Cryptospira birmanica (FOSSIL) E.W. Vredenburg, 1923 †
Dentimargo bojadorensis K.H.J. Thiele, 1925
Hyalina bonjour Ortea & Espinosa, 2017
Demissa borbonica F. Boyer, 2016
Alaginella borda (B.C. Cotton, 1944)
Prunum boreale (A.E. Verrill, 1884)
Volvarina borinquensis J. Espinosa & J.A. Ortea,2015
Volvarina borroi (J. Espinosa & J.A. Ortea,1998)
Granulina boucheti S. Gofas, 1992
Serrata boucheti (F. Boyer, 2001)
Volvarina boucheti J. Espinosa & J.A. Ortea,2012
Volvarina bouhamedae J.A. Ortea, 2014
Marginella bourdoti (FOSSIL) A.E.M. Cossmann, 1896 †
Serrata boussoufae (L. Bozzetti & B. Briano,2008)
Eratoidea boyeri (L. Bozzetti, 1994)
Volvarina boyeri D. Moreno & L.P. Burnay,1999
Mesoginella brachia (R.B. Watson, 1886)
Volvarina brasiliana F. Boyer, 2000
Marginella brassoensis (FOSSIL) W.C. Mansfield, 1925 †
Volvarina bravoae J.A. Ortea, 2014
Alaginella brazieri (E.A. Smith, 1891)
Eratoidea brevisa T. McCleery, 2011
Serrata brianoi L. Bozzetti, 1994
Cryptospira bridgettae A. Wakefield, 2010
Serrata brithia (FOSSIL) J. Gardner, 1937 †
Marginella britoi E. Rolán & S. Gori, 2014
Hyalina brocktoni (L.J. Shackleford, 1914)
Marginella broderickae B. Hayes, 2001
Marginella bruchardi R.W. Dunker, 1852
Volvarina brunoi J. Espinosa & J.A. Ortea,2013
Volvarina buenavistaensis J. Espinosa, L. Moro& J.A. Ortea, 2011
Marginella bulbrooki (FOSSIL) W.C. Mansfield, 1925 †
Bullata bullata (I. von Born, 1778)
Hydroginella bullata F. Boyer, A. Wakefield& T. McCleery, 2003
Volvarina bullula (L.A. Reeve, 1865)