Alvania belli (FOSSIL) M. Glibert, 1962 †
Crisilla beniamina (T.A. de M. Monterosato,1884)
Pusillina benzi (A. Aradas & G. Maggiore,1844)
Alvania bermudensis M.J. Faber& R.G. Moolenbeek, 1987
Onoba beta (A.W.B. Powell, 1955)
Alvania beyersi (K.H.J. Thiele, 1925)
Onoba biangulata (FOSSIL) (C.R. Laws, 1936 †)
Galeodinopsis biangulata (FOSSIL) (G.P. Deshayes, 1861 †)
Ihungia bicarina (FOSSIL) J. Marwick, 1931 †
Rissoa bicarinata (FOSSIL) Bell, 1893 †
Alvania bicingulata (FOSSIL) (G. Seguenza, 1876 †)
Onoba bickertoni (C. Hedley, 1916)
Powellisetia bilirata W.F. Ponder, 1965
Rissoa bissulca (FOSSIL) Buvignier, 1843 †
Manzonia boavistensis E. Rolán, 1987
Manzonia boettgeri (FOSSIL) A.E.M. Cossmann, 1921 †
Attenuata bollonsi (A.W.B. Powell, 1930)
Alvania bonneti (FOSSIL) A.E.M. Cossmann, 1921 †
Manzonia boogi (R.G. Moolenbeek& M.J. Faber, 1987)
Alvania boucherti (FOSSIL) P. Lozouet, 1998 †
Alvania boucheti (FOSSIL) P. Lozouet, 1998 †
Manzonia boucheti B. Amati, 1992
Alvania bountyensis (R.K. Dell, 1950)
Striatestea bountyensis A.W.B. Powell, 1927
Alvania bozcaadensis M. Tisselli & L. Giunchi,2013
Onoba brachia (R.B. Watson, 1886)
Manzonia bravensis E. Rolán, 1987
Onoba breogani E. Rolán, 2008
Benthonella brontodes (FOSSIL) P. Lozouet, 1990 †
Setia bruggeni (A. Verduin, 1984)
Onoba brunnea A.N. Golikov& O.V. Kussakin, 1978
Alvania brusinai (FOSSIL) Schwartz von Mohrensternin Š. Brusina, 1877 †
Frigidoalvania brychia (A.E. Verrill, 1884)
Pusillina buccella (FOSSIL) (J. Marwick, 1931 †)
Alvania burtoni (FOSSIL) M. Glibert, 1962 †