• Cacopteris Scudder, 1894
• Caenopteris Bergius, 1786 accepted as Asplenium Linnaeus, 1753
• Calopteris Bachelot de la Pylaie, 1830 accepted as Ptilota C.A. Agardh, 1817 [Family: Ceramiaceae]
• Calopteris Corda, 1845 † [Family: Psalixochlaenaceae]
• Cardiopteris Schimper, 1869 † (unaccepted) [Family: Pteridophytes/Pteridosperms (awaiting allocation)]
• Cardiopteris Wallich ex Royle, 1834 [Family: Cardiopteridaceae]
• Caryopteris Bunge, 1835
• Caulopteris Lindley & W. Hutton, 1832 †
• Coniopteris A.T. Brongniart in A.C.V.D. d'Orbigny, 1849 †