Gibberula atwoodae J.A. Ortea, 2015
Gibberula audreyae T. Cossignani, 2006
Cystiscus aurantius F. Boyer, 2003
Gibberula aurata (A.R.J.B. Bavayin P. Dautzenberg, 1912)
Canalispira aurea E.F. Garcia, 2006
Gibberula aureliae Ortea, 2017
Persicula bagne M.J. Faber, 2006
Persicula bahamasensis E.J. Petuch, 2002
Gibberula baisrei J. Espinosa & J.A. Ortea,2007
Persicula bandera E.V. Coan & B. Roth, 1965
Crithe barreti (FOSSIL) L.J. Morlet, 1888 †
Plesiocystiscus bavayi F. Boyer, 2003
Pachybathron bebae C. Fernández & E. Rolán,1995
Gibberula belizensis T. McCleery, 2008
Gibberula benguelensis F.P. Jousseaume, 1875
Gibberula bensoni (L.A. Reeve, 1865)
Gibberula benyi J. Espinosa & J.A. Ortea,2006
Cystiscus beqae A. Wakefield & T. McCleery,2006
Gibberula betancourtae J.A. Ortea, 2015
Persicula blanda (R.B. Hinds, 1844)
Plesiocystiscus bocasensis (A.A. Olsson& J.T.L. McGinty, 1958)
Gibberula boettgeri (H. von Maltzan, 1884)
Gibberula borbonica F. Boyer, 2014
Cystiscus boucheti F. Boyer, 2003
Cystiscus bougei (A.R.J.B. Bavay, 1917)
Gibberula boulmerkae J.A. Ortea, 2015
Gibberula boyeri T. Cossignani, 2006
Gibberula bribri J. Espinosa & J.A. Ortea,2000
Persicula brinkae L. Bozzetti, 1993
Plesiocystiscus bubistae (F. Fernandes, 1987)
Cystiscus bucca (J.R. le B. Tomlin, 1916)
Gibberula bulbosa L.A. Reeve, 1865
Persicula bulbulina É.A.A. Locard, 1897
Gibberula burnupi (G.B. III Sowerby, 1897)
Gibberula caelata (T.A. de M. Monterosato,1877)