Ceratopidae

Phylogenic Definition:    (Ceratops + Centrosaurus) Other Definitions:    N/A

Ceratopidae is the frilled group of dinosaurs that contains the infamous Triceratops, & the almost-as-infamous Styracosaurus! This group was once known as Ceratopsidae

Ceratopidae incertae sedis: Agauthamas sylvestris Claorhynchus trihedrus Dysganus bicarinatus Dysganus encaustatus Dysganus haydenianus Dysganus peiganus Centrosaurinae incertae sedis: ?Avaceratops lammersi Monoclonius crassus Ceratopinae incertae sedis: ?Ceratops montanus Polyonax mortuarius

Cladogram

Ceratopidae |--Centrosaurinae |   |--Centrosaurini |   |   |--+--Centrosaurus apertus |   |   |   `--Centrosaurus brinkmani |   |   `--+--Styracosaurus albertensis |   |       `--Styracosaurus ovatus |   `--Pachyrhinosaurini |       |--?Brachyceratops montanensis |       `--+--Einiosaurus procurvicornis |           `--+--Achelousaurus horneri |               `--Pachyrhinosaurus canadensis `--Ceratopinae     |--Chasmosaurini     |   |--+--Chasmosaurus belli     |   |   |--Chasmosaurus irvinensis     |   |   |--Chasmosaurus mariscalensis     |   |   `--Chasmosaurus russelli     |   `--Pentaceratops sternbergi     `--Triceratopini         |--?Anchiceratops ornatus         `--+--Arrhinoceratops brachyops             `--+--+--Torosaurus latus                 |    `--Torosaurus utahensis                 `--+--Diceratops hatcheri                     `--+--Triceratops horridus                         `--Triceratops prorsus