carpenter, 1864)