• Cyclostigma Hochstetter ex Endlicher, 1842 accepted as Voacanga Du Petit-Thouars, 1806 [Family: Apocynaceae]
• Cyclostigma Klotzsch in B.C. Seemann, 1853 accepted as Croton Linnaeus, 1753 [Family: Euphorbiaceae]
• Cyclostigma R.A. Philippi, 1870 accepted as Leptoglossis Bentham, 1845 [Family: Solanaceae]
• Cyclostigma S. Haughton, 1859 † [Family: Cyclostigmataceae]
• Cyclostigma Schrammen, 1912 † [Family: Lychniscosa (awaiting allocation)]
• Cyclostigma australe
• Cyclostigma panamense Klotzsch accepted as Croton draco Schltdl.
• Cyclostigmaceae †
• Cyclostigmataceae †