Dinosauria›Reptilia›Theropoda›Metriacanthosauridae
Silhouette of Yangchuanosaurus zigongensis

Yangchuanosaurus Yangchuanosaurus zigongensis (Gao 1993)

/jˈɑːŋtʃjuːˌænəsˈɔːɹəs/ estimated
Middle Jurassic (Oxfordian) · 170.9–154.8 Mya

Key Statistics

Diet
carnivore
Locomotion
bipedal
inferred from clade

Overview

Yangchuanosaurus zigongensis is a theropod dinosaur known from the Middle Jurassic, roughly 170.9–154.8 million years ago. It was a carnivore. It was named by (Gao 1993). 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%
fragmentary record
Confirmed
Inferred
Based on 1 recorded occurrences in the Paleobiology Database.

Geologic Time

Where Yangchuanosaurus zigongensis sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Yangchuanosaurus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Yangchuanosaurus zigongensis's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.

predator–prey
Shunosaurus
Shunosaurus lii
View profile →
predator–prey
Gongbusaurus
Gongbusaurus wucaiwanensis
View profile →
predator–prey
Protognathosaurus
Protognathosaurus oxyodon
View profile →
coexisted–with
Abrosaurus
Abrosaurus dongpoensis
View profile →
coexisted–with
Omeisaurus
Omeisaurus tianfuensis
View profile →
same–clade
Chuandongocoelurus
Chuandongocoelurus primitivus
View profile →
same–clade
Gasosaurus
Gasosaurus constructus
View profile →
same–clade
Aorun
Aorun zhaoi
View profile →