Duodimidia W.L.Cressler, C.Prestianni & B.A.LePage, 2010 genus doubtful

Aglosperma J.Hilton & D.Edwards, 1996 genus doubtful

Serpentocarpus S.V.Naugolnykh, 2012 genus doubtful

Elkinsia G.W.Rothwell, S.E.Scheckler & W.H.Gillespie, 1989 genus doubtful

Moresnetia F.Stockmans, 1948 genus accepted

Xenotheca E.A.N.Arber & R.H.Goode, 1915 genus accepted

Genomosperma A.G.Long, 1959 genus accepted

Ruxtonia J.Galtier, R.Feist, J.A.Talent & B.Meyer-Berthaud, 2007 genus doubtful

Kerryia G.W.Rothwell & D.C.Wight, 1989 genus doubtful