Bostryx inaquosum A.S.H. Breure, 1978 Chile
Bostryx infundibuliformis J.C. Jay, 1848 Bolivia
Bostryx infundibulum H.A. Pilsbry, 1896 Peru17,3 mm
Bostryx infundibulum perforatus (F. Haas, 1951) Peru, Junin16 mm
Bostryx infundibulum umbilicatellus H.A. Pilsbry, 1896 Peru15 mm
Bostryx iocosensis (P. Dautzenberg, 1901) Peru13 mm
Bostryx ireneae J.F. Araya, 2015
Bostryx izozoensis J.J. Parodíz, 1947 Bolivia
Bostryx juana (A. Cousin, 1887) Ecuador19,1 mm
Bostryx kathiae A.S.H. Breure, 1978 Peru, Lima17,5 mm
Bostryx kugleri L. Forcart, 1954 Venezuela
Bostryx lemniscatus (G.P. Deshayes, 1838) Peru
Bostryx lentiformis A.S.H. Breure, 1978 Argentina
Bostryx lesueureanus (P.M.A. Morelet, 1860) Peru21 mm
Bostryx lichenum (H.H. Beck, 1837) South America
Bostryx limonoicus (A.V.M.D. D'Orbigny,1835) Bolivia15,8 mm
Bostryx llaucanensis W.K. Weyrauch Peru
Bostryx longinquus P.M.A. Morelet, 1863 Peru24 mm
Bostryx longispira W.K. Weyrauch, 1960 Peru, Lima
Bostryx louisae A.S.H. Breure, 1978 Peru15,59 mm
Bostryx luridus (L. Pfeiffer, 1863) Ecuador21,7 mm
Bostryx lychnorum (G.B. I Sowerby, 1838) South America
Bostryx martinezi M.I. Hylton-Scott, 1965 Argentina, Cordoba
Bostryx megomphalus H.A. Pilsbry, 1944 Peru, Huancavelica
Bostryx metagyra H.A. Pilsbry& A.A. Olsson, 1949 Peru7,1 mm
Bostryx modestus (W.J. Broderip, 1832) Peru, Lima26 mm
Bostryx modestus angelmaldonadoi W.K. Weyrauch, 1960 Peru, Lima12 mm
Bostryx moniezi P. Dautzenberg, 1896 Bolivia12,4 mm
Bostryx monticola A. Doering, 1879 Argentina13 mm
Bostryx mordani A.S.H. Breure, 1978 Peru, Lima22,5 mm
Bostryx multiconspectus A.S.H. Breure, 2008 Peru, Lima
Bostryx multilineatus A.S.H. Breure, 1978 Peru, Ancash29,5 mm
Bostryx multivolvis H.A. Pilsbry, 1944 Peru, Apurimac22 mm
Bostryx nigropileatus L.A. Reeve, 1849 Peru, Cajamarca22 mm
Bostryx obeliscus A. Zilch, 1954 Peru