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

Zamites A.T.Brongniart, 1828 genus accepted

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

Serenopsis Hollick, 1893 genus doubtful

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

Otopteris Lindley & W.Hutton, 1834 genus synonym

Pterophyllum A.T.Brongniart, 1825 genus accepted

Williamsonia W.Carruthers, 1870 genus accepted

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