Elia borisi A.J. Wagner, 1912
Phaedusa borneensis (L. Pfeiffer, 1854)
Dilataria bosnica (K. Brancsik, 1897)
Herilla bosniensis (L. Pfeiffer, 1868)
Herilla bosniensis brandisi (K. Brancsik, 1888)
Herilla bosniensis dux H. Nordsieck, 1974
Herilla bosniensis hannae H. Nordsieck, 1971
Herilla bosniensis rex H. Nordsieck, 1971
Oospira bouddah (A.R.J.B. Bavay& P. Dautzenberg, 1912)
Incania bourcieri (H.C. Küster, 1853)
Macedonica brabeneci H. Nordsieck, 1977
Oospira brachyptycta (F.E. Loosjes, 1953)
Muticaria brancatoi M.S. Colomba, A. Reitano& al., 2012
Serrulastra brandti (FOSSIL) (Schütt, 1967) †
Strobeliella brembina (P. von Ströbel, 1847)
Albinaria brevicollis (L. Pfeiffer, 1850)
Albinaria brevicollis castellensis (L. Pfeiffer, 1855)
Albinaria brevicollis koskinensis (C. Pollonera, 1916)
Albinaria brevicollis rhodia (C. Pollonera, 1916)
Albinaria brevicollis superba O. Böttger
Clausilia breviluna (O.F. von Möllendorff,1901)
Oospira brevior (L. Pfeiffer, 1868)
Stereophaedusa brevior (E.C. Von Martens, 1877)
Brachyptychia breviplica (O.F. von Möllendorff,1886)
Tauphaedusa broderseni (O. Böttger& P.B. Schmacker, 1894)
Albinaria broemmei (O. Böttger, 1892)
Armenica brunnea (E.A. Rossmässler, 1839)
Columbinia bryantwalkeri (H.A. Pilsbry, 1922)
Euphaedusa buccinella (P.M. Heude, 1886)
Nenia buckleyi H.C. Higgins, 1872
Oospira bulbus (W.H. Benson, 1863)
Bulgarica bulgariensis (L. Pfeiffer, 1848)
Bulgarica bulgariensis intricata (A. Mousson, 1859)
Bulgarica bulgariensis osmanica (C.A. Westerlund, 1884)
Bathyptychia bulimina (P.V. Gredler, 1892)