Edmontosaurus Edmontosaurus regalis Lambe 1917
/ɛdˌmɒntəˈsɔːrəs/
Late Cretaceous (Maastrichtian) · 83.6–66 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Country
Canada
Region
Alberta
Formations
Horseshoe Canyon · St. Mary River
Dig sites
9
distinct collections
Overview
Edmontosaurus regalis is an ornithopod dinosaur known from the Late Cretaceous, roughly 83.6–66.0 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Alberta, Canada. It was named by Lambe 1917. The species is represented by 10 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~33%
well attested
Based on 10 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Edmontosaurus regalis sits in deep time
Edmontosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Edmontosaurus regalis'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.