• Codiaeum A.H.L. Jussieu, 1824
• Corindum Adanson, 1763 (unaccepted)
• Corindum P. Miller, 1754 (uncertain)
• Corine Cuvier, 1798 accepted as Coryne Gaertner in Pallas, 1774
• Corinea Walker, 1863 (uncertain)
• Corium Prout, 1910 (uncertain)
• Corniveum Nieuwland, 1914 (uncertain)
• Cornum Schwartzapfel & Holdsworth, 1996 † (uncertain)
• Coronium Bonorden, 1864 [Family: Ascomycota incertae sedis]
• Coronium Simone, 1996 [Family: Muricidae]
• Coryneum C.G.D. Nees, 1816