Dinosauria › Reptilia
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Appalachiosaurus

Appalachiosaurus montgomeriensis Carr et al. 2005

Late Cretaceous (Maastrichtian) · 85.7–66 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview

Appalachiosaurus montgomeriensis is a theropod dinosaur known from the Late Cretaceous, roughly 85.7–66.0 million years ago. It was a carnivore. It was named by Carr et al. 2005. 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 Appalachiosaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Appalachiosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

predator–prey
Triceratops
Triceratops horridus
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predator–prey
Alamosaurus
Alamosaurus sanjuanensis
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predator–prey
Edmontosaurus
Edmontosaurus annectens
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coexisted–with
Thescelosaurus
Thescelosaurus neglectus
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coexisted–with
Pachycephalosaurus
Pachycephalosaurus wyomingensis
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same–clade
Dryptosaurus
Dryptosaurus aquilunguis
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same–clade
Tyrannosaurus
Tyrannosaurus rex
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same–clade
Tyrannosaurus
Tyrannosaurus mcraeensis
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