Full reference: I. N. Gorozhankin. 1904. Лекции по морфологии и систематики архегониальных растений (Lekts. Morf. Sist. Archegon. Lectures on the morphology and taxonomy of archegonial plants).
Parent taxon: Pinopsida according to S. Chatterjee et al. 2013
See also Doweld 2001, Hueber 1983, Iglesias 2016 and Meyen 1984
Sister taxa: Araucariocaulon, Araucariophloios, Cordaitanthales, Eoglyptostrobus, Feistmantelia, Pennsylvanioxylon, Phyllocladaceae
Subtaxa: Amydrostrobus Bartholinodendron Buriadiaceae Cephalotaxaceae Cycadocarpidiaceae Frenelites Glenrosa Gomphostrobus Heidiphyllum Hoegisporis Juniperites Lebachiaceae Pandanocarpum Pinaceae Protolarix Sciadopityaceae Striaestrobus Striatotaxus Taxaceae Taxodiaceae Trioolepis Widdringtonites Xenoxylon