Reptilia Laurenti, 1768
Bagaceratops Maryanska & Osmolska, 1975
Graciliceratops Sereno, 2000
Kulceratops Nesov, 1995
Leptoceratops Brown, 1914
Microceratops Bohlin, 1953
Microceratus
Montanoceratops Sternberg, 1951
Notoceratops Tapia, 1918
Protoceratops Granger & Gregory, 1923
Serendipaceratops Rich & Vickers-Rich, 2003
Yamaceratops
