Centrosaurinae

The Centrosaurinae is a subfamily of ceratopsid dinosaurs named by paleontologist Lawrence Lambe, in 1915, with Centrosaurus as the type genus. The centrosaurines are further divided into two tribes, the centrosaurins and the pachyrhinosaurins.

Phylogeny
Ceratopsidae |--Ceratopsinae `--Centrosaurinae |--Albertaceratops `--+--+--Centrosaurus | `--Styracosaurus `--Pachyrhinosaurini |--Einiosaurus `--+--Achelousaurus `--Pachyrhinosaurus