Class Ginkgoopsida Engler 1897
Parent taxon: Ginkgophyta according to A. B. Doweld 2001
See also Mabberley 2000, McLoughlin et al. 1995 and Meyen 1984
Sister taxa: Adiantophyllum, Biarmobaiera, Culgoweria, Dicranophyllum, Furcifolium, Ginkganthus, Ginkgoites, Ginkgophyllum, Ginkgophyton, Ginkgophyton, Ginkgopsis, Glossopteropsis, Glottophyllum, Hildesheimia, Idelopteris, Jeanpaulia, Kirkoria, Phylladodesme, Psygmophyllum, Rhipidopsis, Sidhiphyllites, Staphidiophora, Stephanophyllum, Zonarides
Subtaxa: Asterophyllum Calamopityales Callistophytales Caytoniales Czekanowskiales Dactylophyllum Ephedrales Ginkgoales Karkeniales Leptostrobales Linguifolium Pentoxylales Umaltolepididae