Class Pinopsida Burnett 1833 (conifer)
Synonym: Coniferopsida
Parent taxon: Pinophyta according to A. B. Doweld 2001
See also Hueber 1983, Mabberley 2000, McLoughlin et al. 1995 and Meyen 1984
Sister taxa: Condylites, Cordaitopsida, Masculostrobus, Palaeocyparis, Podocarpopsida, Satyrites incertus, Taxopsida, Voltziopsida, Entylissa, Araucariales, Uesuguipollenites
Subtaxa: Cordaitanthales Phyllocladaceae Pinales