- 1986 †Protoceratopsidae †Ceratopsoidea Hay, 1902
sensu Sereno, 1998 †
Ceratopsomorpha Wolfe & Kirkland, 1998 †Turanoceratops †Zuniceratops †Ceratopsidae...
-
Protoceratopsidae Bagaceratopidae Ceratopsoidea Leptoceratopsidae Ceratopsomorpha Ceratopsidae (Triceratops + Styracosaurus)
Centrosaurinae Chasmosaurinae...
- †Ornithischia Clade: †Ceratopsia Superfamily: †Ceratopsoidea Clade: †
Ceratopsomorpha Family: †Ceratopsidae Marsh, 1888
Subgroups †Ceratops †Dysg**** †Polyonax...
- †Ornithischia Clade: †Ceratopsia Superfamily: †Ceratopsoidea Clade: †
Ceratopsomorpha Family: †Ceratopsidae Genus: †Dysg**** Cope, 1876 Type
species †Dysg****...
