Classification of You and Dodson 2003

Infraor. †Neoceratopsia Sereno 1986
show all | hide all
G. †Archaeoceratops Dong and Azuma 1997
G. †Chaoyangsaurus Zhao et al. 1999
Unr. †Coronosauria Sereno 1986
hide
Superfm. †Ceratopsoidea Hay 1902
hide
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
+
G. †Centrosaurus Lambe 1905
G. †Triceratops Marsh 1889
Fm. †Leptoceratopsidae Nopcsa 1923 [leptoceratopsid]
+
G. †Leptoceratops Brown 1914
G. †Montanoceratops Sternberg 1951
Fm. †Protoceratopsidae Granger and Gregory 1923
hide
G. †Bagaceratops Maryanska and Osmólska 1975
G. †Protoceratops Granger and Gregory 1923
G. †Liaoceratops Xu et al. 2002