Dinosauria › Ornithischia › Stegosauria › Stegosauridae
Miragaia
Miragaia longispinus (Gilmore 1914)
Late Jurassic (Tithonian) · 154.8–143.1 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview
Miragaia longispinus 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 (Gilmore 1914). The species is represented by 2 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~8%
fragmentary record
Confirmed
Inferred
Based on 2 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Miragaia sits in deep time
Miragaia
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Miragaia's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.