Xerotricha barcinensis (J.R. Bourguignat, 1868)
Monacha bari (L. Forcart, 1981)
Helicella bathytera (C.A. Westerlund& H. Blanc, 1879)
Montserratina becasis (J.P. Rambur, 1868)
Monacha beieri M. Klemm, 1962
Candidula belemensis (G. Servain, 1880)
Candidula berkai C.E. Prieto, 1986
Xerosecta berkanensis (P.M. Pallary, 1918)
Ichnusotricha berninii F.L. Giusti & G. Manganelli,1987
Metafruticicola berytensis (L. Pfeiffer, 1841)
Caseolus betamajor H.W. Waldén, 1983
Chilanodon bicallosa (L. Pfeiffer, 1853)
Discula bicarinata (G.B. I Sowerby, 1824)
Monacha bicinctae L. Benoit, 1840
Trichia biconica L. Eder, 1917
Perforatella bidens (J.H. Chemnitz, 1786)
Perforatella bidentata (J.F. Gmelin, 1791)
Edentiella bielzi (A. Schmidt in E.A. Bielz,1860)
Xerotricha bierzona (E. Gittenberger& M.Y. Manga, 1977)
Helicella bipartita A.E.J. Férussac, 1822
Monacha bithynica B. Hausdorf, 2000
Karabaghia bituberosa (W.A. Lindholm, 1927)
Schileykiella bodoni S. Cianfanelli, G. Manganelli& F.L. Giusti, 2004
Xerosecta bodsonae (P.M. Pallary, 1898)
Lindholmomneme boevi (K.K. Uvalieva, 1967)
Trichia bofilliana (P. Fagot, 1884)
Xerosecta bogudiana (P.M. Pallary, 1918)
Xerosecta boiteli (P.M. Pallary, 1920)
Helicella bolenensis É.A.A. Locard, 1882
Leptaxis bollei (J.A. Albers, 1854)
Suboestophora boscae (J.G. Hidalgo, 1869)
Helicomela bowdichianus (A.E.J. Férussac, 1819)
Xerosecta brachyflagellata W. De Mattia, 2014
Helicella brivesi (P.M. Pallary, 1915)
Xeroleuca brulardi (P.M. Pallary, 1913)