Pleuropoma arakanensis (W.T. Blanford)
Succincta arenicola (P.M.A. Morelet, 1849)
Fadyenia arthuriana (E. Chitty, 1857)
Aphanoconia articulata (L. Pfeiffer, 1853)
Helicina aruana L. Pfeiffer
Helicina aruana sculpta (E.C. Von Martens, 1864)
Stoastoma atomus H.A. Pilsbry, 1930
Alcadia aurantia (J.E. Gray, 1824)
Lucidella aureola (A.E.J. Férussac, 1822)
Lucidella aureola montegoensis A.P. Brown, 1913
Lucidella auroela (A.E.J. Férussac, 1822)
Semitrochatella babei (R. Arango, 1876)
Aphanoconia badium (P.B. Schmacker& O. Böttger, 1891)
Alcadia bahamensis (L. Pfeiffer, 1822)
Schasicheila bahamensis (L. Pfeiffer, 1862)
Fadyenia bairdiana (E. Chitty, 1857)
Orobophana baldwini (C.M.F. Ancey, 1904)
Fadyenia baquieana (E. Chitty, 1857)
Fadyenia barroniana E. Chitty, 1857
Helicina basifilaris H.B. Preston, 1914
Emoda bayamensis (F. Poey, 1854)
Gemma beatrix (G.F. Angas, 1879)
Helicina bellula A.A. Gould
Sulfurina bensoni A.J. Wagner
Emoda bermudezi C.G. Aguayo & M.L. Jaume,1957
Helicina berniceia H.A. Pilsbry & C.M. Cooke,1908
Pleuropoma beryllina (A.A. Gould, 1847)
Helicina besckei L. Pfeiffer, 1848
Helicina biangulata L. Pfeiffer, 1850
Helicina bicincta C.P. Gloyne, 1872
Helicina bineyana L. Pfeiffer, 1866
Alcadia blacki H.A. Pilsbry, 1930
Fadyenia blandiana (C.B. Adams, 1849)
Emoda blanensis (C. de la Torre, 1911)
Emoda blanesi W.J. Clench& C.G. Aguayo in C.G. Aguayo, 1953