Barycypraea beberkiriana (FOSSIL) (Martin, 1899 †) Indonesia, West Java
Erosaria beckii (J.S. Gaskoin, 1836) Philippines, Cebu13 mm
Archicypraea bellardiana (FOSSIL) Schilder, 1932 †
Erosaria bellatrix F.Jr. Lorenz, 2009 Marquesas Islands20,2 mm
Barycypraea bensoni (FOSSIL) Finlay, 1927 † Indonesia, Java
Erosaria bernardi (G. Richard, 1974) Tahiti, Arue15 mm
Erosaria bernardi kingae (H.A. Rehder& B.R. Wilson, 1975) Polynesia
Protocypraea berryessae (FOSSIL) F.M. Anderson, 1958 † California. Shasta County
Nucleolaria bezoyensis (FOSSIL) L. Dolin & P. Lozouet,2004 † France, Aquitaine
Praerosaria biacuta (FOSSIL) L. Dolin & P. Lozouet,2004 †
Pustularia bistrinotata F.A. Schilder& M. Schilder, 1937 Philippines, Samar Island22 mm
Pustularia bistrinotata excelsior F.Jr. Lorenz, 2014 Philippines, Balabac Island18,5 mm
Pustularia bistrinotata ginoi F.Jr. Lorenz, 2014 New Caledonia, Ile des Pins15 mm
Pustularia bistrinotata jandeprezi G.T. Poppe & P. Martin,1997 Philippines, Palawan Island18 mm
Pustularia bistrinotata keelingensis F.A. Schilder& M. Schilder, 1940 Philippines, Olango Island22 mm
Pustularia bistrinotata mediocris F.A. Schilder& M. Schilder, 1937 New Caledonia, Ile des Pins15,2 mm
Pustularia bistrinotata sublaevis F.A. Schilder& M. Schilder, 1938 Saipan16,1 mm
Proadusta bitruncata (FOSSIL) D. Fehse, 2010 †
Cypraeorbis boggsi (FOSSIL) (A.A. Olsson, 1928 †) Peru, Piura, Talara
Erosaria boivinii (L.C. Kiener, 1843) Maldives Islands26,6 mm
Erosaria boivinii cuatoni S. Kosuge, 1983 Philippines, Masbate Island25 mm
Cribrarula boninensis L.R.L. Simone& Takashigue, 2016 Japan, Bonin Islands20 mm
Palmulacypraea boucheti (F.Jr. Lorenz, 2002) Philippines, Aliguay Island18 mm
Notoluponia brachypyga (FOSSIL) (R. Tate, 1890 †) Australia, Victoria
Eopustularia brackleshamensis (FOSSIL) (Schilder, 1929 †) Switzerland
Schilderia brebioni (FOSSIL) L. Dolin & P. Lozouet,2004 † France, Loire
Contradusta bregeriana (J.C.H. Crosse, 1868) New Caledonia, Ile des Pins29 mm
Contradusta bregeriana pervelata (F.Jr. Lorenz, 2002) Solomon Islands26,9 mm
Bistolida brevidentata (G.B. II Sowerby, 1870) Papua New Guinea23 mm
Bistolida brevidentata deceptor (T. Iredale, 1935) Australia, Torres Strait29 mm
Bistolida brevidentata fluctuans (T. Iredale, 1935) Australia, Dingo Beach29,3 mm
Calusacypraea briani (FOSSIL) E.J. Petuch, 1996 † Florida, Sarasota County72,5 mm
Cypraea brocchii (FOSSIL) J.P.S. Grateloup, 1833 † France, Aquitaine
Cypraea brocchii annularia A. Brongniart, 1823 France, Aquitaine
Cypraea brocchii expansa J.P.S. Grateloup, 1840 France, Aquitaine