Latirus aldrichi (FOSSIL) D.T. Dockery, 1984 †
Kilburnia alfredensis (P. Bartsch, 1915)
Chryseofusus alisae R. Hadorn & K. Fraussen,2003
Chryseofusus alisonae (R. Hadorn, M.A. Snyder& K. Fraussen, 2008)
Falsicolus allani (FOSSIL) Finlay, 1930 †
Peristernia allioni (FOSSIL) (O.G. Michelotti, 1847 †)
Fusinus allyni J.H. McLean, 1970
Euthriofusus alomprae (FOSSIL) E.W. Vredenburg, 1923 †
Falsicolus alta (FOSSIL) (P. Marshall, 1919 †)
Fusinus alternatus G. Buzzurro & P. Russo,2007
Peristernia altifrons (FOSSIL) R. Tate, 1888 †
Fusinus amadeus P. Callomon & M.A. Snyder,2008
Hemipolygona amaliae (H.C. Küster & W. Kobelt,1874)
Fusinus ambustus (A.A. Gould, 1853)
Amiantofusus amiantus (W.H. Dall, 1889)
Granulifusus amoenus R. Hadorn & K. Fraussen,2005
Fusinus amphiurgus (W.H. Dall, 1889)
Latirus amplustre (L.W. Dillwyn, 1817)
Fusinus anatolicus (FOSSIL) F. Toula, 1901 †
Latirus andamanicus E.A. Smith, 1894
Fusinus angeli P. Russo & Angelidis,2016
Benimakia angsanana (FOSSIL) (K. Martin, 1921 †)
Peristernia angsanana (FOSSIL) (K. Martin, 1921 †)
Peristernia angulata (FOSSIL) (G.B. III Sowerby,1888) †
Polygona angulata (P.F. Röding, 1798)
Latirus angulatus (FOSSIL) (Roding, 1798 †)
Bellifusus angulicostatus (FOSSIL) N.F. Sohl, 1964 †
Fusinus anguliplicatus J.T. Kuroda, 1949
Fusinus annae M.A. Snyder, 1986
Fusinus anni M.A. Snyder, 1986
Pustulatirus annulatus (P.F. Röding, 1798)
Fusinus ansatus (J.F. Gmelin, 1791)
Fusinus ansatus caboblanquensis N.E. Weisbord, 1962
Fasciolaria apicina (FOSSIL) W.H. Dall, 1890 †
Peristernia approximans (FOSSIL) R. Tate, 1888 †