Pseudobuliminus substramineus (A.R.J.B. Bavay& P. Dautzenberg, 1908)
Dolicheulota swinhoei (L. Pfeiffer, 1865)
Nesiohelix swinhoei (L. Pfeiffer, 1865)
Aegista tadai H. Minato, 1983
Chloraea tagolandensis (H. Rolle, 1910)
Aegista taiwanica Y. Hirase, 1941
Paraegista takahidei J.T. Kuroda & M. Azuma,1951
Pseudobuliminus takarai J.T. Kuroda, 1960
Euhadra takarajimana M. Azuma, 1985
Helicostyla tenera (G.B. I Sowerby, 1841)
Aegista tenerrima O.F. von Möllendorff,1899
Aegista tennissima H.A. Pilsbry & Y. Hirase,1908
Helicostyla tenuissimus (FOSSIL) Klipstein, 1843 †
Bradybaena tenuitesta (O.F. von Möllendorff,1899)
Chloraea thersites (W.J. Broderip, 1841)
Helicostyla ticaonica W.J. Broderip, 1841
Helicostyla ticaonica iloilona M. Smith, 1932
Helicostyla ticaonica modesta O.F. von Möllendorff,1898
Euhadra tokarainsula H. Minato & T. Habe, 1982
Aegista tokyoensis E. Sorita, 1980
Fruticicola tomyris W.A. Lindholm, 1927
Acusta tourannensis (L.F.A. Souleyet, 1842)
Acusta tourannensis rhodostoma (O.F. von Möllendorff,1884)
Bradybaena toyenmongaiensis H. Rolle, 1908
Helicostyla trailii (L. Pfeiffer, 1855)
Fruticicola transbaicalia A.A. Schileyko, 1978
Cathaica transilensis Y. Tzvetkov, 1940
Fruticicola transiliensis (Y. Tzvetkov, 1940)
Plectotropis trichotropis (L. Pfeiffer, 1850)
Plectotropis trichotropis laciniata (P.M. Heude, 1882)
Aegista trochula (C.B. Adams, 1868)
Laeocathaica tropidoraphe (O.F. von Möllendorff,1899)
Calocochlia tukanensis L. Pfeiffer, 1871
Aegista tumida G.P.L.K. Gude, 1901
Aegista tumida cavata H.A. Pilsbry, 1902