Bostryx bilineatus (G.B. I Sowerby, 1833) Ecuador13 mm
Bostryx binghami W.H. Dall, 1910 Peru, Rio Pampas
Bostryx birabeni M.I. Hylton-Scott, 1948 Argentina, Jujuy26,6 mm
Bostryx bisculptus L. Pfeiffer, 1869 Peru18 mm
Bostryx bonneti C.M.F. Ancey, 1902 Bolivia21,9 mm
Bostryx borellii (C.M.F. Ancey, 1897) Bolivia28,8 mm
Bostryx breurei J.F. Araya, 2015
Bostryx bromeliarum H.A. Pilsbry, 1930 Peru, Lima
Bostryx calchaquinus A. Doering, 1879 Argentina
Bostryx calderaensis J.F. Araya, 2015
Bostryx carandaitiensis (H.B. Preston, 1907) Bolivia32,1 mm
Bostryx carinatus A.S.H. Breure, 1978 Peru
Bostryx catamarcanus J.J. Parodíz, 1956 Argentina
Bostryx ceratacme L. Pfeiffer, 1855 Ecuador, Quito18 mm
Bostryx ceroplasta H.A. Pilsbry, 1896 Peru
Bostryx chacoensis H.B. Preston, 1907 Bolivia30,1 mm
Bostryx chagualensis H.A. Pilsbry, 1932 Peru, Chagual15 mm
Bostryx chusgonensis W.K. Weyrauch, 1960 Peru, La Libertad
Bostryx cicheroi M.I. Hylton-Scott, 1967 Argentina
Bostryx circuliportus A.S.H. Breure, 1978 Peru15 mm
Bostryx claviformis F. Haas, 1951 Peru
Bostryx climacographus E.L. Holmberg, 1912 Argentina
Bostryx coelhoi A.S.H. Breure, 1978 Peru
Bostryx coerulescens L. Pfeiffer, 1858 Peru, Cajamarca
Bostryx cokerianus (W.H. Dall, 1909) Peru, Independencia Bay
Bostryx columellaris L.A. Reeve, 1849 Peru9 mm
Bostryx compactus H.C. Fulton, 1901 Bolivia16 mm
Bostryx conspersus (G.B. I Sowerby, 1833) Peru, Lima15 mm
Bostryx cordillerae P. von Ströbel, 1874 Argentina
Bostryx costellatus M.I. Hylton-Scott, 1971 Argentina
Bostryx cracentis A.S.H. Breure, 1978 South America
Bostryx cremonthauma H.A. Pilsbry South America
Bostryx crucilineatus W.K. Weyrauch, 1967 Peru, Lima
Bostryx cunyacensis A.S.H. Breure, 1978 Peru, Apurimac26,8 mm
Bostryx cuspidatus P.M.A. Morelet, 1863 Peru