Dinosauria › Reptilia
Silhouette of Yuanyanglong

Yuanyanglong

Yuanyanglong bainian Hao et al. 2025

Early Cretaceous (Albian) · 121.4–100.5 Mya
Key Statistics
Diet
omnivore
Locomotion
bipedal
inferred from clade
Overview

Yuanyanglong bainian is a theropod dinosaur known from the Early Cretaceous, roughly 121.4–100.5 million years ago. It was an omnivore. It was named by Hao et al. 2025. 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 Yuanyanglong sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Yuanyanglong
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

coexisted–with
Psittacosaurus
Psittacosaurus mongoliensis
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coexisted–with
Atlascopcosaurus
Atlascopcosaurus loadsi
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coexisted–with
Ouranosaurus
Ouranosaurus nigeriensis
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coexisted–with
Polacanthus
Polacanthus foxii
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coexisted–with
Leaellynasaura
Leaellynasaura amicagraphica
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same–clade
Luoyanggia
Luoyanggia liudianensis
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same–clade
Suchomimus
Suchomimus tenerensis
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same–clade
Eocarcharia
Eocarcharia dinops
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