Dinosauria›Ornithischia›Thescelosauridae
Thescelosaurus Thescelosaurus neglectus Gilmore 1913
/ˌθɛsɪləˈsɔːrəs/
Late Cretaceous (Maastrichtian) · 83.6–66 Mya
Key Statistics
Diet
herbivore
Locomotion
Unknown
Habitat
ground-dwelling
Social
herding
Where It Was Found
Countries
United States, Canada
Regions
Alberta · North Dakota · South Dakota · Montana
Formations
Hell Creek · Oldman · Dinosaur Park · Lance
Dig sites
28
distinct collections
Overview
Thescelosaurus neglectus is a 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, United States and elsewhere. It was named by Gilmore 1913. The species is represented by 28 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~67%
well attested
Based on 28 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Thescelosaurus neglectus sits in deep time
Thescelosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Thescelosaurus neglectus'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.