Liocallonia tacotacoensis C. de la Torre& P. Bartsch, 1972 Cuba
Bostrichocentrum tamaulipensis P. Bartsch, 1906 Tamaulipas, Mexico
Brachypodella tanamensis C. de la Torre& P. Bartsch, 1972 Cuba
Holospira tantalus P. Bartsch, 1906 USA
Microceramus tantalus C. de la Torre& P. Bartsch, 1972 Cuba
Coelocentrum tanydeira F.G. Thompson, 1968 Mexico, San Luis Potosì
Brachypodella tatei (J.C.H. Crosse, 1872) Saint Lucia
Ptychodonta telescopium F.G. Thompson& L.R. Correa-Sandoval, 1994 Mexico, Queretaro
Holospira temeroso H.A. Pilsbry, 1953 Zacatecas, Mexico
Spirostemma tenellum (C.B. Adams, 1849) Jamaica
Uncinicoptis tenericola C. de la Torre& P. Bartsch, 1972 Cuba
Teneria teneriensis (B.H. Wright in L. Pfeiffer, 1865) Cuba
Tetrentodon tenuicostata C. de la Torre& P. Bartsch, 1972 Cuba
Torrecoptis tenuisculpta C. de la Torre& P. Bartsch, 1972 Cuba
Tetrentodon tenuistriata C.G. Aguayo, 1932 Cuba
Microceramus tenuistriatus H.A. Pilsbry, 1913 Cuba
Holospira teotitlana P. Bartsch, 1945 Puebla, Mexico
Geminicoptis terebella (C. de la Torre, 1929) Cuba14 mm
Pineria terebra F. Poey, 1854 Cuba4,89 mm
Holospira teres (K.T. Menke, 1847) Puebla, Mexico
Gongylostomella terneroensis C. de la Torre& P. Bartsch, 1972 Cuba
Anoma tesselata (C.B. Adams, 1851) Jamaica
Holospira tetralasma H.A. Pilsbry, 1902 Mexico
Microceramus texanus H.A. Pilsbry, 1898 Texas
Tomelasmus thomsoni (R. Arango, 1884) Cuba
Tomelasmus thomsoni perezi C. de la Torre& P. Bartsch, 1972 Cuba
Coelocentrum tomacella (P.M.A. Morelet, 1849) Chiapas, Mexico
Holospira topochicoana P. Bartsch, 1926 Mexico, Nuevo León
Crossostephanus torosum F.G. Thompson, 1994 Tamaulipas, Mexico27,3 mm
Tomelasmus torquatus (P.M.A. Morelet, 1849) Cuba27 mm
Brachypodella torreana H.F. Ramsden, 1914 Cuba
Centralia torreana (H.A. Pilsbry, 1929) Cuba
Liocallonia torrebartschi Herrera-Uria & Espinosa,2016
Holospira torrei H.A. Pilsbry, 1935 Cuba
Macroceramus torrei H.A. Pilsbry, 1930 Cuba13,4 mm