Dinosauria › Reptilia › Theropoda › Megalosauridae
Silhouette of Megalosaurus

Megalosaurus

Megalosaurus bucklandii Mantell 1827

Late Jurassic (Aptian) · 170.9–119.6 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview

Megalosaurus bucklandii is a theropod dinosaur known from the Late Jurassic, roughly 170.9–119.6 million years ago. It was a carnivore. It was named by Mantell 1827. The species is represented by 10 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~33%
confidence from occurrence count
Confirmed
Inferred
Based on 10 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Megalosaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Megalosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

predator–prey
Iguanodon
Iguanodon bernissartensis
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predator–prey
Mantellisaurus
Mantellisaurus atherfieldensis
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predator–prey
Malawisaurus
Malawisaurus dixeyi
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coexisted–with
Psittacosaurus
Psittacosaurus lujiatunensis
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coexisted–with
Ornithopsis
Ornithopsis hulkei
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same–clade
Allosaurus
Allosaurus lucasi
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same–clade
Juratyrant
Juratyrant langhami
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same–clade
Alcmonavis
Alcmonavis poeschli
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