Dinosauria›Reptilia›Hesperornithiformes
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Chupkaornis Chupkaornis keraorum Tanaka et al. 2018
/tʃˌʌpkeɪˈɔːɹniz/
estimated
Late Cretaceous (Santonian) · 89.8–83.6 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
solitary
Environment
marine
Where It Was Found
Country
Japan
Region
Hokkaido
Formation
Kashima
Dig sites
1
distinct collections
Overview
Chupkaornis keraorum is a theropod dinosaur known from the Late Cretaceous, roughly 89.8–83.6 million years ago. It was a carnivore. It is recorded as ground-dwelling and solitary. Its remains come from marine deposits. Fossils have been recovered from Hokkaido, Japan. It was named by Tanaka et al. 2018. 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 Chupkaornis keraorum sits in deep time
Chupkaornis
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Chupkaornis keraorum'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.