Describer

Marsh, 1889

Time

Cretaceous Late Maastrichtian

Classification

Ornithischia Genasauria Cerapoda Marginocephalia Ceratopia Neoceratopia Nomina Dubia

Diet

Herbivore

Fossilsite

Denver Formation, near Brighton, Colorado, US

Info

Skull

Holotype

USNM 2410 [nomen dubium], collected by W. Cross the specimen is a fragmentary skull, mostly frill and horn-core material.

Named by O.C. Marsh in the American Journal of Science, volume 38, page 174 in 1889.