Dinosauria›Saurischia
Silhouette of Yunnanosaurus robustus

Yunnanosaurus Yunnanosaurus robustus Young 1951

/juːˌnænoʊˈsɔːrəs/
Early Jurassic (Sinemurian) · 199.5–192.9 Mya

Key Statistics

Diet
herbivore
Locomotion
quadrupedal
inferred from clade

Where It Was Found

Country
China
Region
Yunnan
Formation
Lufeng
Dig sites
4
distinct collections
Recorded finds in China. Present-day positions: the continents have moved since.

Overview

Yunnanosaurus robustus is a sauropodomorph dinosaur known from the Early Jurassic, roughly 199.5–192.9 million years ago. It was a inferred herbivore. Fossils have been recovered from Yunnan, China. It was named by Young 1951. The species is represented by 5 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~18%
confidence from occurrence count
Based on 5 recorded occurrences in the Paleobiology Database.

Geologic Time

Where Yunnanosaurus robustus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Yunnanosaurus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Yunnanosaurus robustus'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
Sinosaurus
Sinosaurus triassicus
View profile →
coexisted–with
Scelidosaurus
Scelidosaurus harrisonii
View profile →
coexisted–with
Megapnosaurus
Megapnosaurus rhodesiensis
View profile →
coexisted–with
Lesothosaurus
Lesothosaurus diagnosticus
View profile →
coexisted–with
Sarcosaurus
Sarcosaurus woodi
View profile →
same–clade
Mussaurus
Mussaurus patagonicus
View profile →
same–clade
Yizhousaurus
Yizhousaurus sunae
View profile →
same–clade
Qianlong
Qianlong shouhu
View profile →