Species
Extinct

Styracosaurus makeli

replaced by Einiosaurus procurvicornis
Czerkas and Czerkas 1990
This taxon is considered replaced by of the valid taxon Einiosaurus procurvicornis according to the Paleobiology Database. See the page for Einiosaurus procurvicornis →
Bibliography
Original description
M. J. Ryan, R. Holmes, and A. P. Russell. 2007. A revision of the late Campanian centrosaurine ceratopsid genus Styracosaurus from the Western Interior of North America. Journal of Vertebrate Paleontology 27(4):944-962 DOI ↗