Peronaeus azulensis C. Fernández, 1970
Bostryx baeri P. Dautzenberg, 1901
Drymaeus baezensis (J.G. Hidalgo, 1866)
Drymaeus bahamensis L. Pfeiffer, 1862
Rabdotus baileyi W.H. Dall, 1893
Naesiotus bambamarcaensis W.K. Weyrauch, 1960
Drymaeus baranguillanus (L. Pfeiffer, 1853)
Scutalus baroni (H.C. Fulton, 1896)
Drymaeus bartletti A. Adams, 1866
Drymaeus basitorus F. Haas, 1951
Naesiotus bauri W.H. Dall, 1893
Naesiotus beldingi (J.G. Cooper, 1892)
Drymaeus bequaerti W.K. Weyrauch, 1956
Bostryx bermudezae W.K. Weyrauch, 1958
Auris bernardii L. Pfeiffer, 1856
Drymaeus beyerleanus L.H. Hupé, 1857
Drymaeus beyerleanus mitchelli W.H. Dall, 1912
Naesiotus bicolor W.K. Weyrauch, 1967
Vermiculatus bicolor (G.B. I Sowerby, 1835)
Oxychona bifasciata (E.J. Burrow, 1815)
Auris bilabiata (W.J. Broderip& G.B. I Sowerby, 1829)
Auris bilabiata egregia J.C. Jay, 1836
Auris bilabiata nigrilabris H.A. Pilsbry, 1896
Bostryx bilineatus (G.B. I Sowerby, 1833)
Bostryx binghami W.H. Dall, 1910
Neopetraeus binneyanus (L. Pfeiffer, 1857)
Rabdotus binneyanus W.G. Binney, 1859
Drymaeus binominis R.J.L. Guppy, 1868
Bostryx birabeni M.I. Hylton-Scott, 1948
Lissoacme birabenorum M.I. Hylton-Scott, 1948
Bostryx bisculptus L. Pfeiffer, 1869
Drymaeus bivittatus (G.B. I Sowerby, 1833)
Oxychona blanchetiana (S. Moricand, 1833)
Drymaeus blandi H.A. Pilsbry, 1898
Naesiotus blombergi N.H. Odhner, 1951