Pseudoscilla bilirata (L. de Folin, 1870) Canary Islands1,6 mm
Megastomia binhdinhensis (E. Saurin, 1958)
Folinella binilicia Peñas & Rolán, 2017
Turbonilla biolleyi L.G. Hertlein& A.M. Strong, 1951 West America
Odostomia biplicata (C. Hedley, 1899)
Oopyramis biplicata K.H.J. Thiele, 1930
Moerchia biplicata P. Fischer, 1877
Brachystomia bipyramidata S. Nomura, 1940 South China Sea, HaiNan3 mm
Pyrgiscilla birestis (C.F. Laseron, 1959) Queensland
Turbonilla birestris (C.F. Laseron, 1959)
Linopyrga bisculpta C.F. Laseron, 1951
Pyrgiscus bisculptus (S. Nomura, 1937) Japan
Odostomia bismichaelis F. Sacco, 1892
Odostomia bissagosensis A. Peñas, E. Rolán& F. Swinnen, 2014 West Africa
Turbonilla bisulcata A. Peñas & E. Rolán, 2010 New Caledonia3,5 mm
Boonea bisuturalis (T. Say, 1822) Massachussetts3,2 mm
Chemnitzia bittiformis P.P. Carpenter, 1856
Syrnola biturbida M. Yokoyama, 1927 Japan
Parthenina biumbilicata A. Pimenta, 2012
Syrnola bizonalis A. Adams, 1860 Japan
Chrysallida bjoernssoni A. Warén, 1991 Ireland, Rockall trough1,4 mm
Turbonilla blanchae A. Peñas & E. Rolán, 2010 Fiji Islands, Viti Levu1,9 mm
Pyrgolampros blanda H.J. Finlay, 1924
Odostomia boermani J.J. Van Aartsen, E. Gittenberger& J. Goud, 1998 Mauritania2,5 mm
Eulimella bogii J.J. Van Aartsen, 1995 Italy, Cannizzaro2 mm
Chemnitzia boholensis (C.B. Adams, 1855)
Turbonilla boisselierae A. Peñas & E. Rolán, 2010 New Caledonia2,5 mm
Chrysallida bokotoensis S. Nomura, 1939 Japan
Pyrgiscus bona (S. Nomura, 1937) Japan
Puposyrnola bonardi E. Saurin, 1959
Turbonilla bonellii (FOSSIL) Pavia, 1976 † Italy, Tuscany3 mm
Turbonilla bonellii (E. Saurin, 1959) Vietnam, Nha Trang
Pyrgiscus boninensis (S. Nomura, 1939) Japan
Miralda boshuensis S. Nomura, 1937 Japan
Odetta bosyuensis (S. Nomura, 1937)