Kingdom [Plantae] Haeckel (1866) - plants Division Gymnospermophyta Cleal (1994) - seed plants see Infraphylum Gymnospermae auct. Class Pinopsida Burnett (1835) Order Pinales Dumort. (1829) - conifers Family †Utrechtiaceae G. Mapes & G.W. Rothwell (2003) see Family Walchiaceae Stur (1875)