Dinosauria›Reptilia
Silhouette of Allosaurus anax

Allosaurus Allosaurus anax Danison et al. 2024

/ˌæləˈsɔːrəs/
Late Jurassic (Tithonian) · 152.2–143.1 Mya

Key Statistics

Diet
carnivore
Locomotion
bipedal
inferred from clade

Overview

Allosaurus anax is a theropod dinosaur known from the Late Jurassic, roughly 152.2–143.1 million years ago. It was a carnivore. It was named by Danison 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 Allosaurus anax sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Allosaurus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

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

predator–prey
Giraffatitan
Giraffatitan brancai
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predator–prey
Kentrosaurus
Kentrosaurus aethiopicus
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predator–prey
Brontosaurus
Brontosaurus excelsus
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coexisted–with
Camarasaurus
Camarasaurus grandis
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coexisted–with
Dacentrurus
Dacentrurus armatus
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same–clade
Saurophaganax
Saurophaganax maximus
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same–clade
Lusovenator
Lusovenator santosi
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same–clade
Alcmonavis
Alcmonavis poeschli
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