Bostryx birabeni M.I. Hylton-Scott, 1948
Bostryx bisculptus L. Pfeiffer, 1869
Bostryx bonneti C.M.F. Ancey, 1902
Bostryx borellii (C.M.F. Ancey, 1897)
Bostryx breurei J.F. Araya, 2015
Bostryx bromeliarum H.A. Pilsbry, 1930
Bostryx calchaquinus A. Doering, 1879
Bostryx calderaensis J.F. Araya, 2015
Bostryx carandaitiensis (H.B. Preston, 1907)
Bostryx carinatus A.S.H. Breure, 1978
Bostryx catamarcanus J.J. Parodíz, 1956
Bostryx ceratacme L. Pfeiffer, 1855
Bostryx ceroplasta H.A. Pilsbry, 1896
Bostryx chacoensis H.B. Preston, 1907
Bostryx chagualensis H.A. Pilsbry, 1932
Bostryx chusgonensis W.K. Weyrauch, 1960
Bostryx cicheroi M.I. Hylton-Scott, 1967
Bostryx circuliportus A.S.H. Breure, 1978
Bostryx claviformis F. Haas, 1951
Bostryx climacographus E.L. Holmberg, 1912
Bostryx coelhoi A.S.H. Breure, 1978
Bostryx coerulescens L. Pfeiffer, 1858
Bostryx cokerianus (W.H. Dall, 1909)
Bostryx columellaris L.A. Reeve, 1849
Bostryx compactus H.C. Fulton, 1901
Bostryx conspersus (G.B. I Sowerby, 1833)
Bostryx cordillerae P. von Ströbel, 1874
Bostryx costellatus M.I. Hylton-Scott, 1971
Bostryx cracentis A.S.H. Breure, 1978
Bostryx cremonthauma H.A. Pilsbry
Bostryx crucilineatus W.K. Weyrauch, 1967
Bostryx cunyacensis A.S.H. Breure, 1978
Bostryx cuspidatus P.M.A. Morelet, 1863
Bostryx cuyanus L. Pfeiffer, 1867
Bostryx delicatulus R.A. Philippi, 1867