Dinosauria›Ornithischia
Bactrosaurus Bactrosaurus johnsoni Gilmore 1933
/ˌbæktrəˈsɔːrəs/
Late Cretaceous (Campanian) · 83.6–72.2 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Country
China
Regions
Nei Mongol · Shanxi
Formations
Iren Dabasu · Zouyun
Dig sites
3
distinct collections
Overview
Bactrosaurus johnsoni is an ornithopod dinosaur known from the Late Cretaceous, roughly 83.6–72.2 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Nei Mongol, China. It was named by Gilmore 1933. 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 Bactrosaurus johnsoni sits in deep time
Bactrosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Bactrosaurus johnsoni'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.