†class Gymnospermopsida
Parent taxon: Tracheophyta according to E. E. McIver and J. F. Basinger 1993
Sister taxa: Bryobiotina, Catenalis, Euphyllophytina, Lycophytina, Lycopodiobiotina, Progymnospermopsida, Pteridobiotina, Rhyniaceae, Rhyniopsida
Subtaxa: Araucariapollenites Corystospermales Laevigatasporites Laricoidites Leioaletes Ovalipollis Singhia