Dinosauria › Ornithischia › Stegosauria › Stegosauridae
Stegosaurus
Stegosaurus duplex Marsh 1887
Late Jurassic (Tithonian) · 154.8–143.1 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview
Stegosaurus duplex is a stegosaur dinosaur known from the Late Jurassic, roughly 154.8–143.1 million years ago. It was a herbivore. It was named by Marsh 1887. The species is represented by 1 recorded occurrence in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~5%
fragmentary record
Confirmed
Inferred
Based on 1 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Stegosaurus sits in deep time
Stegosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Stegosaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.