Tholostoma incidata (C. Hedley, 1902) Northern Territory
Vitrinella inclinans K.H. Barnard, 1958 South Africa
Teinostoma inconspicua K.H.J. Thiele, 1925
Anticlimax infaceta F. Rubio & E. Rolán, 2014 Philippines, Bohol Island2,1 mm
Solariorbis infracarinatus W.M. Gabb, 1881 Belize
Adeorbella infraplicata (FOSSIL) (C.W. Johnson, 1899 †) USA, Mississippi
Episcynia inornata (A.V.M.D. D'Orbigny,1842) Brazil, Espirito Santo2,4 mm
Circulus inornatus (FOSSIL) P. Marshall, 1919 †
Circulus intermedius (FOSSIL) (G.P. Deshayes, 1862 †) France, Paris Basin
Parviturboides interruptus (C.B. Adams, 1850) Bahamas
Teinostoma invallatum P.P. Carpenter, 1864
Teinostoma involutum Hedley, 1902
Discopsis irregularis E. Rolán & F. Rubio, 2002 Guinea Bissau
Episcynia itanhura L.R.L. Simone, 2012 Brazil, Espirito Santo
Cyclostremiscus janus (C.B. Adams, 1852) West America
Uzumakiella japonica T. Habe, 1958 Japan
Tornus japonicus A. Adams, 1861 Japan
Cyclostremiscus jeannae H.A. Pilsbry& J.T.L. McGinty, 1946 Florida1,6 mm
Vitrinella jingguensis (FOSSIL) Pan, 1977 † China, Yunnan, Pu'er
Anticlimax juanae F. Rubio & E. Rolán, 2014 New Caledonia, Lifou2,5 mm
Tornus jullieni W. Adam & J. Knudsen,1969 Tunisia, Jerba Island2 mm
Discopsis jullieni (W. Adam & J. Knudsen,1969) West Africa
Tornus karamanensis (FOSSIL) B.M. Landau & al., 2013 † Turkey
Vitrinella kaykayae E. Rolán & J. Sellanes,2004 Chile, Concepcion
Circulus keralaensis (FOSSIL) M. Harzhauser, 2014 † India
Naricava kimberi (J.C. Verco, 1907) Australia, Sydney
Tornus kuemeli (FOSSIL) M. Harzhauser, 2002 † Austria, Niederösterreich, Korneuburg
Tornus laevicarinatus Hansson, 1985 Tunisia, Jerba Island
Pygmaeorota laevis (L.C. Kiener, 1844) Japan
Vitrinella laevis (FOSSIL) (O. Meyer, 1886 †) USA, Mississippi
Pleuromalaxis lamellifera (H.A. Rehder, 1934) Bahamas
Teinostoma lampetes H.A. Pilsbry& A.A. Olsson, 1952 Ecuador
Teinostoma ledoni (FOSSIL) Schnetler, 2001 † Denmark, SjC¦lland, Faxe
Tornus leloupi W. Adam & J. Knudsen,1969 West Africa
Teinostoma lens (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 † Ecuador, Manabi