Dinosauria › Ornithischia › Ceratopsia › Ceratopsidae
Silhouette of Triceratops

Triceratops

Triceratops prorsus (Marsh 1890)

Late Cretaceous (Maastrichtian) · 72.2–66 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview

Triceratops prorsus is a ceratopsian dinosaur known from the Late Cretaceous, roughly 72.2–66.0 million years ago. It was a herbivore. It was named by (Marsh 1890). The species is represented by 17 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~49%
confidence from occurrence count
Confirmed
Inferred
Based on 17 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Triceratops sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Triceratops
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

predator–prey
Saurornitholestes
Saurornitholestes langstoni
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predator–prey
Tyrannosaurus
Tyrannosaurus rex
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predator–prey
Richardoestesia
Richardoestesia isosceles
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coexisted–with
Richardoestesia
Richardoestesia gilmorei
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coexisted–with
Troodon
Troodon formosus
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same–clade
Leptoceratops
Leptoceratops gracilis
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same–clade
Ferrisaurus
Ferrisaurus sustutensis
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same–clade
Pachyrhinosaurus
Pachyrhinosaurus perotorum
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