Dinosauria›Ornithischia›Ceratopsia›Ceratopsidae
Silhouette of Triceratops prorsus

Triceratops Triceratops prorsus (Marsh 1890)

/traɪˈsɛrətɒps/
Late Cretaceous (Maastrichtian) · 72.2–66 Mya

Key Statistics

Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Habitat
ground-dwelling

Where It Was Found

Countries
United States, Canada
Regions
Saskatchewan · Wyoming · Montana · North Dakota
Formations
Frenchman · Lance · Hell Creek
Dig sites
17
distinct collections
Recorded finds in United States, Canada. Present-day positions: the continents have moved since.

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 is recorded as ground-dwelling. Fossils have been recovered from Saskatchewan, United States and elsewhere. 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%
well attested
Based on 17 recorded occurrences in the Paleobiology Database.

Geologic Time

Where Triceratops prorsus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Triceratops
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Triceratops prorsus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology. Predator–prey pairs additionally have to have been dug up in the same place.

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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