Kioconus alconnelli (A.J. Da Motta, 1986)
Conus aldrovandi (FOSSIL) Hoernes, 1851 †
Conus aldrovandi (FOSSIL) Brocchi, 1814 †
Phasmoconus alexandrei L. Limpalaër & E. Monnier,2012
Conasprella alexandremonteiroi (T. Cossignani, 2014)
Varioconus alexandrinus (S.D. Kaicher, 1977)
Vituliconus alfi (N.N. Thach, 2016)
Sciteconus algoensis (G.B. II Sowerby, 1834)
Sciteconus algoensis norpothi F.Jr. Lorenz, 2015
Sciteconus algoensis scitulus (L.A. Reeve, 1849)
Sciteconus algoensis simplex (G.B. II Sowerby, 1858)
Conasprella alisi (R.G. Moolenbeek, D. Röckel& G. Richard, 1995)
Conasprella allamandi (E.J. Petuch, 2013)
Varioconus allaryi (L. Bozzetti, 2008)
Conus alleni (FOSSIL) J.R. Hendricks& R. Portell, 2008 †
Conus allioni (FOSSIL) Michelotti, 1847 †
Conus almagrensis (FOSSIL) Böse, 1910 †
Cryptoconus alphonsi (FOSSIL) (Briart & Cornet, 1871 †)
Conus alrobini (N.N. Thach, 2016)
Cryptoconus alsiosus (FOSSIL) (A. Brongniart, 1823 †)
Chelyconus altenai (FOSSIL) A.W. Janssen, 1972 †
Leptoconus amadis (J.F. Gmelin, 1791)
Leptoconus amadis superba L. Bozzetti, 2016
Monteiroconus ambiguus (L.A. Reeve, 1844)
Conus ambonos (FOSSIL) R.C. Hoerle, 1976 †
Leptoconus amekiensis (FOSSIL) Eames, 1957 †
Conus amethysteus J.H.F. Link, 1807
Leptoconus ammiralis (C. Linnaeus, 1758)
Conus amoricus (FOSSIL) H.H. Suter, 1917 †
Dauciconus amphiurgus (W.H. Dall, 1889)
Conus amplus D. Röckel & W. Korn, 1992
Gradiconus anabathrum (J.C.H. Crosse, 1865)
Varioconus anabelae (E. Rolán & D. Röckel,2001)
Conasprella anaglyptica (J.C.H. Crosse, 1865)
Conus ancylus (FOSSIL) W.P. Woodring, 1928 †