Trachypollia aneureta (FOSSIL) W.P. Woodring, 1964 †
Prototyphis angasi (J.C.H. Crosse, 1863)
Mexacanthina angelica (I.M. Oldroyd, 1918)
Pterochelus angelus (FOSSIL) T.H. Aldrich, 1886 †
Maxwellia angermeyerae (W.K. Emerson & D'Attilio,1965)
Coralliophila angsanana (FOSSIL) (K. Martin, 1921 †)
Drupa angsanana (FOSSIL) (K. Martin, 1921 †)
Purpura angsanana (FOSSIL) (K. Martin, 1899 †)
Taurasia angsanana (FOSSIL) (K. Martin, 1921 †)
Hexaplex angularis (J.B.P.A. Lamarck, 1822)
Hexaplex angularis lyratus (C.B. Adams, 1853)
Morula angulata (G.B. III Sowerby, 1894)
Drupella angulata (L.A. Reeve, 1844)
Stramonita angulata (FOSSIL) (F. Dujardin, 1837 †)
Pterynotus angustifolius (FOSSIL) (F. Kautsky, 1925 †)
Takia angustus (J.C. Verco, 1895)
Siphonochelus angustus R. Houart, 1991
Vokesimurex anniae (M. Smith, 1940)
Muricopsis annobonensis R. Houart & E. Rolán,2001
Homalocantha anomaliae S. Kosuge, 1979
Terefundus anomalus (R.K. Dell, 1956)
Chicoreus anosyensis (L. Bozzetti, 2013)
Dermomurex antecessor E.H. Vokes, 1975
Murex antelmei (J.M.R.M. Viader, 1938)
Rhizochilus antipathum J.J.S. Steenstrup, 1850
Pterynotus antiqua (FOSSIL) (D. Merle, 1989 †)
Concholepas antiquatus (FOSSIL) R. Tate, 1894 †
Magilus antiquus P.D. Montfort, 1810
Dermomurex antonius (E.H. Vokes, 1974)
Boreotrophon aomoriensis (S. Nomura & K.M. Hatai,1940)
Hirtotyphis aoteanus (FOSSIL) (P. Vella, 1961 †)
Pterynotus aparrii (D'Attilio & H.W. Bertsch,1980)
Drupa aperta (H.M.D. de Blainville,1832)
Xymenella apipagoda (FOSSIL) (W.F. Ponder, 1972 †)
Murexsul apollo Espinosa & Ortea, 2016