†subfamily Whittleseyinae
Parent taxon: Medullosaceae according to H. N. Andrews 1970
Sister taxa: Aulacotheca, Bernaultia, Boulayatheca, Codonotheca, Colpoxylon, Dolerotheca, Goldenbergia, Halletheca, Mariopteris, Medullosa, Murielatheca, Myelopithys, Myelopteris, Neuropteris, Parasporotheca, Porosus, Potoniea, Pseudomariopteris, Rhetinotheca, Saharatheca, Schopfitheca, Stenzelia, Stewartiotheca, Sullitheca, Sutcliffia, Weissites, Whittleseya
Subtaxa: none
Ecology: "photoautotroph"
Distribution: there are no occurrences of Whittleseyinae in the database