Engina bonasia (E.C. Von Martens, 1880)
Engina bonasia zatricium J.C. Melvill, 1893
Manaria borbonica K. Fraussen& P. Stahlschmidt, 2016
Costaria borealis A.N. Golikov, 1977
Japelion borealis (FOSSIL) (R. Tiba, 1969 †)
Neptunea borealis (R.A. Philippi, 1850)
Chauvetia borgesi P.G. Oliver & E. Rolán,2009
Amarophos bothrus (FOSSIL) W.P. Woodring, 1964 †
Euthrenopsis bountyensis A.W.B. Powell, 1929
Crassicantharus boutetorum K. Fraussen& P. Stahlschmidt, 2015
Metula bozzettii M. Parth, 1990
Penion brazieri (FOSSIL) C.A. Fleming, 1955 †
Pisania brevialaxe J.T. Kuroda & T. Habe,1961
Aulacofusus brevicauda (G.P. Deshayes, 1832)
Manaria brevicaudata (M.M. Schepman, 1911)
Zeapollia brevis (FOSSIL) (R. Tate, 1888 †)
Euryochetus brevispiratus (FOSSIL) (A.E.M. Cossmann, 1889 †)
Cantharus brongniartianus (FOSSIL) A.V.M.D. D'Orbigny,1850 †
Clea broti (G.P. Deshayes, 1876)
Eobuccinella brucei (FOSSIL) J.D. Stilwell& Zinsmeister, 1992 †
Chauvetia brunnea (E. Donovan, 1804)
Truncaria brunneocincta W.H. Dall, 1896
Buccinulum brunobrianoi M. Parth, 1993
Cyrtochetus bucciniformis (FOSSIL) R.O. Wilckens, 1911 †
Retimohnia buccinoides (W.H. Dall, 1913)
Cantharus bucklandi (FOSSIL) d'Archiac, 1850 †
Colus bukini Y.I. Kantor, 1984
Neptunea bulbacea (A. Valenciennes, 1858)
Buccinum bulimuloideum W.H. Dall, 1907
Seymourosphaera bulloides (FOSSIL) A. Oleinik & Zinsmeister,1996 †
Pseudoneptunea burgasensis (FOSSIL) Karagyuleva, 1964 †
Manaria burkeae E.F. Garcia, 2008
Cantharus buxeus (W.J. Broderip& G.B. I Sowerby, 1833)
Buccinum byssinum R. Tiba, 1983
Retimohnia caelata (A.E. Verrill, 1880)