Dinosauria›Reptilia›Theropoda›Carcharodontosauridae
Silhouette of Acrocanthosaurus atokensis

Acrocanthosaurus Acrocanthosaurus atokensis Stovall and Langston 1950

/ˌækroʊˌkænθəˈsɔːrəs/
Early Cretaceous (Cenomanian) · 121.4–93.9 Mya

Key Statistics

Diet
carnivore
Locomotion
bipedal
inferred from clade

Overview

Acrocanthosaurus atokensis is a theropod dinosaur known from the Early Cretaceous, roughly 121.4–93.9 million years ago. It was a carnivore. It was named by Stovall and Langston 1950. The species is represented by 9 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~30%
confidence from occurrence count
Confirmed
Inferred
Based on 9 recorded occurrences in the Paleobiology Database.

Geologic Time

Where Acrocanthosaurus atokensis sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Acrocanthosaurus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

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

predator–prey
Tenontosaurus
Tenontosaurus tilletti
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predator–prey
Sauropelta
Sauropelta edwardsorum
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predator–prey
Eolambia
Eolambia caroljonesa
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coexisted–with
Asiaceratops
Asiaceratops salsopaludalis
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coexisted–with
Sauroposeidon
Sauroposeidon proteles
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same–clade
Microvenator
Microvenator celer
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same–clade
Deinonychus
Deinonychus antirrhopus
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same–clade
Australovenator
Australovenator wintonensis
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