Dinosauria›Ornithischia
Stegoceras Stegoceras validum (Lambe 1902)
/stˈɛɡoʊsɹəz/
estimated
Late Cretaceous (Campanian) · 83.6–72.2 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Countries
Canada, United States
Regions
Alberta · Montana · New Mexico
Formations
Judith River · Dinosaur Park · Fruitland · Oldman
Dig sites
24
distinct collections
Overview
Stegoceras validum is a pachycephalosaur dinosaur known from the Late Cretaceous, roughly 83.6–72.2 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Alberta, Canada and elsewhere. It was named by (Lambe 1902). The species is represented by 32 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~72%
well attested
Based on 32 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Stegoceras validum sits in deep time
Stegoceras
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Stegoceras validum's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology. Predator–prey pairs additionally have to have been dug up in the same place.