†unranked clade Euspermatoclides
Parent taxon: Spermatophytata according to P. Kenrick and P.R. Crane 1997
Sister taxa: Cardioneura, Hydraspermaceae, Medullosaceae
Subtaxa: Anthophytatae Coniferophytatae Cycadatae Czekanowskiaceae Ginkgoatae