Gradiconus cingulatus (J.B.P.A. Lamarck, 1810)
Gradiconus deluvianus (FOSSIL) (J. Green, 1830 †)
Gradiconus dispar (G.B. I Sowerby, 1833)
Gradiconus flamingo (E.J. Petuch, 1980)
Gradiconus garciai (A.J. Da Motta, 1982)
Gradiconus gradatus (W. Wood, 1828)
Gradiconus honkerorum E.J. Petuch & B.W. Myers,2014
Gradiconus johntuckeri (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Gradiconus largillierti (L.C. Kiener, 1847)
Gradiconus monilifer (W.J. Broderip, 1833)
Gradiconus nybakkeni M.J. Tenorio, J.K. Tucker& A. Chaney, 2012
Gradiconus ostrinus J.K. Tucker & M.J. Tenorio,2011
Gradiconus parascalaris (E.J. Petuch, 1987)
Gradiconus paschalli (E.J. Petuch, 1998)
Gradiconus patglicksteinae (E.J. Petuch, 1987)
Gradiconus paulae (E.J. Petuch, 1988)
Gradiconus philippii (L.C. Kiener, 1847)
Gradiconus portobeloensis (E.J. Petuch, 1990)
Gradiconus recurvus (W.J. Broderip, 1833)
Gradiconus regularis (G.B. I Sowerby, 1833)
Gradiconus rosemaryae (E.J. Petuch, 1990)
Gradiconus scalaris (A. Valenciennes, 1832)
Gradiconus scalarissimus (A.J. Da Motta, 1988)
Gradiconus sennottorum (H.A. Rehder & R.T. Abbott,1951)
Gradiconus skoglundae M.J. Tenorio, J.K. Tucker& A. Chaney, 2012
Gradiconus sunderlandi (E.J. Petuch, 1987)
Gradiconus tristensis (E.J. Petuch, 1987)
Graphiconus armadillo (T. Shikama, 1971)
Graphiconus australis (H.S. Holten, 1802)
Graphiconus blanfordianus (J.C.H. Crosse, 1867)
Graphiconus broderipii (L.A. Reeve, 1844)
Graphiconus cavailloni (A. Feneaux, 1942)
Graphiconus cinereus (C.H. Hwassin J.G. Bruguière, 1792)
Graphiconus conspersus (L.A. Reeve, 1843)
Graphiconus evansi (I.P. Bondarev, 2001)
Graphiconus flavus (D. Röckel, 1985)
Graphiconus indomaris L. Bozzetti, 2014