Describer

Marsh, 1890

Time

Cretaceous Late Maastrichtian

Classification

Ornithischia Genasauria Cerapoda Marginocephalia Ceratopia Neoceratopia Nomina Dubia

Diet

Herbivore

Fossilsite

Lance Formation, Niobrara County, Wyoming, US

Info

Skull

Holotype

USNM 4276 consists of a partial fragmentary skull, humerus, and vertebrae.

Named and described by O.C. Marsh in 1890 in the American Journal of Science, volume 39, page 422