†family Stangeriaceae Johnson (cycads)
Parent taxon: Cycadopsida according to D.J. Mabberley 2000
Sister taxa: Boweniaceae, Crassofilicites, Cycadales, Deltolepis, Dioales, Drepanozamites, Lagenostomales, Manebachia, Marantoidea, Orthogoniopteris, Pteridospermales, Strangerites, Trigonocarpales, Welwitschiales
Subtaxa: none
Ecology: "photoautotroph"
Distribution: there are no occurrences of Stangeriaceae in the database