Dinosauria › Ornithischia › Stegosauria › Stegosauridae
Hesperosaurus
Hesperosaurus mjosi (Carpenter et al. 2001)
Late Jurassic · 157.9–143.1 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview
Hesperosaurus mjosi is a stegosaur dinosaur known from the Late Jurassic, roughly 157.9–143.1 million years ago. It was a herbivore. It was named by (Carpenter et al. 2001). The species is represented by 6 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~21%
fragmentary record
Confirmed
Inferred
Based on 6 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Hesperosaurus sits in deep time
Hesperosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Hesperosaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.