Telophaedusa tetsui (O. Böttger& P.B. Schmacker, 1894) China, HuBei26,7 mm
Hemiphaedusoides thaleroptyx (O.F. von Möllendorff,1882) China, Guangxi province20 mm
Macedonica thasia H. Nordsieck, 1977 Greece, Thassos22 mm
Hemiphaedusa thatkheana (A.R.J.B. Bavay& P. Dautzenberg, 1899) Vietnam22,6 mm
Hemiphaedusa thatkheana splendida H. Nordsieck, 2011 Vietnam27 mm
Triloba thaumasia (R. Sturany, 1907) Macedonia
Triloba thaumasia faueri H. Nordsieck, 1972 Macedonia20 mm
Triloba thaumasia korabensis (A.J. Wagner, 1919) Macedonia18,1 mm
Triloba thaumasia talevi I. Dedov & E. Neubert,2002 Macedonia19,2 mm
Parazaptyx thaumatopoma (H.A. Pilsbry, 1905) Okinawa
Clausilia thaumatostoma Y. Hirase, 1957 Japan
Phaedusa theobaldi (W.T. Blanford, 1872) Myanmar
Isabellaria thermopylarum (L. Pfeiffer, 1850) Greece, Thermopylae20 mm
Isabellaria thermopylarum blanci (E.C. Von Martens, 1876) Greece14 mm
Isabellaria thermopylarum faueri (H. Nordsieck, 1974) Greece, Amphissa19,7 mm
Isabellaria thessalonica (H. Nordsieck, 1972) Greece15,3 mm
Isabellaria thessalonica crassilabra E. Neubert, 1993 Greece14 mm
Synprosphyma thibetiana (G.P. Deshayes, 1870) Tibet29,1 mm
Albinaria thiesseae (O. Böttger, 1880) Greece, Peloponnesus
Cyclonenia thompsoni H. Nordsieck, Nuebrick& F.G. Thompson, 2003
Oospira thrausta (F.E. Loosjes, 1953) Indonesia
Siciliaria tiberii (A. Schmidt, 1868) Italy, Sicily Island16 mm
Siciliaria tiberii scalettensis (J. Beckmann, 2004) Italy, Sicily Island17 mm
Formosana timalthea (E.R. Sykes, 1898) China16 mm
Montenegrina timeae Z. Eröss & M. Szekeres,2006 Albania22 mm
Phaedusa timorensis H. Nordsieck, 2007 Indonesia, Timor
Neniopsis tokunoshimaensis H. Minato, 1997
Montenegrina tomorosi R.A.M. Brandt, 1961 Albania
Montenegrina tomorosi ampla Z. Fehér & M. Szekeres,2006 Albania20 mm
Montenegrina tomorosi coerulescens H. Nordsieck, 1996 Albania16,8 mm
Montenegrina tomorosi hunyadii Z. Fehér & M. Szekeres,2006 Albania
Neniauchenia tonkinensis H. Nordsieck, 2010 Vietnam, Tonkin
Sericata torifera (O. Böttger, 1885) Greece, Thessalia13,5 mm
Albinaria torticollis (G.A. Olivier, 1801) Greece, Crete Island10,8 mm
Tyrannophaedusa tosaensis (H.A. Pilsbry, 1903) Japan, Kochi