Dinosauria›Ornithischia›Ankylosauria›Nodosauridae
Silhouette of Polacanthus foxii

Polacanthus Polacanthus foxii Grabau 1921

/pˈɑːlɐkˌænθəs/ estimated
Early Cretaceous (Albian) · 139.1–100.5 Mya

Key Statistics

Diet
herbivore
Locomotion
quadrupedal
inferred from clade

Overview

Polacanthus foxii is an ankylosaur dinosaur known from the Early Cretaceous, roughly 139.1–100.5 million years ago. It was a herbivore. It was named by Grabau 1921. The species is represented by 5 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~18%
fragmentary record
Confirmed
Inferred
Based on 5 recorded occurrences in the Paleobiology Database.

Geologic Time

Where Polacanthus foxii sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Polacanthus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

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

predator–prey
Erectopus
Erectopus superbus
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predator–prey
Subtiliolithus
Subtiliolithus hyogoensis
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predator–prey
Suchomimus
Suchomimus tenerensis
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coexisted–with
Psittacosaurus
Psittacosaurus mongoliensis
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coexisted–with
Atlascopcosaurus
Atlascopcosaurus loadsi
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coexisted–with
Ouranosaurus
Ouranosaurus nigeriensis
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coexisted–with
Leaellynasaura
Leaellynasaura amicagraphica
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same–clade
Taohelong
Taohelong jinchengensis
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