Jujubinus augustoi E. Rolán & S. Gori, 2009
Gibbula aurantia F. Nordsieck& F.F. Talavera, 1979
Intistoma aureotinctum (FOSSIL) (E. Forbes, 1852 †)
Stomatella auricula J.B.P.A. Lamarck, 1816
Alcyna australis (C. Hedley, 1907)
Monodonta australis (J.B.P.A. Lamarck, 1822)
Coelotrochus avarus (FOSSIL) (H.H. Suter, 1917 †)
Trochus avernus (FOSSIL) F. Stoliczka, 1861 †
Trochus aytonensis (FOSSIL) (Blake & Hudleston) †
Clelandella azorica S. Gofas, 2005
Pseudostomatella baconi (A. Adams, 1854)
Ueckerconulus balinensis (FOSSIL) (F. Stoliczka in Laube,1867 †)
Cantharidella balteata (R.A. Philippi, 1849)
Trochus bareti (FOSSIL) Vasseur, 1881 †
Monodonta bartonensis (FOSSIL) Stanton, 1947 †
Miofractarmilla bartrumi (FOSSIL) C.R. Laws, 1948 †
Botelloides bassianus (C. Hedley, 1911)
Clanculus bathyraphe S. Smith, 1862
Calthalotia baudini (P. Fischer, 1878)
Jujubinus baudoni (T.A. de M. Monterosato,1891)
Cantharidella beachportensis B.C. Cotton & F.C. Godfrey,1934
Gibbula beaumonti (FOSSIL) (Orbigny, 1844 †)
Gibbula beckeri G.B. III Sowerby, 1901
Gibbula beetsi (FOSSIL) Regteren Altena, 1954 †
Monilea belcheri R.A. Philippi, 1849
Ethalia bellardii (A. Issel, 1869)
Phasianotrochus bellulus (R.W. Dunker, 1845)
Synaptocochlea belmonti L.R.L. Simone, 2009
Thalotia beluchistana J.C. Melvill, 1897
Gibbula benoisti (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1916 †
Gibbula benzi (C.F.F. von Krauss, 1848)
Thalotia berauensis (FOSSIL) C. Beets, 1941 †
Trochus berocscirense (FOSSIL) Woods †
Clanculus berthelotii (A.V.M.D. D'Orbigny,1840)
Gibbula biangulata (FOSSIL) (K.E.I. von Eichwald,1830 †)