Emarginula suspira L.R.L. Simone & C.M. Cunha,2014
Tugali suteri (K.H.J. Thiele, 1916)
Lucapinella talanteia (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Diodora tanneri (A.E. Verrill, 1882)
Macroschisma tasmaniae G.B. II Sowerby, 1866
Zeidora tasmanica (R.H. Beddome, 1883)
Diodora tenebrosa (FOSSIL) T.A. Conrad, 1833 †
Emarginula tenera É.A.A. Locard, 1892
Emarginula tenuicostata G.B. II Sowerby, 1863
Fissurisepta tenuicula (W.H. Dall, 1927)
Emarginula teramachii T. Habe, 1953
Puncturella teramachii T. Kira & T. Habe, 1949
Emarginula textilis A.A. Gould, 1859
Emarginula thomasi J.C.H. Crosse, 1864
Emarginula thorektes R.N. Kilburn, 1978
Diodora ticaonica L.A. Reeve, 1850
Diodora tongana L.A. Reeve, 1850
Emarginula tosaensis T. Habe, 1953
Emarginula transenna (FOSSIL) (Tenison Woods, 1877 †)
Altrix trifolium (W.H. Dall, 1881)
Emarginula tropica (FOSSIL) N.E. Weisbord, 1962 †
Emarginula tuberculosa I. Libassi, 1859
Scutus turgidum (FOSSIL) A. von Koenen †
Cornisepta uirapa L.R.L. Simone & C.M. Cunha,2014
Clathrosepta undulata (T.A. Okutani, 1964)
Emarginula undulata J.C. Melvill & R. Standen,1903
Scutus unguis (C. Linnaeus, 1758)
Emarginula unicostata (FOSSIL) Seeley ex MS Gardner †
Balinula vaceki (FOSSIL) (Haber, 1932 †)
Emarginula vadanaei (FOSSIL) Toni, 1912 †
Scelidotoma vadososinuata (M. Yokoyama, 1922)
Fissurella vaillanti P. Fischer, 1865
Diodora varicosa (G.B. II Sowerby, 1862)
Diodora variegata (G.B. II Sowerby, 1862)
Variegemarginula variegata (A. Adams, 1852)