Ankylosaurus Ankylosaurus magniventris Brown 1908
/ˌæŋkɪləsˈɔːɹəs/
estimated
Late Cretaceous (Maastrichtian) · 72.2–66 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Countries
United States, Canada
Regions
Wyoming · Montana · Alberta · Saskatchewan
Formations
Ferris · Hell Creek · Lance · Scollard
Dig sites
15
distinct collections
Overview
Ankylosaurus magniventris is an ankylosaur dinosaur known from the Late Cretaceous, roughly 72.2–66.0 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Wyoming, United States and elsewhere. It was named by Brown 1908. The species is represented by 15 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~45%
well attested
Based on 15 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Ankylosaurus magniventris sits in deep time
Ankylosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Ankylosaurus magniventris'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.