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

Voltzia A.T.Brongniart, 1828 genus accepted

Giblingodendron H.J.Falcon-Lang, F.Kurzawe & S.G.Lucas, 2014 genus doubtful

Aethophyllum A.T.Brongniart, 1828 genus accepted

Sewardistrobus J.M.Anderson & H.M.Anderson, 1985 genus doubtful

Schizolepidopsis A.B.Doweld, 2001 genus doubtful

Florinostrobus T.Delevoryas & R.C.Hope, 1987 genus doubtful

Swedenborgia A.G.Nathorst, 1876 genus accepted

Rotundolepis W.Bock, 1969 genus accepted

Kraeuselcladus R.Yoshida, 1970 genus doubtful

Steirophyllum C.E.I.von Eichwald, 1854 genus doubtful

Bardospermum S.V.Meyen, 1990 genus doubtful