Diplommatina subglaber kakusana J.J. Vermeulen, 1996
Diplommatina subglaber subisensis (J.J. Vermeulen, 1993)
Nicida subovata (R.H. Beddome, 1875)
Diplommatina subtilis H.H. Godwin-Austen& G. Nevill, 1892
Opisthostoma sulcatum J.J. Vermeulen, 1994
Pseudopalaina sulcicollis (O.F. von Möllendorff,1897)
Diplommatina sulphurea E.A. Smith, 1893
Diplommatina superba H.H. Godwin-Austen& G. Nevill, 1879
Diplommatina supralamellata W.J.M. Maassen, 2007
Diplommatina suratensis S. Panha & J.B. Burch,1998
Diplommatina syabrubesiensis Budha & Backeljau, 2017
Diplommatina sykesi H.C. Fulton, 1901
Palaina sykesi G.A. Solem, 1959
Arinia tablasensis (J.G. Hidalgo, 1888)
Palaina taeniolata J.F. Quadras& O.F. von Möllendorff, 1894
Palaina taeniolata hyalina J.F. Quadras& O.F. von Möllendorff, 1894
Diplommatina taiwanica H.A. Pilsbry & Y. Hirase,1905
Diplommatina taiwanica camura H.A. Pilsbry & Y. Hirase,1905
Diplommatina tanegashimae H.A. Pilsbry, 1901
Diplommatina tanegashimae kyushuensis H.A. Pilsbry & Y. Hirase,1904
Diplommatina tantilla (A.A. Gould, 1859)
Diplommatina tayalis J.T. Kuroda, 1941
Opisthostoma telestoma J.J. Vermeulen, 1991
Plectostoma tenggekensis T.S. Liew, J.J. Vermeulen& alias, 2014
Diplommatina tenuilabiata H.C. Fulton, 1901
Opisthostoma thersites W.S.S. Van Benthem-Jutting,1952
Diplommatina thompsoni H.H. Godwin-Austen, 1892
Diplommatina tiara J.J. Vermeulen, 1993
Opisthostoma tiesenhanseni (E.A. Smith, 1894)
Plectostoma tohchinyawi T.S. Liew, J.J. Vermeulen& alias, 2014
Plectostoma tonkinianum (P. Dautzenberg& H. Fischer, 1905)
Diplommatina toretos J.J. Vermeulen, 1993
Diplommatina tosana H.A. Pilsbry & Y. Hirase,1904
Diplommatina tosana goniobasis H.A. Pilsbry & Y. Hirase,1904
Diplommatina tosanella H.A. Pilsbry & Y. Hirase,1904