Glessula subserena (R.H. Beddome, 1906) India, Cuddalore
Xerocerastus subteres (O. Böttger, 1910) Namibia10 mm
Chilonopsis subtruncatus E.A. Smith, 1892
Glessula subulata Budha & Naggs, 2017
Oreohomorus subuliacea Unknown Zaire16 mm
Obeliscus subuliformis (S. Moricand, 1836) Brazil, Bahia
Curvella subvirescens (E.A. Smith, 1890)
Subulina sulcata L. Pfeiffer, 1881 Zaire16 mm
Obeliscus sulcatus Adams, 1855 French Polynesia, Tahiti
Glessula sumatrana E.C. Von Martens, 1864 Indonesia, Sumatra7,5 mm
Obeliscus swiftianus (L. Pfeiffer, 1852) Dominican Republic13 mm
Obeliscus sylvaticus (J.B. von Spix, 1827) Brazil46 mm
Glessula tamakoshi Budha & Backeljau, 2017
Lamellaxis tamaulipensis (H.A. Pilsbry, 1903) Mexico, San Luis Potosì
Glessula tenuispira (W.H. Benson, 1856) Myanmar
Stenogyra terebraster (J.B.P.A. Lamarck, 1822) Puerto Rico25,1 mm
Obeliscus teres F. Haas, 1949
Kempioconcha terrulenta (P.M.A. Morelet, 1883)
Obeliscus tessellatus A. Adams, 1855 Philippines, Masbate Island
Ischnocion tetraplax Barrientos, 1996
Glessula textilis (W.T. Blanford, 1866) India, Cuddalore
Pseudopeas thysvillense H.A. Pilsbry, 1919 Congo
Curvella thysvillensis H.A. Pilsbry, 1919 Congo
Curvella tonkiniana S.G.A. Jaeckel, 1950 Vietnam, Tonkin
Opeas tonkinorum J.F. Mabille, 1889 Vietnam, Tonkin16,8 mm
Glessula tornensis W.T. Blanford India, Deccan25 mm
Opeas toroense M. Connolly, 1923
Obeliscus toussaintianus (H.A. Pilsbry, 1908)
Dysopeas translucidum (F.C. Baker, 1927) Venezuela
Glessula tribhuvana Budha, 2017
Vegrandinia trindadensis (A.S.H. Breure& A.C. dos Santos Coelho, 1976) Brazil, Trindade Island
Ischnocion triptyx (H.A. Pilsbry, 1908) Colombia
Opeas tsiveryi K.C. Emberton& T.A. Pearce, 2000
Eremopeas tuckeri (L. Pfeiffer, 1846) Australia, Miriam Vale6 mm
Euonyma tugelensis (J.C. Melvill& J.H. Ponsonby, 1897) South Africa, Zululand