• Sphaerolites Berthold in Latreille, 1827 † accepted as Sphaerulites Lamarck, 1819 † [Family: Radiolitidae]
• Sphaerolites Hinde, 1875 † (uncertain) [Family: Cnidaria (awaiting allocation)]
• Sphenoides Huxley, 1859 accepted as Bassia L. Agassiz, 1862 [Family: Cnidaria (awaiting allocation)]
• Sphenoides Qiao, 1981 † (uncertain) [Family: Corynoididae]
• Sphenolithus G. Deflandre in P.-P. Grassé, 1952 †
• Spherulites Blainville, 1824 † accepted as Sphaerulites Lamarck, 1819 †