Dinosauria›Ornithischia
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Claosaurus Claosaurus agilis (Marsh 1872)
/ˌkleɪəˈsɔːrəs/
Late Cretaceous (Santonian) · 89.8–83.6 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Country
United States
Region
Kansas
Formation
Niobrara
Dig sites
1
distinct collections
Overview
Claosaurus agilis is an ornithopod dinosaur known from the Late Cretaceous, roughly 89.8–83.6 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Kansas, United States. It was named by (Marsh 1872). The species is represented by 1 recorded occurrence in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~5%
confidence from occurrence count
Based on 1 recorded occurrence in the Paleobiology Database.
Geologic Time
Where Claosaurus agilis sits in deep time
Claosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Claosaurus agilis'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.