Dinosauria›Ornithischia
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Koshisaurus Koshisaurus katsuyama Shibata and Azuma 2015
/kˌɑːʃɪsˈɔːɹəs/
estimated
Early Cretaceous (Aptian) · 121.4–113.2 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Country
Japan
Region
Fukui
Formation
Kitadani
Dig sites
1
distinct collections
Overview
Koshisaurus katsuyama is an ornithopod dinosaur known from the Early Cretaceous, roughly 121.4–113.2 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Fukui, Japan. It was named by Shibata and Azuma 2015. 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 Koshisaurus katsuyama sits in deep time
Koshisaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Koshisaurus katsuyama'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.