Montenegrospeum bogici (V.M. Pešic & P. Glöer,2012)
Phreatica bolei F. Velkovrh, 1970
Turricaspia boltovskoji (A.N. Golikov& Y.I. Starobogatov, 1966)
Islamia bomangiana H.D. Boeters & G. Falkner,2003
Belgrandia bonelliana C. De Stefani, 1879
Hydrobia booneae J.P.E. Morrison, 1954
Turricaspia borceana (A.N. Golikov& Y.I. Starobogatov, 1966)
Caspiohydrobia borealis S.I. Andreeva& E.N. Frolova, 1989
Bythiospeum bormanni F.J. Stojaspal, 1978
Motsametia borutzkii (V.I. Zhadin, 1932)
Euxinipyrgula borysthenica (T.L. Alexenko& Y.I. Starobogatov, 1987)
Belgrandia boscae (J.M. Salvañá, 1887)
Dabriana bosniaca (P. Radoman, 1973)
Islamia bosniaca P. Radoman, 1973
Radomaniola bosniaca (P. Radoman, 1973)
Iglica bosnica H. Schütt, 1975
Lanzaia bosnica J. Bole, 1970
Turricaspia bosphorana (FOSSIL) (N.I. Andrusov, 1890 †)
Pyrgula boteniensis (FOSSIL) W.A. Wenz, 1942 †
Paludestrema bottimeri (B. Walker, 1925)
Pseudamnicola boucheti P. Glöer, S. Bouzid& H.D. Boeters, 2010
Prososthenia bouei (FOSSIL) P.S. Pavlovic, 1931 †
Fissuria boui H.D. Boeters, 1981
Bythiospeum bourguignati (A. Paladilhe, 1866)
Avenionia bourguignati É.A.A. Locard, 1883
Islamia bourguignati (A. Letourneux, 1869)
Mercuria bourguignati P. Glöer, S. Bouzid& H.D. Boeters, 2010
Bythiospeum bournense H. Girardi, 2009
Beddomeia bowryensis W.F. Ponder & K.B. Clark,1993
Belgrandiella bozidarcurcici P. Glöer & V.M. Pešic,2014
Alzoniella braccoensis M. Bodon & S. Cianfanelli,2004
Pseudamnicola brachia (C.A. Westerlund, 1886)
Hydrobia bradleyi (FOSSIL) Hislop, 1859 †
Pyrgulopsis brandi (M. Drake, 1953)
Saxurinator brandti H. Schütt, 1968