Dinosauria › Ornithischia › Stegosauria › Stegosauridae
Silhouette of Thyreosaurus

Thyreosaurus

Thyreosaurus atlasicus Zafaty et al. 2024

Middle Jurassic (Callovian) · 168.2–161.5 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview

Thyreosaurus atlasicus is a stegosaur dinosaur known from the Middle Jurassic, roughly 168.2–161.5 million years ago. It was a herbivore. It was named by Zafaty et al. 2024. 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 Thyreosaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Thyreosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

predator–prey
Yangchuanosaurus
Yangchuanosaurus shangyouensis
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predator–prey
Leshansaurus
Leshansaurus qianweiensis
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predator–prey
Sinraptor
Sinraptor hepingensis
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coexisted–with
Ferganocephale
Ferganocephale adenticulatum
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coexisted–with
Sarcolestes
Sarcolestes leedsi
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same–clade
Adratiklit
Adratiklit boulahfa
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same–clade
Yingshanosaurus
Yingshanosaurus jichuanensis
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same–clade
Tuojiangosaurus
Tuojiangosaurus multispinus
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