Gemophos auritulus (J.H.F. Link, 1807)
Antarctoneptunea aurora (C. Hedley, 1916)
Colus aurorae T. Shikama, 1977
Chauvetia austera P.G. Oliver & E. Rolán,2009
Odontobasis australis (FOSSIL) B. Wade, 1926 †
Engina australis (W.H. Pease, 1871)
Penion australocapax (FOSSIL) J.D. Stilwell& Zinsmeister, 1992 †
Thermosipho auzendei (A. Warén & P. Bouchet,2001)
Colus azygosorius (R. Tiba, 1980)
Calagrassor bacciballus K. Fraussen& P. Stahlschmidt, 2016
Searlesia badia (A. Adams, 1863)
Buccinum baeri A.T. von Middendorff,1848
Chauvetia balgimae S. Gofas & P.G. Oliver,2010
Plicifusus bambusus R. Tiba, 1980
Clea bangueyensis E.A. Smith, 1895
Colus barbarinus W.H. Dall, 1919
Chauvetia bartolomeoi R. Ardovini, 2008
Suessionia bartoniana (FOSSIL) L. Gougerot & Renard,1963 †
Penion bartrumi (FOSSIL) (C.R. Laws, 1941 †)
Buccipagoda bathybius (P. Bouchet & A. Warén,1986)
Meteuthria batialis Pastorino, 2016
Cominella bauckei (FOSSIL) J. Marwick, 1928 †
Buccinum bayani (F.P. Jousseaume, 1883)
Buccinum bayani major W.H. Dall, 1919
Crenatosipho beaglensis K. Linse, 2002
Pollia bednalli (G.B. III Sowerby, 1895)
Beringius behringi (A.T. von Middendorff,1847)
Volutopsius behringii W.H. Dall, 1873
Volutopsius behringii kobelti W.H. Dall, 1902
Buccinum belcheri L.A. Reeve, 1845
Siphonalia belenensis (FOSSIL) A.A. Olsson, 1931 †
Mohnia bella (H. Ozaki, 1958)
Falsitromina bella (A.W.B. Powell, 1951)
Penion bellus (FOSSIL) (T.A. Conrad, 1833 †)
Aeneator benthicolus R.K. Dell, 1963