 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 |  Conus josei (Petuch & Berschauer, 2016) |