Dinosauria›Reptilia
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Chuandongocoelurus Chuandongocoelurus primitivus He 1984

/tʃwɑːnˌdɒŋəsɪˈljʊərəs/
Middle Jurassic (Oxfordian) · 170.9–154.8 Mya

Key Statistics

Diet
carnivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
solitary

Where It Was Found

Country
China
Region
Sichuan
Formation
Shaximiao
Dig sites
1
distinct collections
Recorded finds in China. Present-day positions: the continents have moved since.

Overview

Chuandongocoelurus primitivus is a theropod dinosaur known from the Middle Jurassic, roughly 170.9–154.8 million years ago. It was a carnivore. It is recorded as ground-dwelling and solitary. Fossils have been recovered from Sichuan, China. It was named by He 1984. 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 Chuandongocoelurus primitivus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Chuandongocoelurus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Chuandongocoelurus primitivus'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.

predator–prey
Shunosaurus
Shunosaurus lii
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predator–prey
Protognathosaurus
Protognathosaurus oxyodon
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predator–prey
Abrosaurus
Abrosaurus dongpoensis
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coexisted–with
Gongbusaurus
Gongbusaurus wucaiwanensis
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coexisted–with
Omeisaurus
Omeisaurus tianfuensis
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same–clade
Yangchuanosaurus
Yangchuanosaurus zigongensis
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same–clade
Gasosaurus
Gasosaurus constructus
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same–clade
Aorun
Aorun zhaoi
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