Archierato aucklandica (FOSSIL) (R.K. Dell, 1950 †)
Austrotrivia aussiorum (C.N. Cate, 1979)
Triviella austrafricana C.N. Cate, 1979
Niveria avellana (FOSSIL) (G.B. I Sowerby, 1823 †)
Niveria avellanula (F. Sacco, 1894)
Proterato awamoana (FOSSIL) Schilder, 1933 †
Cypraeerato badenica (FOSSIL) D. Fehse & J. Grego,2012 †
Gregoia barbarabugeae Fehse, 2017
Eratopsis barrandei R. Hoernes & M. Auinger,1880
Purpurcapsula bayeri (D. Fehse, 1998)
Trivellona bealsi G. Rosenberg & H.E. Finley,2001
Pusula bermontiana E.J. Petuch, 1994
Pusula bessei E.J. Petuch, 2013
Niveria bieleri Fehse & Grego, 2016
Cypraeerato bimaculata (R. Tate, 1878)
Ellatrivia bipunctata (N.H. Odhner, 1917)
Cleotrivia bobabeli Fehse, 2017
Trivirostra bocki F.A. Schilder & M. Schilder,1944
Trivirostra boswellae C.N. Cate, 1979
Trivirostra boucancanotica D. Fehse & J. Grego, 2002
Eratoena boucheti J. Drivas & M. Jay, 1986
Gregoia boucheti D. Fehse, 2015
Eotrivia bouryi (FOSSIL) (A.E.M. Cossmann, 1889 †)
Notoficula bouveti (K.H.J. Thiele, 1912)
Gregoia brami Fehse, 2017
Niveria brasilica D. Fehse & J. Grego, 2005
Cleotrivia brevissima (G.B. III Sowerby, 1870)
Trivellona bulla L. Dolin, 2001
Dolichupis burius (C.N. Cate, 1979)
Ellatrivia caelatura (C. Hedley, 1918)
Pseudopusula californiana (J.E. Gray, 1827)
Pusula californica (G.B. II Sowerby, 1832)
Proterato callosa (A. Adams & L.A. Reeve,1850)
Triviella calvariola R.N. Kilburn, 1980
Semitrivia calvitia Fehse, 2017