Dinosauria › Ornithischia
Silhouette of Lesothosaurus

Lesothosaurus

Lesothosaurus diagnosticus Galton 1978

Early Jurassic (Sinemurian) · 201.4–192.9 Mya
Key Statistics
Diet
herbivore
Locomotion
Unknown
Overview

Lesothosaurus diagnosticus is a dinosaur known from the Early Jurassic, roughly 201.4–192.9 million years ago. It was a herbivore. It was named by Galton 1978. The species is represented by 6 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~21%
fragmentary record
Confirmed
Inferred
Based on 6 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Lesothosaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Lesothosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

predator–prey
Sinosaurus
Sinosaurus triassicus
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predator–prey
Megapnosaurus
Megapnosaurus rhodesiensis
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predator–prey
Sarcosaurus
Sarcosaurus woodi
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coexisted–with
Lufengosaurus
Lufengosaurus huenei
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coexisted–with
Yunnanosaurus
Yunnanosaurus huangi
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coexisted–with
Yunnanosaurus
Yunnanosaurus robustus
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same–clade
Pegomastax
Pegomastax africanus
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same–clade
Heterodontosaurus
Heterodontosaurus tucki
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