Isotriphora tigrina M.R. Fernandes, A. Pimenta& J.H. Leal, 2013 Brazil, Trindade Island5,2 mm
Coriophora tigris (C.F. Laseron, 1958) Queensland
Coriophora torpedo (C.F. Laseron, 1958) Réunion
Nanaphora torquesa C.F. Laseron, 1958
Inella torticula (W.H. Dall, 1881) Mexico, Yucatan
Obesula tribulationis (C. Hedley, 1909) Australia, Coffs Harbour
Metaxia tricarinata (W.H. Pease, 1861) Hawaii6,2 mm
Opimaphora trichroma C.F. Laseron, 1958 Queensland
Viriola tricincta (R.W. Dunker, 1882) Japan, Wakayama10,4 mm
Isotriphora tricingulata E. Rolán& R. Fernández-Garcés, 2015
Similiphora triclotae P. Bouchet, 1997 Italy, Cannizzaro7 mm
Mastonia tricolor F.P. Jousseaume, 1884 New Caledonia
Nanaphora tricolor C.F. Laseron, 1958 Philippines, Olango Island3 mm
Triphora triforis (FOSSIL) Orbigny, 1850 † France, Paris Basin
Inella triserialis (W.H. Dall, 1881) Florida
Triphora tristis R.B. Hinds, 1843
Nanaphora triticea (W.H. Pease, 1861) Indo-Pacific4,5 mm
Mastonia troglodytes (R.P.J. Hervier, 1898) Hawaii3 mm
Aclophora tropica C.F. Laseron, 1958 Northern Territory
Viriola truncata B.A. Marshall, 1983 Western Australia
Monophorus truncatula (O.F. Müller, 1774)
Nanaphora truncis C.F. Laseron, 1958 Hawaii
Coriophora tryoni (C.K. Chang & W.L. Wu,2005)
Triphora tuberculata W.H. Pease, 1871 Hawaii5,3 mm
Iniforis tuberia C.F. Laseron, 1958 Christmas Island
Triphora tubifera K.H.J. Thiele, 1925
Monophorus tubularis (C.F. Laseron, 1958) Philippines, Mactan Island3,8 mm
Mastonia tulipa F.P. Jousseaume, 1898 Yemen, Aden
Obesula turricula (R.P.J. Hervier, 1898) New Caledonia, Lifou5,4 mm
Iniforis turristhomae (H.S. Holten, 1802) Panama East6 mm
Seilarex turritelliformis (G.F. Angas, 1877) New South Wales
Triphora turtlebayensis E. Rolán & Y.C. Lee, 2008 Bermuda
Mastonia undata (S. Kosuge, 1962) New Caledonia4,6 mm
Inella undebermuda E. Rolán & H.G. Lee, 2008
Nototriphora unicarinata B.A. Marshall, 1983 New South Wales