 Conus gonsaloi (Afonso & Tenorio, 2014) |  Conus goudeyi (Monnier & Limpalaër, 2012) |  Conus gracianus da Motta & Blöcher, 1982 |
 Conus gradatulus patens G. B. Sowerby III, 1903 |  Conus gradatulus Weinkauff, 1875 |  Conus gradatus Wood, 1828 |
 Conus grahami pseudoventricosus Röckel, Rolán & Monteiro, 1980 |  Conus grahami Rockel, von Cosel & Burnay, 1980 |  Conus granarius Kiener, 1845 |
 Conus granarius panamicus Petuch, 1990 |  Conus granulatus L., 1758 |  Conus granum Rockel & Fischoder, 1985 |
 Conus gratacapii Pilsbry, 1904 |  Conus gregorioi (Crabos & G. S. P. Oliveira, 2021) |  Conus grohi Tenorio & Poppe, 2004 |
 Conus guanche Lauer, 1993 |  Conus guanche saharicus (Petuch & Berschauer, 2016) |  Conus gubernator ambolimailakanus Bozzetti, 2017 |
 Conus gubernator Hwass, 1792 |  Conus gubernator terminus Lamarck, 1810 |  Conus gubernator veillardi da Motta, 1990 |
 Conus guiandradoi (Cossignani & Fiadeiro, 2017) |  Conus guidopoppei Raybaudi Massilia, 2005 |  Conus guinaicus Hwass, 1792 |
 Conus guyanensis Van Mol, 1973 |  Conus habui Lan, 2002 |  Conus hamamotoi Yoshiba & Koyama, 1984 |
 Conus hammatus Bartsch & Rehder, 1943 |  Conus harlandi Petuch, 1987 |  Conus havanensis Aguayo & Farfante, 1947 |
 Conus hazinorum Petuch & Myers, 2014 |  Conus helenae Schwengel, 1955 |  Conus helgae Blöcher, 1992 |
 Conus henckesi Coltro, 2004 |  Conus hennequini Petuch, 1992 |  Conus henriquei (Petuch & R. F. Myers, 2014) |
 Conus herndli (Petuch & Myers, 2014) |  Conus hieroglyphus armillatus C.B. Adams, 1850 |  Conus hieroglyphus Duclos, 1833 |
 Conus hilli Petuch, 1990 |  Conus hirasei (Kira, 1956) |  Conus hirasei (Kira, 1956)- FAKE |
 Conus honkeri Petuch, 1988 |  Conus honkerorum (Petuch, 2013) |  Conus hopwoodi Tomlin, 1936 |
 Conus hungaricus Hoernes & Auinger, 1879† |  Conus hunti Wils & Moolenbeek, 1979 |  Conus hyaena concolor Sowerby, 1841 |
 Conus hyaena halli da Motta, 1983 |  Conus hyaena Hwass, 1792 |  Conus hyaena mutabilis Reeve, 1844 |
 Conus hybridus Kiener, 1845 |  Conus icapui Petuch & Berschauer, 2018 |  Conus ichinoseana (Kuroda, 1956) |
 Conus ignotus Cargile, 1998 |  Conus ikedai Ninomiya, 1987 |  Conus ildae (D. Monteiro & A. Monteiro, 2024) |
 Conus immelmani Korn, 1998 |  Conus imperialis compactus Wils, 1970 |  Conus imperialis douvillei Fenaux, 1942 |
 Conus imperialis Linnaeus, 1758 |  Conus imperialis queketti E. A. Smith, 1906 |  Conus inconstans E. A. Smith, 1877 |
 Conus indomaris (Bozzetti, 2014) |  Conus inesae Monteiro, Afonso, Tenorio, Rosado & Pirinhas, 2014 |  Conus infinitus Rolan, 1990 |
 Conus infrenatus Reeve, 1848 |  Conus inscriptus batheon Sturany, 1903 |  Conus inscriptus cuneiformis Reeve, 1843 |
 Conus inscriptus Reeve, 1843 |  Conus insculptus hypochlorus Tomlin, 1937 |  Conus insculptus Kiener, 1845 |
 Conus insularis Gmelin, 1791 |  Conus iodostoma Reeve, 1843 |  Conus ione Fulton, 1938 |
 Conus irregularis iberogermanicus Rockel, Rolan & Monteiro 1980 |  Conus irregularis Sowerby, 1857 |  Conus isabelarum Tenorio & Afonso, 2004 |
 Conus itapua Petuch & Berschauer, 2018 |  Conus jacarusoi Petuch, 1998 |  Conus janapatriceae Petuch & Berschauer, 2016 |
 Conus janowskyae (Tucker & Tenorio, 2011) |  Conus janus Hwass, 1792 |  Conus jaspideus Gmelin, 1791 |
 Conus jeanmartini (G. Raybaudi Massilia, 1992) |  Conus jickelii Weinkauff, 1873 |  Conus joanae (Petuch & Berschauer, 2018) |
 Conus jonsingletoni H. Morrison, 2019 |  Conus josegeraldoi (Cossignani & Fiadeiro, 2018) |  Conus josegeraldoi Cossignani & Fiadeiro, 2018 |