Zebittium tenuicordatum (FOSSIL) C.R. Laws, 1940 †
Colina tenuis (FOSSIL) (G.P. Deshayes, 1833 †)
Bittium tenuispina (FOSSIL) Sorgenfrei, 1958 †
Cerithium tenuistriatum (FOSSIL) Melleville, 1843 †
Hemicerithium terebrale (FOSSIL) (J.B.P.A. Lamarck,1804 †)
Cerithium teschi (FOSSIL) Martin, 1917 †
Clypeomorus tesselatus (G.B. II Sowerby, 1855)
Taxonia tesserata (FOSSIL) J. Marwick, 1948 †
Cerithium thoas (FOSSIL) White, 1887 †
Cerithium tinkeri (FOSSIL) C.J. Maury, 1912 †
Clypeomorus tjilonganensis (FOSSIL) (K. Martin, 1899 †)
Bittium tokudai (FOSSIL) M. Yokoyama, 1930 †
Cerithium torresi E.A. Smith, 1884
Cerithium torulosum (C. Linnaeus, 1767)
Cerithium totiumsanctorum (FOSSIL) White, 1885 †
Cerithium traillii Sowerby, 1855
Bittium transenne (FOSSIL) J.F. Bayan, 1873 †
Cerithium travancorense (FOSSIL) A. Dey, 1961 †
Ptychocerithium tricingulatum (FOSSIL) E.W. Vredenburg, 1928 †
Cerithium trinchinopolitense E. Forbes, 1846
Cerithium triticium (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Bittium trochiforme (G.B. II Sowerby, 1855)
Cerithium tuberculatum (C. Linnaeus, 1767)
Serratocerithium tuberculosum (FOSSIL) (J.B.P.A. Lamarck,1804 †)
Gourmya tuberosa (FOSSIL) (J.P.S. Grateloup,1847 †)
Bittium tumidum P. Bartsch, 1907
Caloosalba turbatrix (FOSSIL) R.C. Hoerle, 1972 †
Cerithioclava turricula (FOSSIL) E.J. Petuch, 1994 †
Bittium turriculum (G.W. Nowell-Usticke,1969)
Alabina turrita (P.P. Carpenter, 1866)
Bittium turritellare (FOSSIL) F. Haas, 1953 †
Ptychocerithium turritoplicatum (FOSSIL) F. Sacco, 1905 †
Cerithium uncinatum (J.F. Gmelin, 1791)
Cerithium uniseriale (FOSSIL) Sowerby, 1849 †
Rhinoclavis unisulcatus (FOSSIL) (J.B.P.A. Lamarck,1804 †)