Schimperstrobus I.J.Glasspool, J.Hilton, S.Deng & J.Dejax, 2014 genus doubtful

Pseudoctenis A.C.Seward, 1911 genus accepted

Doratophyllum T.M.Harris, 1932 genus accepted

Dirhopalostachys V.D.Prynada ex V.A.Krassilov, 1975 genus doubtful

Androstrobus W.P.Schimper, 1870 genus accepted

Nilssoniocladus T.Kimura & S.Sekido, 1975 genus accepted

Nilsonia A.T.Brongniart, 1825 genus synonym

Sphaereda J.Lindley & W.Hutton, 1835 genus synonym

Cycadoxylon B.Renault, 1879 genus accepted

Jacutiella V.A.Samylina, 1956 genus accepted

Beania Carruthers, 1869 genus accepted

Nilssonia A.T.Brongniart, 1825 genus accepted