Describer

Marsh, 1898

Time

Cretaceous Late Maastrichtian

Classification

Ornithischia Genasauria Cerapoda Marginocephalia Ceratopia Neoceratopia Ceratopidae Chasmosaurinae

Diet

Herbivore

Fossilsite

Niobrara County, Lance Formation, Wyoming, US

Fall Under

Triceratops

Info

Skull

Triceratops (Marsh, 1889) = Sterrholophus flabellatus (Marsh, 1891)

Triceratops > Triceratops horridus (Marsh, 1889) = Ceratops horridus (Marsh, 1889) >> Triceratops alticornis (Marsh, 1887) Triceratops flabellatus (Marsh, 1889), Triceratops prorsus (Marsh, 1890), Triceratops serratus (Marsh, 1890), Triceratops elatus (Marsh, 1891) Triceratops calicornis (Marsh, 1898), Triceratops obtusus (Marsh, 1898), Triceratops hatcheri (Lull, 1905), Triceratops brevicornus (Hatcher, 1905), Triceratops eurycephalus (Schlaikjer, 1935), Triceratops albertensis (Sternberg, 1949)
USNM 4928, collected by J.B. Hatcher on December 11 1891,named by Marsh in the American Journal of Science, volume 6, page 92, in 1898, he type material consists of a partial skull and skeleton.