Dinosauria › Ornithischia › Ankylosauria › Ankylosauridae
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Pinacosaurus

Pinacosaurus grangeri Gilmore 1933

Late Cretaceous (Campanian) · 89.8–72.2 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview

Pinacosaurus grangeri is an ankylosaur dinosaur known from the Late Cretaceous, roughly 89.8–72.2 million years ago. It was a herbivore. It was named by Gilmore 1933. The species is represented by 16 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~47%
confidence from occurrence count
Confirmed
Inferred
Based on 16 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Pinacosaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Pinacosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

predator–prey
Ichthyornis
Ichthyornis dispar
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predator–prey
Hesperornis
Hesperornis regalis
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predator–prey
Gorgosaurus
Gorgosaurus libratus
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coexisted–with
Centrosaurus
Centrosaurus apertus
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coexisted–with
Stegoceras
Stegoceras validum
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coexisted–with
Protoceratops
Protoceratops andrewsi
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same–clade
Antarctopelta
Antarctopelta oliveroi
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same–clade
Struthiosaurus
Struthiosaurus languedocensis
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