Describer

Hatcher, 1905

Time

Cretaceous Late Maastrichtian

Classification

Ornithischia Genasauria Cerapoda Marginocephalia Ceratopia Neoceratopia Ceratopidae Chasmosaurinae

Diet

Herbivore

Fossilsite

Lance Formation, Eastern 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)

A nearly complete skull distinguished by its relatively short postorbital horn cores. It is now considered a junior synonym of Triceratops horridus (Ostrom & Wellnhofer, 1990). The type specimen is BSP 1964 I 458 at the Bayerische Straatssummlung fur Palaontologie und historische Geologie in Munich (formerly YPM 1834 at the Yale Peabody Museum).