Dinosauria › Ornithischia › Ceratopsia › Chaoyangsauridae
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Chaoyangsaurus

Chaoyangsaurus youngi Zhao et al. 1999

Early Cretaceous (Valanginian) · 152.2–132.6 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview

Chaoyangsaurus youngi is a ceratopsian dinosaur known from the Early Cretaceous, roughly 152.2–132.6 million years ago. It was a herbivore. It was named by Zhao et al. 1999. 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 Chaoyangsaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Chaoyangsaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

predator–prey
Nedcolbertia
Nedcolbertia justinhoffmanni
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predator–prey
Utahraptor
Utahraptor ostrommaysi
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predator–prey
Falcarius
Falcarius utahensis
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coexisted–with
Hypselospinus
Hypselospinus fittoni
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coexisted–with
Euhelopus
Euhelopus zdanskyi
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coexisted–with
Moabosaurus
Moabosaurus utahensis
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same–clade
Xuanhuaceratops
Xuanhuaceratops niei
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same–clade
Stenopelix
Stenopelix valdensis
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