Diplommatina subglaber kakusana J.J. Vermeulen, 1996 Malaysia, Borneo
Diplommatina subglaber subisensis (J.J. Vermeulen, 1993) Malaysia, Borneo
Nicida subovata (R.H. Beddome, 1875) India, Maharashtra
Diplommatina subtilis H.H. Godwin-Austen& G. Nevill, 1892 India, Naga Hills
Opisthostoma sulcatum J.J. Vermeulen, 1994 Borneo, Sarawak
Pseudopalaina sulcicollis (O.F. von Möllendorff,1897) Indonesia, Java
Diplommatina sulphurea E.A. Smith, 1893 Borneo, Sarawak
Diplommatina superba H.H. Godwin-Austen& G. Nevill, 1879 Malaysia, Perak
Diplommatina supralamellata W.J.M. Maassen, 2007 Indonesia, Sulawesi
Diplommatina suratensis S. Panha & J.B. Burch,1998 Thailand, Southern Thailand2,3 mm
Diplommatina syabrubesiensis Budha & Backeljau, 2017
Diplommatina sykesi H.C. Fulton, 1901 Malaysia, Borneo2 mm
Palaina sykesi G.A. Solem, 1959 Vanuatu Island, New Hebrides2,9 mm
Arinia tablasensis (J.G. Hidalgo, 1888) Philippines, Romblon Island
Palaina taeniolata J.F. Quadras& O.F. von Möllendorff, 1894 Guam
Palaina taeniolata hyalina J.F. Quadras& O.F. von Möllendorff, 1894 Guam
Diplommatina taiwanica H.A. Pilsbry & Y. Hirase,1905 Taiwan2 mm
Diplommatina taiwanica camura H.A. Pilsbry & Y. Hirase,1905 Taiwan
Diplommatina tanegashimae H.A. Pilsbry, 1901 Ajiro, Ehime, Japan
Diplommatina tanegashimae kyushuensis H.A. Pilsbry & Y. Hirase,1904 Japan, Fukuoka
Diplommatina tantilla (A.A. Gould, 1859) China, Hubei Province2,7 mm
Diplommatina tayalis J.T. Kuroda, 1941 Japan
Opisthostoma telestoma J.J. Vermeulen, 1991 Malaysia, Sabah
Plectostoma tenggekensis T.S. Liew, J.J. Vermeulen& alias, 2014 Malaysia, Pahang
Diplommatina tenuilabiata H.C. Fulton, 1901 Malaysia, Borneo
Opisthostoma thersites W.S.S. Van Benthem-Jutting, 1952 Malaysia, Pahang
Diplommatina thompsoni H.H. Godwin-Austen, 1892 India, Nagaland
Diplommatina tiara J.J. Vermeulen, 1993 Malaysia, Borneo
Opisthostoma tiesenhanseni (E.A. Smith, 1894) Malaysia3,5 mm
Plectostoma tohchinyawi T.S. Liew, J.J. Vermeulen& alias, 2014 Malaysia, Pahang
Plectostoma tonkinianum (P. Dautzenberg& H. Fischer, 1905) Vietnam, Tonkin
Diplommatina toretos J.J. Vermeulen, 1993 Malaysia, Borneo
Diplommatina tosana H.A. Pilsbry & Y. Hirase,1904 Japan, Kochi
Diplommatina tosana goniobasis H.A. Pilsbry & Y. Hirase,1904 Japan, Tosa
Diplommatina tosanella H.A. Pilsbry & Y. Hirase,1904 Japan, Kochi