Striaticostatum bexarense (FOSSIL) (L.W. Stephenson, 1941 †)
Scalaria bezanconi (FOSSIL) A.E.M. Cossmann& A. Lambert, 1884 †
Opalia bicarinata (G.B. II Sowerby, 1844)
Epitonium bifasciatum T. Kira & T. Habe, 1962
Opalia billaudeli (FOSSIL) (C. Mayer, 1864 †)
Epidendrium billeeanum (H. DuShane & T. Bratcher,1965)
Nodiscala bimonilifera (FOSSIL) (O. Böttger, 1902 †)
Scalaria biserta (FOSSIL) Münster, 1841 †
Boreoscala blainei (W.J. Clench & H. Turner,1953)
Epitonium boettgeri H. von Maltzan, 1885
Rutelliscala bombyx R.N. Kilburn, 1985
Epitonium bonaespei (K.H. Barnard, 1963)
Cirsotrema bonum (J.C. Melvill, 1906)
Acirsa borealis (C. Lyell, 1841)
Opalia borealis (A.A. Gould, 1852)
Amaea boucheti E.F. Garcia, 2003
Epitonium bouryi (F.P. Jousseaume, 1894)
Epitonium boutetorum E.F. Garcia, 2016
Scalina boylae (FOSSIL) A.A. Olsson, 1967 †
Epitonium brachyspeira R.N. Kilburn, 1985
Funis brevis (FOSSIL) Seeley, 1861 †
Epitonium brevissimum (G. Seguenza, 1876)
Scalina brophyi (FOSSIL) DeVries, 2006 †
Cirsotrema browni G.T. Poppe, 2008
Eglisia brunnea T. Habe & S. Kosuge, 1966
Amaea brunneopicta (W.H. Dall, 1908)
Epitonium bucknilli A.W.B. Powell, 1924
Epitonium bulbulum (J. de C. Sowerby, 1844)
Globiscala bullata (G.B. II Sowerby, 1844)
Opalia burchorum H. DuShane, 1988
Opalia burryi W.J. Clench & H. Turner,1950
Pliciscala byramensis (FOSSIL) McNeil, 1984 †
Epitonium caamanoi W.H. Dall & P. Bartsch,1910
Cirsotrema caelicola (FOSSIL) Finlay, 1926 †
Epitonium calideum (J.C. Melvill & R. Standen,1903)