Order †Pachycephalosauria Maryañska & Osmólska, 1974 see Infraorder Pachycephalosauria Maryañska & Osmólska, 1974
   Family †Pachycephalosauridae Sternberg, 1945
     Genus †Ferganocephale Averianov, T. Martin & Bakirov, 2005, nom. dub.
       †Ferganocephale adenticulatum Averianov et al., 2005, nom. dub.