Triceratops Triceratops horridus (Marsh 1889)
/traɪˈsɛrətɒps/
Late Cretaceous (Maastrichtian) · 83.6–66 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview
Triceratops horridus is a ceratopsian dinosaur known from the Late Cretaceous, roughly 83.6–66.0 million years ago. It was a herbivore. It was named by (Marsh 1889). The species is represented by 41 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~81%
confidence from occurrence count
Confirmed
Inferred
Based on 41 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Triceratops horridus sits in deep time
Triceratops
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Triceratops horridus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.