Welsbergia C.Pott & J.H.A.Van Konijnenburg-van Cittert, 2016 genus doubtful

Otopteris Lindley & W.Hutton, 1834 genus synonym

Pterophyllum A.T.Brongniart, 1825 genus accepted

Williamsonia W.Carruthers, 1870 genus accepted

Weltrichia C.F.W.Braun, 1847 genus accepted

Taeniozamites T.M.Harris, 1932 genus synonym

Nilssoniopteris A.G.Nathorst, 1909 genus accepted

Bennettitanthus A.I.Turutanova-Ketova, 1930 genus accepted

Cycadocephalus Nathorst, 1902 genus accepted

Lyssoxylon Daugherty, 1941 genus accepted

Ischnophyton T.Delevoryas & R.C.Hope, 1976 genus doubtful

Zamites A.T.Brongniart, 1828 genus accepted

Otozamites C.F.W.Braun, 1843 genus accepted

Serenopsis Hollick, 1893 genus doubtful

Fredlindia J.M.Anderson & H.M.Anderson, 2003 genus doubtful