Stegoceras

Field photograph to come

DV-0068Judith River Fm., Alberta

Stegoceras

DV-0068 · type species Stegoceras validum

Lived
84 to 72 million years ago, Late Cretaceous
Diet
Herbivore
Length
about 2.4 m (8 ft)
Group
Pachycephalosaurs
Found in
United States and Canada
Named by
Lambe 1902

Field notes

About Stegoceras

Stegoceras was a plant-eating pachycephalosaur that lived in the Late Cretaceous, 84 to 72 million years ago.

The Paleobiology Database lists 43 finds of Stegoceras, from Alberta, Montana and New Mexico. Its fossils come from rocks including the Judith River Formation, the Dinosaur Park Formation and the Fruitland Formation. It was named by Lambe in 1902.

The evidence

Where its fossils were found

Today

43 finds

80 million years ago

Map: C. R. Scotese, PALEOMAP

To scale

How big was Stegoceras?

0 m0.5 m1 m1.5 m2 m2.5 m3 m
Stegoceras: about 2.4 m (8 ft) · Person: 1.8 m (6 ft)Silhouette: typical pachycephalosaur shape

Lived alongside

Found in the same rock formations.

Close relatives

Other members of Eupachycephalosauria.

Sources: Paleobiology Database, WikidataNamed in: L. M. Lambe. 1902. New genera and species from the Belly River Series (mid-Cretaceous). Geological Survey of Canada Contributions to Canadian Palaeontology 3(2):25-81