Asprella swainsoni (FOSSIL) L.W. Schaufuss 1869 †
Vituliconus swainsoni (J.C. Estival& R. von Cosel, 1986)
Africonus swinneni M.J. Tenorio, C.M.L. Afonso& al., 2014
Austroconus sydneyensis (G.B. III Sowerby, 1887)
Conus symmetricus (FOSSIL) Sandberger, 1862 †
Purpuriconus symmetricus (FOSSIL) (G.B. I Sowerby, 1850 †)
Purpuriconus symmetricus domingensis (FOSSIL) (Sowerby, 1849 †)
Purpuriconus symmetricus semiobsoletus (FOSSIL) (C.J. Maury, 1917 †)
Monteiroconus tabidus (L.A. Reeve, 1844)
Lautoconus tacomae (F. Boyer & J. Pelorce,2009)
Miliariconus taeniatus (C.H. Hwassin J.G. Bruguière, 1792)
Cylinder tagaroae L. Limpalaër & E. Monnier,2013
Conilithes tahuensis (FOSSIL) (R.S. Allan, 1926 †)
Conus talis (FOSSIL) P.O. Jung, 1965 †
Conus tapetus (FOSSIL) R.C. Hoerle, 1976 †
Conus taphrus (FOSSIL) W.P. Woodring, 1970 †
Profundiconus tarava (M. Rabiller & G. Richard,2014)
Conus tarbellianus (FOSSIL) J.P.S. Grateloup, 1835 †
Lautoconus taslei (L.C. Kiener, 1850)
Conasprella tayrona (E.J. Petuch, D.P. Berschauer& Poremski, 2017)
Cylinder telatus (L.A. Reeve, 1848)
Cylinder telatus rugosus J. Lauer, 1988
Phasmoconus tenorioi (E. Monnier, A. Monteiro& L. Limpalaër, 2016)
Varioconus tenuilineatus E. Rolán & D. Röckel,2001
Leporiconus tenuistriatus (G.B. II Sowerby, 1858)
Africonus teodorae (E. Rolán & F. Fernandes,1990)
Profundiconus teramachii (J.T. Kuroda, 1956)
Virgiconus terebra (I. von Born, 1778)
Virgiconus terebra thomasi (FOSSIL) (G.B. III Sowerby,1881 †)
Pseudopterygia terryni (M.J. Tenorio & G.T. Poppe,2004)
Tesselliconus tessulatus (I. von Born, 1778)
Chelyconus testudinarius (FOSSIL) (W. Martini, 1773 †)
Virgiconus tethys E.J. Petuch & D.M. Sargent,2011
Conus textile (FOSSIL) L.M.D. Bellardi& O.G. Michelotti, 1841 †
Cylinder textile (C. Linnaeus, 1758)