Edmontonia Edmontonia longiceps (Sternberg 1928)
/ˌɛdmɔntˈoʊniə/
estimated
Late Cretaceous (Maastrichtian) · 83.6–66 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Countries
Canada, United States
Regions
Alberta · Montana
Formations
Judith River · St. Mary River · Horseshoe Canyon
Dig sites
3
distinct collections
Overview
Edmontonia longiceps is an ankylosaur 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 and elsewhere. It was named by (Sternberg 1928). The species is represented by 4 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~15%
confidence from occurrence count
Based on 4 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Edmontonia longiceps sits in deep time
Edmontonia
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Edmontonia longiceps'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.