Dinosauria › Reptilia
Coelurus
Coelurus fragilis Marsh 1879
Late Jurassic (Tithonian) · 154.8–143.1 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview
Coelurus fragilis is a theropod dinosaur known from the Late Jurassic, roughly 154.8–143.1 million years ago. It was a carnivore. It was named by Marsh 1879. 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 Coelurus sits in deep time
Coelurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Coelurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.